6268 lines
226 KiB
C++
6268 lines
226 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2011 Daniel Marjamäki and Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "tokenize.h"
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#include "checkclass.h"
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#include "testsuite.h"
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#include <sstream>
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extern std::ostringstream errout;
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class TestClass : public TestFixture
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{
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public:
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TestClass() : TestFixture("TestClass")
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{ }
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private:
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void run()
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{
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TEST_CASE(virtualDestructor1); // Base class not found => no error
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TEST_CASE(virtualDestructor2); // Base class doesn't have a destructor
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TEST_CASE(virtualDestructor3); // Base class has a destructor, but it's not virtual
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TEST_CASE(virtualDestructor4); // Derived class doesn't have a destructor => no error
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TEST_CASE(virtualDestructor5); // Derived class has empty destructor => no error
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TEST_CASE(virtualDestructor6); // only report error if base class pointer that points at derived class is deleted
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TEST_CASE(virtualDestructorProtected);
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TEST_CASE(virtualDestructorInherited);
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TEST_CASE(virtualDestructorTemplate);
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TEST_CASE(uninitVar1);
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TEST_CASE(uninitVar2);
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TEST_CASE(uninitVar3);
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TEST_CASE(uninitVar4);
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TEST_CASE(uninitVar5);
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TEST_CASE(uninitVar6);
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TEST_CASE(uninitVar7);
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TEST_CASE(uninitVar8);
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TEST_CASE(uninitVar9); // ticket #1730
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TEST_CASE(uninitVar10); // ticket #1993
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TEST_CASE(uninitVar11);
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TEST_CASE(uninitVar12); // ticket #2078
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TEST_CASE(uninitVar13); // ticket #1195
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TEST_CASE(uninitVar14); // ticket #2149
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TEST_CASE(uninitVar15);
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TEST_CASE(uninitVar16);
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TEST_CASE(uninitVar17);
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TEST_CASE(uninitVar18); // ticket #2465
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TEST_CASE(uninitVar19); // ticket #2792
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TEST_CASE(uninitVar20); // ticket #2867
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TEST_CASE(uninitVar21); // ticket #2947
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TEST_CASE(uninitVarEnum);
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TEST_CASE(uninitVarStream);
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TEST_CASE(uninitVarTypedef);
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TEST_CASE(uninitVarMemset);
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TEST_CASE(uninitVarArray1);
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TEST_CASE(uninitVarArray2);
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TEST_CASE(uninitVarArray3);
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TEST_CASE(uninitVarArray4);
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TEST_CASE(uninitVarArray5);
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TEST_CASE(uninitVarArray6);
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TEST_CASE(uninitVarArray2D);
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TEST_CASE(uninitVarStruct1); // ticket #2172
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TEST_CASE(uninitVarStruct2); // ticket #838
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TEST_CASE(uninitMissingFuncDef); // can't expand function in constructor
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TEST_CASE(privateCtor1); // If constructor is private..
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TEST_CASE(privateCtor2); // If constructor is private..
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TEST_CASE(function); // Function is not variable
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TEST_CASE(uninitVarHeader1); // Class is defined in header
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TEST_CASE(uninitVarHeader2); // Class is defined in header
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TEST_CASE(uninitVarHeader3); // Class is defined in header
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TEST_CASE(uninitVarPublished); // Borland C++: Variables in the published section are auto-initialized
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TEST_CASE(uninitOperator); // No FP about uninitialized 'operator[]'
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TEST_CASE(uninitFunction1); // No FP when initialized in function
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TEST_CASE(uninitFunction2); // No FP when initialized in function
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TEST_CASE(uninitFunction3); // No FP when initialized in function
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TEST_CASE(uninitFunction4);
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TEST_CASE(uninitSameClassName); // No FP when two classes have the same name
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TEST_CASE(uninitFunctionOverload); // No FP when there are overloaded functions
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TEST_CASE(uninitJava); // Java: no FP when variable is initialized in declaration
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TEST_CASE(uninitVarOperatorEqual); // ticket #2415
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TEST_CASE(noConstructor1);
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TEST_CASE(noConstructor2);
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TEST_CASE(noConstructor3);
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TEST_CASE(noConstructor4);
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TEST_CASE(noConstructor5);
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TEST_CASE(operatorEq1);
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TEST_CASE(operatorEq2);
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TEST_CASE(operatorEqRetRefThis1);
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TEST_CASE(operatorEqRetRefThis2); // ticket #1323
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TEST_CASE(operatorEqRetRefThis3); // ticket #1405
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TEST_CASE(operatorEqRetRefThis4); // ticket #1451
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TEST_CASE(operatorEqRetRefThis5); // ticket #1550
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TEST_CASE(operatorEqRetRefThis6); // ticket #2479
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TEST_CASE(operatorEqToSelf1); // single class
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TEST_CASE(operatorEqToSelf2); // nested class
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TEST_CASE(operatorEqToSelf3); // multiple inheritance
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TEST_CASE(operatorEqToSelf4); // nested class with multiple inheritance
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TEST_CASE(operatorEqToSelf5); // ticket # 1233
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TEST_CASE(operatorEqToSelf6); // ticket # 1550
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TEST_CASE(operatorEqToSelf7);
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TEST_CASE(operatorEqToSelf8); // ticket #2179
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TEST_CASE(operatorEqToSelf9); // ticket #2592
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TEST_CASE(memsetOnStruct);
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TEST_CASE(memsetVector);
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TEST_CASE(memsetOnClass);
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TEST_CASE(this_subtraction); // warn about "this-x"
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// can member function be made const
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TEST_CASE(const1);
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TEST_CASE(const2);
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TEST_CASE(const3);
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TEST_CASE(const4);
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TEST_CASE(const5); // ticket #1482
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TEST_CASE(const6); // ticket #1491
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TEST_CASE(const7);
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TEST_CASE(const8); // ticket #1517
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TEST_CASE(const9); // ticket #1515
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TEST_CASE(const10); // ticket #1522
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TEST_CASE(const11); // ticket #1529
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TEST_CASE(const12); // ticket #1552
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TEST_CASE(const13); // ticket #1519
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TEST_CASE(const14);
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TEST_CASE(const15);
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TEST_CASE(const16); // ticket #1551
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TEST_CASE(const17); // ticket #1552
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TEST_CASE(const18); // ticket #1563
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TEST_CASE(const19); // ticket #1612
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TEST_CASE(const20); // ticket #1602
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TEST_CASE(const21); // ticket #1683
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TEST_CASE(const22);
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TEST_CASE(const23); // ticket #1699
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TEST_CASE(const24); // ticket #1708
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TEST_CASE(const25); // ticket #1724
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TEST_CASE(const26); // ticket #1847
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TEST_CASE(const27); // ticket #1882
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TEST_CASE(const28); // ticket #1883
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TEST_CASE(const29); // ticket #1922
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TEST_CASE(const30);
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TEST_CASE(const31);
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TEST_CASE(const32); // ticket #1905 - member array is assigned
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TEST_CASE(const33);
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TEST_CASE(const34); // ticket #1964
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TEST_CASE(const35); // ticket #2001
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TEST_CASE(const36); // ticket #2003
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TEST_CASE(const37); // ticket #2081 and #2085
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TEST_CASE(const38); // ticket #2135
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TEST_CASE(const39);
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TEST_CASE(const40); // ticket #2228
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TEST_CASE(const41); // ticket #2255
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TEST_CASE(const42); // ticket #2282
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TEST_CASE(const43); // ticket #2377
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TEST_CASE(const44); // ticket #2595
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TEST_CASE(const45); // ticket #2664
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TEST_CASE(const46); // ticket #2636
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TEST_CASE(const47); // ticket #2670
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TEST_CASE(const48); // ticket #2672
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TEST_CASE(const49); // ticket #2795
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TEST_CASE(const50); // ticket #2943
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TEST_CASE(assigningPointerToPointerIsNotAConstOperation);
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TEST_CASE(assigningArrayElementIsNotAConstOperation);
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TEST_CASE(constoperator1); // operator< can often be const
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TEST_CASE(constoperator2); // operator<<
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TEST_CASE(constoperator3);
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TEST_CASE(constoperator4);
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TEST_CASE(constincdec); // increment/decrement => non-const
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TEST_CASE(constassign1);
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TEST_CASE(constassign2);
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TEST_CASE(constincdecarray); // increment/decrement array element => non-const
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TEST_CASE(constassignarray);
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TEST_CASE(constReturnReference);
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TEST_CASE(constDelete); // delete member variable => not const
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TEST_CASE(constLPVOID); // a function that returns LPVOID can't be const
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TEST_CASE(constFunc); // a function that calls const functions can be const
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TEST_CASE(constVirtualFunc);
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TEST_CASE(constIfCfg); // ticket #1881 - fp when there are #if
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TEST_CASE(constFriend); // ticket #1921 - fp for friend function
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TEST_CASE(constUnion); // ticket #2111 - fp when there are union
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}
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// Check the operator Equal
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void checkOpertorEq(const char code[])
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{
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// Clear the error log
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errout.str("");
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Settings settings;
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settings._checkCodingStyle = true;
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// Tokenize..
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Tokenizer tokenizer(&settings, this);
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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tokenizer.simplifyTokenList();
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// Check..
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CheckClass checkClass(&tokenizer, &settings, this);
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checkClass.operatorEq();
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}
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void operatorEq1()
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{
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checkOpertorEq("class A\n"
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"{\n"
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"public:\n"
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" void goo() {}"
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" void operator=(const A&);\n"
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"};\n");
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ASSERT_EQUALS("[test.cpp:4]: (style) 'A::operator=' should return 'A &'\n", errout.str());
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checkOpertorEq("class A\n"
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"{\n"
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"private:\n"
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" void operator=(const A&);\n"
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"};\n");
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ASSERT_EQUALS("", errout.str());
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checkOpertorEq("class A\n"
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"{\n"
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" void operator=(const A&);\n"
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"};\n");
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ASSERT_EQUALS("", errout.str());
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checkOpertorEq("class A\n"
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"{\n"
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"public:\n"
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" void goo() {}\n"
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"private:\n"
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" void operator=(const A&);\n"
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"};\n");
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ASSERT_EQUALS("", errout.str());
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checkOpertorEq("class A\n"
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"{\n"
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"public:\n"
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" void operator=(const A&);\n"
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"};\n"
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"class B\n"
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"{\n"
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"public:\n"
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" void operator=(const B&);\n"
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"};\n");
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ASSERT_EQUALS("[test.cpp:4]: (style) 'A::operator=' should return 'A &'\n"
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"[test.cpp:9]: (style) 'B::operator=' should return 'B &'\n", errout.str());
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checkOpertorEq("struct A\n"
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"{\n"
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" void operator=(const A&);\n"
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"};\n");
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ASSERT_EQUALS("[test.cpp:3]: (style) 'A::operator=' should return 'A &'\n", errout.str());
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}
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void operatorEq2()
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{
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checkOpertorEq("class A\n"
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"{\n"
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"public:\n"
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" void * operator=(const A&);\n"
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"};\n");
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ASSERT_EQUALS("[test.cpp:4]: (style) 'A::operator=' should return 'A &'\n", errout.str());
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checkOpertorEq("class A\n"
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"{\n"
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"public:\n"
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" A * operator=(const A&);\n"
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"};\n");
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ASSERT_EQUALS("[test.cpp:4]: (style) 'A::operator=' should return 'A &'\n", errout.str());
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checkOpertorEq("class A\n"
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"{\n"
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"public:\n"
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" const A & operator=(const A&);\n"
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"};\n");
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ASSERT_EQUALS("[test.cpp:4]: (style) 'A::operator=' should return 'A &'\n", errout.str());
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checkOpertorEq("class A\n"
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"{\n"
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"public:\n"
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" B & operator=(const A&);\n"
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"};\n");
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ASSERT_EQUALS("[test.cpp:4]: (style) 'A::operator=' should return 'A &'\n", errout.str());
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}
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||
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// Check that operator Equal returns reference to this
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void checkOpertorEqRetRefThis(const char code[])
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{
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// Clear the error log
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errout.str("");
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Settings settings;
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settings._checkCodingStyle = true;
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// Tokenize..
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Tokenizer tokenizer(&settings, this);
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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tokenizer.simplifyTokenList();
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// Check..
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CheckClass checkClass(&tokenizer, &settings, this);
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checkClass.operatorEqRetRefThis();
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}
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void operatorEqRetRefThis1()
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{
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checkOpertorEqRetRefThis(
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"class A\n"
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"{\n"
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"public:\n"
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" A & operator=(const A &a) { return *this; }\n"
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"};\n");
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ASSERT_EQUALS("", errout.str());
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||
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checkOpertorEqRetRefThis(
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"class A\n"
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"{\n"
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"public:\n"
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" A & operator=(const A &a) { return a; }\n"
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"};\n");
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ASSERT_EQUALS("[test.cpp:4]: (style) 'operator=' should return reference to self\n", errout.str());
|
||
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||
checkOpertorEqRetRefThis(
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||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" A & operator=(const A &);\n"
|
||
"};\n"
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"A & A::operator=(const A &a) { return *this; }\n");
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ASSERT_EQUALS("", errout.str());
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||
|
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checkOpertorEqRetRefThis(
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"class A\n"
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"{\n"
|
||
"public:\n"
|
||
" A & operator=(const A &a);\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a) { return *this; }\n");
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ASSERT_EQUALS("", errout.str());
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||
|
||
checkOpertorEqRetRefThis(
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"class A\n"
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||
"{\n"
|
||
"public:\n"
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||
" A & operator=(const A &);\n"
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"};\n"
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"A & A::operator=(const A &a) { return a; }\n");
|
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ASSERT_EQUALS("[test.cpp:6]: (style) 'operator=' should return reference to self\n", errout.str());
|
||
|
||
checkOpertorEqRetRefThis(
|
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"class A\n"
|
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"{\n"
|
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"public:\n"
|
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" A & operator=(const A &a);\n"
|
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"};\n"
|
||
"A & A::operator=(const A &a) { return a; }\n");
|
||
ASSERT_EQUALS("[test.cpp:6]: (style) 'operator=' should return reference to self\n", errout.str());
|
||
|
||
checkOpertorEqRetRefThis(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" class B\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" B & operator=(const B &b) { return *this; }\n"
|
||
" };\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqRetRefThis(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" class B\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" B & operator=(const B &b) { return b; }\n"
|
||
" };\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:7]: (style) 'operator=' should return reference to self\n", errout.str());
|
||
|
||
checkOpertorEqRetRefThis(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" class B\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" B & operator=(const B &);\n"
|
||
" };\n"
|
||
"};\n"
|
||
"A::B & A::B::operator=(const A::B &b) { return *this; }\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqRetRefThis(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" class B\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" B & operator=(const B &);\n"
|
||
" };\n"
|
||
"};\n"
|
||
"A::B & A::B::operator=(const A::B &b) { return b; }\n");
|
||
ASSERT_EQUALS("[test.cpp:10]: (style) 'operator=' should return reference to self\n", errout.str());
|
||
}
|
||
|
||
void operatorEqRetRefThis2()
|
||
{
|
||
// ticket # 1323
|
||
checkOpertorEqRetRefThis(
|
||
"class szp\n"
|
||
"{\n"
|
||
" szp &operator =(int *other) {};\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:3]: (style) 'operator=' should return reference to self\n", errout.str());
|
||
|
||
checkOpertorEqRetRefThis(
|
||
"class szp\n"
|
||
"{\n"
|
||
" szp &operator =(int *other);\n"
|
||
"};\n"
|
||
"szp &szp::operator =(int *other) {}");
|
||
ASSERT_EQUALS("[test.cpp:5]: (style) 'operator=' should return reference to self\n", errout.str());
|
||
}
|
||
|
||
void operatorEqRetRefThis3()
|
||
{
|
||
// ticket # 1405
|
||
checkOpertorEqRetRefThis(
|
||
"class A {\n"
|
||
"public:\n"
|
||
" inline A &operator =(int *other) { return (*this;) };\n"
|
||
" inline A &operator =(long *other) { return (*this = 0;) };\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqRetRefThis(
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A &operator =(int *other);\n"
|
||
" A &operator =(long *other);\n"
|
||
"};\n"
|
||
"A &A::operator =(int *other) { return (*this;) };\n"
|
||
"A &A::operator =(long *other) { return (*this = 0;) };");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqRetRefThis(
|
||
"class A {\n"
|
||
"public:\n"
|
||
" inline A &operator =(int *other) { return (*this;) };\n"
|
||
" inline A &operator =(long *other) { return operator = (*(int *)other); };\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqRetRefThis(
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A &operator =(int *other);\n"
|
||
" A &operator =(long *other);\n"
|
||
"};\n"
|
||
"A &A::operator =(int *other) { return (*this;) };\n"
|
||
"A &A::operator =(long *other) { return operator = (*(int *)other); };");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqRetRefThis(
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A &operator =(int *other);\n"
|
||
" A &operator =(long *other);\n"
|
||
"};\n"
|
||
"A &A::operator =(int *other) { return (*this;) };\n"
|
||
"A &A::operator =(long *other) { return this->operator = (*(int *)other); };");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void operatorEqRetRefThis4()
|
||
{
|
||
// ticket # 1451
|
||
checkOpertorEqRetRefThis(
|
||
"P& P::operator = (const P& pc)\n"
|
||
"{\n"
|
||
" return (P&)(*this += pc);\n"
|
||
"}");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void operatorEqRetRefThis5()
|
||
{
|
||
// ticket # 1550
|
||
checkOpertorEqRetRefThis(
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A & operator=(const A &a) { }\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:3]: (style) 'operator=' should return reference to self\n", errout.str());
|
||
|
||
checkOpertorEqRetRefThis(
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A & operator=(const A &a);\n"
|
||
"};\n"
|
||
"A & A :: operator=(const A &a) { }");
|
||
ASSERT_EQUALS("[test.cpp:5]: (style) 'operator=' should return reference to self\n", errout.str());
|
||
}
|
||
|
||
void operatorEqRetRefThis6() // ticket #2478 (segmentation fault)
|
||
{
|
||
checkOpertorEqRetRefThis(
|
||
"class UString {\n"
|
||
"public:\n"
|
||
" UString& assign( const char* c_str );\n"
|
||
" UString& operator=( const UString& s );\n"
|
||
"};\n"
|
||
"UString& UString::assign( const char* c_str ) {\n"
|
||
" std::string tmp( c_str );\n"
|
||
" return assign( tmp );\n"
|
||
"}\n"
|
||
"UString& UString::operator=( const UString& s ) {\n"
|
||
" return assign( s );\n"
|
||
"}\n");
|
||
}
|
||
|
||
// Check that operator Equal checks for assignment to self
|
||
void checkOpertorEqToSelf(const char code[])
|
||
{
|
||
// Clear the error log
|
||
errout.str("");
|
||
|
||
Settings settings;
|
||
settings._checkCodingStyle = true;
|
||
|
||
// Tokenize..
|
||
Tokenizer tokenizer(&settings, this);
|
||
std::istringstream istr(code);
|
||
tokenizer.tokenize(istr, "test.cpp");
|
||
tokenizer.simplifyTokenList();
|
||
|
||
// Check..
|
||
CheckClass checkClass(&tokenizer, &settings, this);
|
||
checkClass.operatorEqToSelf();
|
||
}
|
||
|
||
void operatorEqToSelf1()
|
||
{
|
||
// this test has an assignment test but it is not needed
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" A & operator=(const A &a) { if (&a != this) { } return *this; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test doesn't have an assignment test but it is not needed
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" A & operator=(const A &a) { return *this; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test needs an assignment test and has it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a)\n"
|
||
" {\n"
|
||
" if (&a != this)\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this class needs an assignment test but doesn't have it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a)\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:5]: (warning) 'operator=' should check for assignment to self\n", errout.str());
|
||
|
||
// this test has an assignment test but doesn't need it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" A & operator=(const A &);\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a) { if (&a != this) { } return *this; }\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test doesn't have an assignment test but doesn't need it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" A & operator=(const A &);\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a) { return *this; }\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test needs an assignment test and has it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &);\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a)\n"
|
||
"{\n"
|
||
" if (&a != this)\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test needs an assignment test but doesn’t have it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &);\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a)\n"
|
||
"{\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" return *this;\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:7]: (warning) 'operator=' should check for assignment to self\n", errout.str());
|
||
|
||
// ticket #1224
|
||
checkOpertorEqToSelf(
|
||
"const SubTree &SubTree::operator= (const SubTree &b)\n"
|
||
"{\n"
|
||
" CodeTree *oldtree = tree;\n"
|
||
" tree = new CodeTree(*b.tree);\n"
|
||
" delete oldtree;\n"
|
||
" return *this;\n"
|
||
"}\n"
|
||
"const SubTree &SubTree::operator= (const CodeTree &b)\n"
|
||
"{\n"
|
||
" CodeTree *oldtree = tree;\n"
|
||
" tree = new CodeTree(b);\n"
|
||
" delete oldtree;\n"
|
||
" return *this;\n"
|
||
"}");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
}
|
||
|
||
void operatorEqToSelf2()
|
||
{
|
||
// this test has an assignment test but doesn't need it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" class B\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" B & operator=(const B &b) { if (&b != this) { } return *this; }\n"
|
||
" };\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test doesn't have an assignment test but doesn't need it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" class B\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" B & operator=(const B &b) { return *this; }\n"
|
||
" };\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test needs an assignment test but has it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" class B\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" char *s;\n"
|
||
" B & operator=(const B &b)\n"
|
||
" {\n"
|
||
" if (&b != this)\n"
|
||
" {\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
" };\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test needs an assignment test but doesn't have it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" class B\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" char *s;\n"
|
||
" B & operator=(const B &b)\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(b.s);\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
" };\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:8]: (warning) 'operator=' should check for assignment to self\n", errout.str());
|
||
|
||
// this test has an assignment test but doesn't need it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" class B\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" B & operator=(const B &);\n"
|
||
" };\n"
|
||
"};\n"
|
||
"A::B & A::B::operator=(const A::B &b) { if (&b != this) { } return *this; }\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test doesn't have an assignment test but doesn't need it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" class B\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" B & operator=(const B &);\n"
|
||
" };\n"
|
||
"};\n"
|
||
"A::B & A::B::operator=(const A::B &b) { return *this; }\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test needs an assignment test and has it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" class B\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" char * s;\n"
|
||
" B & operator=(const B &);\n"
|
||
" };\n"
|
||
"};\n"
|
||
"A::B & A::B::operator=(const A::B &b)\n"
|
||
"{\n"
|
||
" if (&b != this)\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(b.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
" }\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test needs an assignment test but doesn't have it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" class B\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" char * s;\n"
|
||
" B & operator=(const B &);\n"
|
||
" };\n"
|
||
"};\n"
|
||
"A::B & A::B::operator=(const A::B &b)\n"
|
||
"{\n"
|
||
" free(s);\n"
|
||
" s = strdup(b.s);\n"
|
||
" return *this;\n"
|
||
" }\n");
|
||
ASSERT_EQUALS("[test.cpp:11]: (warning) 'operator=' should check for assignment to self\n", errout.str());
|
||
}
|
||
|
||
void operatorEqToSelf3()
|
||
{
|
||
// this test has multiple inheritance so there is no trivial way to test for self assignment but doesn't need it
|
||
checkOpertorEqToSelf(
|
||
"class A : public B, public C\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" A & operator=(const A &a) { return *this; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test has multiple inheritance and needs an assignment test but there is no trivial way to test for it
|
||
checkOpertorEqToSelf(
|
||
"class A : public B, public C\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a)\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test has multiple inheritance so there is no trivial way to test for self assignment but doesn't need it
|
||
checkOpertorEqToSelf(
|
||
"class A : public B, public C\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" A & operator=(const A &);\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a) { return *this; }\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test has multiple inheritance and needs an assignment test but there is no trivial way to test for it
|
||
checkOpertorEqToSelf(
|
||
"class A : public B, public C\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &);\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a)\n"
|
||
"{\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" return *this;\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void operatorEqToSelf4()
|
||
{
|
||
// this test has multiple inheritance so there is no trivial way to test for self assignment but doesn't need it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" class B : public C, public D\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" B & operator=(const B &b) { return *this; }\n"
|
||
" };\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test has multiple inheritance and needs an assignment test but there is no trivial way to test for it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" class B : public C, public D\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" char * s;\n"
|
||
" B & operator=(const B &b)\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(b.s);\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
" };\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test has multiple inheritance so there is no trivial way to test for self assignment but doesn't need it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" class B : public C, public D\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" B & operator=(const B &);\n"
|
||
" };\n"
|
||
"};\n"
|
||
"A::B & A::B::operator=(const A::B &b) { return *this; }\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// this test has multiple inheritance and needs an assignment test but there is no trivial way to test for it
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" class B : public C, public D\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" char * s;\n"
|
||
" B & operator=(const B &);\n"
|
||
" };\n"
|
||
"};\n"
|
||
"A::B & A::B::operator=(const A::B &b)\n"
|
||
"{\n"
|
||
" free(s);\n"
|
||
" s = strdup(b.s);\n"
|
||
" return *this;\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void operatorEqToSelf5()
|
||
{
|
||
// ticket # 1233
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a)\n"
|
||
" {\n"
|
||
" if((&a!=this))\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a)\n"
|
||
" {\n"
|
||
" if((this!=&a))\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a)\n"
|
||
" {\n"
|
||
" if(!(&a==this))\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a)\n"
|
||
" {\n"
|
||
" if(!(this==&a))\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a)\n"
|
||
" {\n"
|
||
" if(false==(&a==this))\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a)\n"
|
||
" {\n"
|
||
" if(false==(this==&a))\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a)\n"
|
||
" {\n"
|
||
" if(true!=(&a==this))\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a)\n"
|
||
" {\n"
|
||
" if(true!=(this==&a))\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a);\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a)\n"
|
||
"{\n"
|
||
" if((&a!=this))\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a);\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a)\n"
|
||
"{\n"
|
||
" if((this!=&a))\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a);\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a)\n"
|
||
"{\n"
|
||
" if(!(&a==this))\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a);\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a)\n"
|
||
"{\n"
|
||
" if(!(this==&a))\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a);\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a)\n"
|
||
"{\n"
|
||
" if(false==(&a==this))\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a);\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a)\n"
|
||
"{\n"
|
||
" if(false==(this==&a))\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a);\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a)\n"
|
||
"{\n"
|
||
" if(true!=(&a==this))\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" char *s;\n"
|
||
" A & operator=(const A &a);\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a)\n"
|
||
"{\n"
|
||
" if(true!=(this==&a))\n"
|
||
" {\n"
|
||
" free(s);\n"
|
||
" s = strdup(a.s);\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void operatorEqToSelf6()
|
||
{
|
||
// ticket # 1550
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" A & operator=(const A &a)\n"
|
||
" {\n"
|
||
" delete [] data;\n"
|
||
" data = new char[strlen(a.data) + 1];\n"
|
||
" strcpy(data, a.data);\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
"private:\n"
|
||
" char * data;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (warning) 'operator=' should check for assignment to self\n", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" A & operator=(const A &a);\n"
|
||
"private:\n"
|
||
" char * data;\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a)\n"
|
||
"{\n"
|
||
" delete [] data;\n"
|
||
" data = new char[strlen(a.data) + 1];\n"
|
||
" strcpy(data, a.data);\n"
|
||
" return *this;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:8]: (warning) 'operator=' should check for assignment to self\n", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" A & operator=(const A &a)\n"
|
||
" {\n"
|
||
" delete data;\n"
|
||
" data = new char;\n"
|
||
" *data = *a.data;\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
"private:\n"
|
||
" char * data;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (warning) 'operator=' should check for assignment to self\n", errout.str());
|
||
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" A & operator=(const A &a);\n"
|
||
"private:\n"
|
||
" char * data;\n"
|
||
"};\n"
|
||
"A & A::operator=(const A &a)\n"
|
||
"{\n"
|
||
" delete data;\n"
|
||
" data = new char;\n"
|
||
" *data = *a.data;\n"
|
||
" return *this;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:8]: (warning) 'operator=' should check for assignment to self\n", errout.str());
|
||
}
|
||
|
||
void operatorEqToSelf7()
|
||
{
|
||
checkOpertorEqToSelf(
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" A & assign(const A & a)\n"
|
||
" {\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
" A & operator=(const A &a)\n"
|
||
" {\n"
|
||
" return assign(a);\n"
|
||
" }\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void operatorEqToSelf8()
|
||
{
|
||
checkOpertorEqToSelf(
|
||
"class FMat\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" FMat& copy(const FMat& rhs);\n"
|
||
" FMat& operator=(const FMat& in);\n"
|
||
"};\n"
|
||
"FMat& FMat::copy(const FMat& rhs)\n"
|
||
"{\n"
|
||
" return *this;\n"
|
||
"}\n"
|
||
"FMat& FMat::operator=(const FMat& in)\n"
|
||
"{\n"
|
||
" return copy(in);\n"
|
||
"}");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void operatorEqToSelf9()
|
||
{
|
||
checkOpertorEqToSelf(
|
||
"class Foo\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Foo& operator=(Foo* pOther);\n"
|
||
" Foo& operator=(Foo& other);\n"
|
||
"};\n"
|
||
"Foo& Foo::operator=(Foo* pOther)\n"
|
||
"{\n"
|
||
" return *this;\n"
|
||
"}\n"
|
||
"Foo& Foo::operator=(Foo& other)\n"
|
||
"{\n"
|
||
" return Foo::operator=(&other);\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
// Check that base classes have virtual destructors
|
||
void checkVirtualDestructor(const char code[])
|
||
{
|
||
// Clear the error log
|
||
errout.str("");
|
||
|
||
Settings settings;
|
||
|
||
// Tokenize..
|
||
Tokenizer tokenizer(&settings, this);
|
||
std::istringstream istr(code);
|
||
tokenizer.tokenize(istr, "test.cpp");
|
||
tokenizer.simplifyTokenList();
|
||
|
||
// Check..
|
||
CheckClass checkClass(&tokenizer, &settings, this);
|
||
checkClass.virtualDestructor();
|
||
}
|
||
|
||
void virtualDestructor1()
|
||
{
|
||
// Base class not found
|
||
|
||
checkVirtualDestructor("class Derived : public Base { };\n"
|
||
"Base *base = new Derived;\n"
|
||
"delete base;");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkVirtualDestructor("class Derived : Base { };\n"
|
||
"Base *base = new Derived;\n"
|
||
"delete base;");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void virtualDestructor2()
|
||
{
|
||
// Base class doesn't have a destructor
|
||
|
||
checkVirtualDestructor("class Base { };\n"
|
||
"class Derived : public Base { public: ~Derived() { (void)11; } };"
|
||
"Base *base = new Derived;\n"
|
||
"delete base;");
|
||
ASSERT_EQUALS("[test.cpp:1]: (error) Class Base which is inherited by class Derived does not have a virtual destructor\n", errout.str());
|
||
|
||
checkVirtualDestructor("class Base { };\n"
|
||
"class Derived : protected Base { public: ~Derived() { (void)11; } };"
|
||
"Base *base = new Derived;\n"
|
||
"delete base;");
|
||
ASSERT_EQUALS("[test.cpp:1]: (error) Class Base which is inherited by class Derived does not have a virtual destructor\n", errout.str());
|
||
|
||
checkVirtualDestructor("class Base { };\n"
|
||
"class Derived : private Base { public: ~Derived() { (void)11; } };"
|
||
"Base *base = new Derived;\n"
|
||
"delete base;");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkVirtualDestructor("class Base { };\n"
|
||
"class Derived : Base { public: ~Derived() { (void)11; } };"
|
||
"Base *base = new Derived;\n"
|
||
"delete base;");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void virtualDestructor3()
|
||
{
|
||
// Base class has a destructor, but it's not virtual
|
||
|
||
checkVirtualDestructor("class Base { public: ~Base(); };\n"
|
||
"class Derived : public Base { public: ~Derived() { (void)11; } };"
|
||
"Base *base = new Derived;\n"
|
||
"delete base;");
|
||
ASSERT_EQUALS("[test.cpp:1]: (error) Class Base which is inherited by class Derived does not have a virtual destructor\n", errout.str());
|
||
|
||
checkVirtualDestructor("class Base { public: ~Base(); };\n"
|
||
"class Derived : protected Base { public: ~Derived() { (void)11; } };"
|
||
"Base *base = new Derived;\n"
|
||
"delete base;");
|
||
ASSERT_EQUALS("[test.cpp:1]: (error) Class Base which is inherited by class Derived does not have a virtual destructor\n", errout.str());
|
||
|
||
checkVirtualDestructor("class Base { public: ~Base(); };\n"
|
||
"class Derived : private Fred, public Base { public: ~Derived() { (void)11; } };"
|
||
"Base *base = new Derived;\n"
|
||
"delete base;");
|
||
ASSERT_EQUALS("[test.cpp:1]: (error) Class Base which is inherited by class Derived does not have a virtual destructor\n", errout.str());
|
||
}
|
||
|
||
void virtualDestructor4()
|
||
{
|
||
// Derived class doesn't have a destructor => no error
|
||
|
||
checkVirtualDestructor("class Base { public: ~Base(); };\n"
|
||
"class Derived : public Base { };"
|
||
"Base *base = new Derived;\n"
|
||
"delete base;");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkVirtualDestructor("class Base { public: ~Base(); };\n"
|
||
"class Derived : private Fred, public Base { };"
|
||
"Base *base = new Derived;\n"
|
||
"delete base;");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void virtualDestructor5()
|
||
{
|
||
// Derived class has empty destructor => no error
|
||
|
||
checkVirtualDestructor("class Base { public: ~Base(); };\n"
|
||
"class Derived : public Base { public: ~Derived() {} };"
|
||
"Base *base = new Derived;\n"
|
||
"delete base;");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkVirtualDestructor("class Base { public: ~Base(); };\n"
|
||
"class Derived : public Base { public: ~Derived(); }; Derived::~Derived() {}"
|
||
"Base *base = new Derived;\n"
|
||
"delete base;");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void virtualDestructor6()
|
||
{
|
||
// Only report error if base class pointer is deleted that
|
||
// points at derived class
|
||
|
||
checkVirtualDestructor("class Base { public: ~Base(); };\n"
|
||
"class Derived : public Base { public: ~Derived() { (void)11; } };"
|
||
"Base *base = new Derived;\n"
|
||
"delete base;");
|
||
ASSERT_EQUALS("[test.cpp:1]: (error) Class Base which is inherited by class Derived does not have a virtual destructor\n", errout.str());
|
||
|
||
checkVirtualDestructor("class Base { public: ~Base(); };\n"
|
||
"class Derived : public Base { public: ~Derived() { (void)11; } };");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void virtualDestructorProtected()
|
||
{
|
||
// Base class has protected destructor, it makes Base *p = new Derived(); fail
|
||
// during compilation time, so error is not possible. => no error
|
||
checkVirtualDestructor("class A\n"
|
||
"{\n"
|
||
"protected:\n"
|
||
" ~A() { }\n"
|
||
"};\n"
|
||
"\n"
|
||
"class B : public A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" ~B() { int a; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void virtualDestructorInherited()
|
||
{
|
||
// class A inherits virtual destructor from class Base -> no error
|
||
checkVirtualDestructor("class Base\n"
|
||
"{\n"
|
||
"public:\n"
|
||
"virtual ~Base() {}\n"
|
||
"};\n"
|
||
"class A : private Base\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" ~A() { }\n"
|
||
"};\n"
|
||
"\n"
|
||
"class B : public A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" ~B() { int a; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// class A inherits virtual destructor from struct Base -> no error
|
||
// also notice that public is not given, but destructor is public, because
|
||
// we are using struct instead of class
|
||
checkVirtualDestructor("struct Base\n"
|
||
"{\n"
|
||
"virtual ~Base() {}\n"
|
||
"};\n"
|
||
"class A : public Base\n"
|
||
"{\n"
|
||
"};\n"
|
||
"\n"
|
||
"class B : public A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" ~B() { int a; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// Unknown Base class -> it could have virtual destructor, so ignore
|
||
checkVirtualDestructor("class A : private Base\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" ~A() { }\n"
|
||
"};\n"
|
||
"\n"
|
||
"class B : public A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" ~B() { int a; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// Virtual destructor is inherited -> no error
|
||
checkVirtualDestructor("class Base2\n"
|
||
"{\n"
|
||
"virtual ~Base2() {}\n"
|
||
"};\n"
|
||
"class Base : public Base2\n"
|
||
"{\n"
|
||
"};\n"
|
||
"class A : private Base\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" ~A() { }\n"
|
||
"};\n"
|
||
"\n"
|
||
"class B : public A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" ~B() { int a; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// class A doesn't inherit virtual destructor from class Base -> error
|
||
checkVirtualDestructor("class Base\n"
|
||
"{\n"
|
||
"public:\n"
|
||
"~Base() {}\n"
|
||
"};\n"
|
||
"class A : private Base\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" ~A() { }\n"
|
||
"};\n"
|
||
"\n"
|
||
"class B : public A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" ~B() { int a; }\n"
|
||
"};\n");
|
||
TODO_ASSERT_EQUALS("[test.cpp:7]: (error) Class A which is inherited by class B does not have a virtual destructor\n",
|
||
"", errout.str());
|
||
}
|
||
|
||
void virtualDestructorTemplate()
|
||
{
|
||
checkVirtualDestructor("template <typename T> class A\n"
|
||
"{\n"
|
||
" public:\n"
|
||
" virtual ~A(){}\n"
|
||
"};\n"
|
||
"template <typename T> class AA\n"
|
||
"{\n"
|
||
" public:\n"
|
||
" ~AA(){}\n"
|
||
"};\n"
|
||
"class B : public A<int>, public AA<double>\n"
|
||
"{\n"
|
||
" public:\n"
|
||
" ~B(){int a;}\n"
|
||
"};\n"
|
||
"\n"
|
||
"AA<double> *p = new B; delete p;");
|
||
ASSERT_EQUALS("[test.cpp:9]: (error) Class AA<double> which is inherited by class B does not have a virtual destructor\n", errout.str());
|
||
}
|
||
|
||
void checkUninitVar(const char code[])
|
||
{
|
||
// Clear the error log
|
||
errout.str("");
|
||
|
||
Settings settings;
|
||
settings._checkCodingStyle = true;
|
||
|
||
// Tokenize..
|
||
Tokenizer tokenizer(&settings, this);
|
||
std::istringstream istr(code);
|
||
tokenizer.tokenize(istr, "test.cpp");
|
||
tokenizer.simplifyTokenList();
|
||
|
||
// Check..
|
||
CheckClass checkClass(&tokenizer, &settings, this);
|
||
checkClass.constructors();
|
||
}
|
||
|
||
void uninitVar1()
|
||
{
|
||
checkUninitVar("enum ECODES\n"
|
||
"{\n"
|
||
" CODE_1 = 0,\n"
|
||
" CODE_2 = 1\n"
|
||
"};\n"
|
||
"\n"
|
||
"class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Fred() {}\n"
|
||
"\n"
|
||
"private:\n"
|
||
" ECODES _code;\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("[test.cpp:10]: (warning) Member variable 'Fred::_code' is not initialized in the constructor.\n", errout.str());
|
||
|
||
|
||
checkUninitVar("class A{};\n"
|
||
"\n"
|
||
"class B : public A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" B() {}\n"
|
||
"private:\n"
|
||
" float f;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:6]: (warning) Member variable 'B::f' is not initialized in the constructor.\n", errout.str());
|
||
|
||
checkUninitVar("class C\n"
|
||
"{\n"
|
||
" FILE *fp;\n"
|
||
"\n"
|
||
"public:\n"
|
||
" C(FILE *fp);\n"
|
||
"};\n"
|
||
"\n"
|
||
"C::C(FILE *fp) {\n"
|
||
" C::fp = fp;\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVar2()
|
||
{
|
||
checkUninitVar("class John\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" John() { (*this).i = 0; }\n"
|
||
"private:\n"
|
||
" int i;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVar3()
|
||
{
|
||
// No FP when struct has constructor
|
||
checkUninitVar("class Foo\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Foo() { }\n"
|
||
"private:\n"
|
||
" struct Bar {\n"
|
||
" Bar();\n"
|
||
" };\n"
|
||
" Bar bars[2];\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// Using struct that doesn't have constructor
|
||
checkUninitVar("class Foo\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Foo() { }\n"
|
||
"private:\n"
|
||
" struct Bar {\n"
|
||
" int x;\n"
|
||
" };\n"
|
||
" Bar bars[2];\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Foo::bars' is not initialized in the constructor.\n", errout.str());
|
||
}
|
||
|
||
void uninitVar4()
|
||
{
|
||
checkUninitVar("class Foo\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Foo() { bar.x = 0; }\n"
|
||
"private:\n"
|
||
" struct Bar {\n"
|
||
" int x;\n"
|
||
" };\n"
|
||
" struct Bar bar;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVar5()
|
||
{
|
||
checkUninitVar("class Foo\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Foo() { }\n"
|
||
" Foo &operator=(const Foo &)\n"
|
||
" { return *this; }\n"
|
||
" static int i;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVar6()
|
||
{
|
||
checkUninitVar("class Foo : public Bar\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Foo(int i) : Bar(mi=i) { }\n"
|
||
"private:\n"
|
||
" int mi;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVar7()
|
||
{
|
||
checkUninitVar("class Foo {\n"
|
||
" int a;\n"
|
||
"public:\n"
|
||
" Foo() : a(0) {}\n"
|
||
" Foo& operator=(const Foo&);\n"
|
||
" void Swap(Foo& rhs);\n"
|
||
"};\n"
|
||
"\n"
|
||
"void Foo::Swap(Foo& rhs) {\n"
|
||
" std::swap(a,rhs.a);\n"
|
||
"}\n"
|
||
"\n"
|
||
"Foo& Foo::operator=(const Foo& rhs) {\n"
|
||
" Foo copy(rhs);\n"
|
||
" copy.Swap(*this);\n"
|
||
" return *this;\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVar8()
|
||
{
|
||
checkUninitVar("class Foo {\n"
|
||
" int a;\n"
|
||
"public:\n"
|
||
" Foo() : a(0) {}\n"
|
||
" Foo& operator=(const Foo&);\n"
|
||
"};\n"
|
||
"\n"
|
||
"Foo& Foo::operator=(const Foo& rhs) {\n"
|
||
" if (&rhs != this)\n"
|
||
" {\n"
|
||
" }\n"
|
||
" return *this;\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:8]: (warning) Member variable 'Foo::a' is not assigned a value in 'Foo::operator='\n", errout.str());
|
||
}
|
||
|
||
void uninitVar9() // ticket #1730
|
||
{
|
||
checkUninitVar("class Prefs {\n"
|
||
"private:\n"
|
||
" int xasd;\n"
|
||
"public:\n"
|
||
" Prefs(wxSize size);\n"
|
||
"};\n"
|
||
"Prefs::Prefs(wxSize size)\n"
|
||
"{\n"
|
||
" SetMinSize( wxSize( 48,48 ) );\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:7]: (warning) Member variable 'Prefs::xasd' is not initialized in the constructor.\n", errout.str());
|
||
}
|
||
|
||
void uninitVar10() // ticket #1993
|
||
{
|
||
checkUninitVar("class A {\n"
|
||
"public:\n"
|
||
" A();\n"
|
||
"private:\n"
|
||
" int var1;\n"
|
||
" int var2;\n"
|
||
"};\n"
|
||
"A::A() : var1(0) { }\n");
|
||
ASSERT_EQUALS("[test.cpp:8]: (warning) Member variable 'A::var2' is not initialized in the constructor.\n", errout.str());
|
||
}
|
||
|
||
void uninitVar11()
|
||
{
|
||
checkUninitVar("class A {\n"
|
||
"public:\n"
|
||
" A(int a = 0);\n"
|
||
"private:\n"
|
||
" int var;\n"
|
||
"};\n"
|
||
"A::A(int a) { }\n");
|
||
ASSERT_EQUALS("[test.cpp:7]: (warning) Member variable 'A::var' is not initialized in the constructor.\n", errout.str());
|
||
}
|
||
|
||
void uninitVar12() // ticket #2078
|
||
{
|
||
checkUninitVar("class Point\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Point()\n"
|
||
" {\n"
|
||
" Point(0, 0);\n"
|
||
" }\n"
|
||
" Point(int x, int y)\n"
|
||
" : x(x), y(y)\n"
|
||
" {}\n"
|
||
" int x, y;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Point::x' is not initialized in the constructor.\n"
|
||
"[test.cpp:4]: (warning) Member variable 'Point::y' is not initialized in the constructor.\n", errout.str());
|
||
}
|
||
|
||
void uninitVar13() // ticket #1195
|
||
{
|
||
checkUninitVar("class A {\n"
|
||
"private:\n"
|
||
" std::vector<int> *ints;\n"
|
||
"public:\n"
|
||
" A()\n"
|
||
" {}\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:5]: (warning) Member variable 'A::ints' is not initialized in the constructor.\n", errout.str());
|
||
}
|
||
|
||
void uninitVar14() // ticket #2149
|
||
{
|
||
// no namespace
|
||
checkUninitVar("class Foo\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Foo();\n"
|
||
"private:\n"
|
||
" bool mMember;\n"
|
||
"};\n"
|
||
"Foo::Foo()\n"
|
||
"{\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:8]: (warning) Member variable 'Foo::mMember' is not initialized in the constructor.\n", errout.str());
|
||
|
||
// single namespace
|
||
checkUninitVar("namespace Output\n"
|
||
"{\n"
|
||
" class Foo\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" Foo();\n"
|
||
" private:\n"
|
||
" bool mMember;\n"
|
||
" };\n"
|
||
" Foo::Foo()\n"
|
||
" {\n"
|
||
" }\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:10]: (warning) Member variable 'Foo::mMember' is not initialized in the constructor.\n", errout.str());
|
||
|
||
// constructor outside namespace
|
||
checkUninitVar("namespace Output\n"
|
||
"{\n"
|
||
" class Foo\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" Foo();\n"
|
||
" private:\n"
|
||
" bool mMember;\n"
|
||
" };\n"
|
||
"}\n"
|
||
"Foo::Foo()\n"
|
||
"{\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// constructor outside namespace
|
||
checkUninitVar("namespace Output\n"
|
||
"{\n"
|
||
" class Foo\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" Foo();\n"
|
||
" private:\n"
|
||
" bool mMember;\n"
|
||
" };\n"
|
||
"}\n"
|
||
"Output::Foo::Foo()\n"
|
||
"{\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:11]: (warning) Member variable 'Foo::mMember' is not initialized in the constructor.\n", errout.str());
|
||
|
||
// constructor in separate namespace
|
||
checkUninitVar("namespace Output\n"
|
||
"{\n"
|
||
" class Foo\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" Foo();\n"
|
||
" private:\n"
|
||
" bool mMember;\n"
|
||
" };\n"
|
||
"}\n"
|
||
"namespace Output\n"
|
||
"{\n"
|
||
" Foo::Foo()\n"
|
||
" {\n"
|
||
" }\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:13]: (warning) Member variable 'Foo::mMember' is not initialized in the constructor.\n", errout.str());
|
||
|
||
// constructor in different separate namespace
|
||
checkUninitVar("namespace Output\n"
|
||
"{\n"
|
||
" class Foo\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" Foo();\n"
|
||
" private:\n"
|
||
" bool mMember;\n"
|
||
" };\n"
|
||
"}\n"
|
||
"namespace Input\n"
|
||
"{\n"
|
||
" Foo::Foo()\n"
|
||
" {\n"
|
||
" }\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// constructor in different separate namespace (won't compile)
|
||
checkUninitVar("namespace Output\n"
|
||
"{\n"
|
||
" class Foo\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" Foo();\n"
|
||
" private:\n"
|
||
" bool mMember;\n"
|
||
" };\n"
|
||
"}\n"
|
||
"namespace Input\n"
|
||
"{\n"
|
||
" Output::Foo::Foo()\n"
|
||
" {\n"
|
||
" }\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// constructor in nested separate namespace
|
||
checkUninitVar("namespace A\n"
|
||
"{\n"
|
||
" namespace Output\n"
|
||
" {\n"
|
||
" class Foo\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" Foo();\n"
|
||
" private:\n"
|
||
" bool mMember;\n"
|
||
" };\n"
|
||
" }\n"
|
||
" namespace Output\n"
|
||
" {\n"
|
||
" Foo::Foo()\n"
|
||
" {\n"
|
||
" }\n"
|
||
" }\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:15]: (warning) Member variable 'Foo::mMember' is not initialized in the constructor.\n", errout.str());
|
||
|
||
// constructor in nested different separate namespace
|
||
checkUninitVar("namespace A\n"
|
||
"{\n"
|
||
" namespace Output\n"
|
||
" {\n"
|
||
" class Foo\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" Foo();\n"
|
||
" private:\n"
|
||
" bool mMember;\n"
|
||
" };\n"
|
||
" }\n"
|
||
" namespace Input\n"
|
||
" {\n"
|
||
" Foo::Foo()\n"
|
||
" {\n"
|
||
" }\n"
|
||
" }\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// constructor in nested different separate namespace
|
||
checkUninitVar("namespace A\n"
|
||
"{\n"
|
||
" namespace Output\n"
|
||
" {\n"
|
||
" class Foo\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" Foo();\n"
|
||
" private:\n"
|
||
" bool mMember;\n"
|
||
" };\n"
|
||
" }\n"
|
||
" namespace Input\n"
|
||
" {\n"
|
||
" Output::Foo::Foo()\n"
|
||
" {\n"
|
||
" }\n"
|
||
" }\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVar15()
|
||
{
|
||
checkUninitVar("class Fred\n"
|
||
"{\n"
|
||
" int a;\n"
|
||
"public:\n"
|
||
" Fred();\n"
|
||
" ~Fred();\n"
|
||
"};\n"
|
||
"Fred::~Fred()\n"
|
||
"{\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVar16()
|
||
{
|
||
checkUninitVar("struct Foo\n"
|
||
"{\n"
|
||
" int a;\n"
|
||
" void set(int x) { a = x; }\n"
|
||
"};\n"
|
||
"class Bar\n"
|
||
"{\n"
|
||
" Foo foo;\n"
|
||
"public:\n"
|
||
" Bar()\n"
|
||
" {\n"
|
||
" foo.set(0);\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("struct Foo\n"
|
||
"{\n"
|
||
" int a;\n"
|
||
" void set(int x) { a = x; }\n"
|
||
"};\n"
|
||
"class Bar\n"
|
||
"{\n"
|
||
" Foo foo;\n"
|
||
"public:\n"
|
||
" Bar()\n"
|
||
" {\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:10]: (warning) Member variable 'Bar::foo' is not initialized in the constructor.\n", errout.str());
|
||
}
|
||
|
||
void uninitVar17()
|
||
{
|
||
checkUninitVar("struct Foo\n"
|
||
"{\n"
|
||
" int a;\n"
|
||
"};\n"
|
||
"class Bar\n"
|
||
"{\n"
|
||
" Foo foo[10];\n"
|
||
"public:\n"
|
||
" Bar()\n"
|
||
" {\n"
|
||
" foo[0].a = 0;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("struct Foo\n"
|
||
"{\n"
|
||
" int a;\n"
|
||
"};\n"
|
||
"class Bar\n"
|
||
"{\n"
|
||
" Foo foo[10];\n"
|
||
"public:\n"
|
||
" Bar()\n"
|
||
" {\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:9]: (warning) Member variable 'Bar::foo' is not initialized in the constructor.\n", errout.str());
|
||
}
|
||
|
||
void uninitVar18() // ticket #2465
|
||
{
|
||
checkUninitVar("struct Altren\n"
|
||
"{\n"
|
||
" Altren(int _a = 0) : value(0) { }\n"
|
||
" int value;\n"
|
||
"};\n"
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" A() { }\n"
|
||
"private:\n"
|
||
" Altren value;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("struct Altren\n"
|
||
"{\n"
|
||
" Altren(int _a) : value(0) { }\n"
|
||
" int value;\n"
|
||
"};\n"
|
||
"class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" A() { }\n"
|
||
"private:\n"
|
||
" Altren value;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:9]: (warning) Member variable 'A::value' is not initialized in the constructor.\n", errout.str());
|
||
}
|
||
|
||
void uninitVar19() // ticket #2792
|
||
{
|
||
checkUninitVar("class mystring\n"
|
||
"{\n"
|
||
" char* m_str;\n"
|
||
" int m_len;\n"
|
||
"public:\n"
|
||
" mystring(const char* str)\n"
|
||
" {\n"
|
||
" m_len = strlen(str);\n"
|
||
" m_str = (char*) malloc(m_len+1);\n"
|
||
" memcpy(m_str, str, m_len+1);\n"
|
||
" }\n"
|
||
" mystring& operator=(const mystring& copy)\n"
|
||
" {\n"
|
||
" return (*this = copy.m_str);\n"
|
||
" }\n"
|
||
" ~mystring()\n"
|
||
" {\n"
|
||
" free(m_str);\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVar20() // ticket #2867
|
||
{
|
||
checkUninitVar("Object::MemFunc() {\n"
|
||
" class LocalClass {\n"
|
||
" public:\n"
|
||
" LocalClass() : dataLength_(0) {}\n"
|
||
" std::streamsize dataLength_;\n"
|
||
" double bitsInData_;\n"
|
||
" } obj;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'LocalClass::bitsInData_' is not initialized in the constructor.\n", errout.str());
|
||
|
||
checkUninitVar("Object::MemFunc() {\n"
|
||
" class LocalClass : public copy_protected {\n"
|
||
" public:\n"
|
||
" LocalClass() : copy_protected(1), dataLength_(0) {}\n"
|
||
" std::streamsize dataLength_;\n"
|
||
" double bitsInData_;\n"
|
||
" } obj;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'LocalClass::bitsInData_' is not initialized in the constructor.\n", errout.str());
|
||
|
||
checkUninitVar("Object::MemFunc() {\n"
|
||
" class LocalClass : ::copy_protected {\n"
|
||
" public:\n"
|
||
" LocalClass() : copy_protected(1), dataLength_(0) {}\n"
|
||
" std::streamsize dataLength_;\n"
|
||
" double bitsInData_;\n"
|
||
" } obj;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'LocalClass::bitsInData_' is not initialized in the constructor.\n", errout.str());
|
||
}
|
||
|
||
void uninitVar21() // ticket #2947
|
||
{
|
||
checkUninitVar("class Fred {\n"
|
||
"private:\n"
|
||
" int a[23];\n"
|
||
"public:\n"
|
||
" Fred(); \n"
|
||
"};\n"
|
||
"Fred::Fred() {\n"
|
||
" a[x::y] = 0;\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVarArray1()
|
||
{
|
||
checkUninitVar("class John\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" John() {}\n"
|
||
"\n"
|
||
"private:\n"
|
||
" char name[255];\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'John::name' is not initialized in the constructor.\n", errout.str());
|
||
|
||
checkUninitVar("class John\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" John() {John::name[0] = '\\0';}\n"
|
||
"\n"
|
||
"private:\n"
|
||
" char name[255];\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("class John\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" John() { strcpy(name, ""); }\n"
|
||
"\n"
|
||
"private:\n"
|
||
" char name[255];\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("class John\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" John() { }\n"
|
||
"\n"
|
||
" double operator[](const unsigned long i);\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("class A;\n"
|
||
"class John\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" John() { }\n"
|
||
" A a[5];\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("class A;\n"
|
||
"class John\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" John() { }\n"
|
||
" A *a[5];\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:5]: (warning) Member variable 'John::a' is not initialized in the constructor.\n", errout.str());
|
||
}
|
||
|
||
void uninitVarArray2()
|
||
{
|
||
checkUninitVar("class John\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" John() { *name = 0; }\n"
|
||
"\n"
|
||
"private:\n"
|
||
" char name[255];\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVarArray3()
|
||
{
|
||
checkUninitVar("class John\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" int a[100];\n"
|
||
" int b[100];\n"
|
||
"\n"
|
||
"public:\n"
|
||
" John()\n"
|
||
" {\n"
|
||
" memset(a,0,sizeof(a));\n"
|
||
" memset(b,0,sizeof(b));\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVarArray4()
|
||
{
|
||
checkUninitVar("class John\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" int a[100];\n"
|
||
" int b[100];\n"
|
||
"\n"
|
||
"public:\n"
|
||
" John()\n"
|
||
" {\n"
|
||
" if (snprintf(a,10,\"a\")) { }\n"
|
||
" if (snprintf(b,10,\"b\")) { }\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVarArray5()
|
||
{
|
||
checkUninitVar("class Foo\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" Bar bars[10];\n"
|
||
"public:\n"
|
||
" Foo()\n"
|
||
" { }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVarArray6()
|
||
{
|
||
checkUninitVar("class Foo\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Foo();\n"
|
||
" static const char STR[];\n"
|
||
"};\n"
|
||
"const char Foo::STR[] = \"abc\";\n"
|
||
"Foo::Foo() { }");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVarArray2D()
|
||
{
|
||
checkUninitVar("class John\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" John() { a[0][0] = 0; }\n"
|
||
"\n"
|
||
"private:\n"
|
||
" char a[2][2];\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVarStruct1() // ticket #2172
|
||
{
|
||
checkUninitVar("class A\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" struct B {\n"
|
||
" std::string str1;\n"
|
||
" std::string str2;\n"
|
||
" }\n"
|
||
" struct B b;\n"
|
||
"public:\n"
|
||
" A() {\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("class A\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" struct B {\n"
|
||
" char *str1;\n"
|
||
" char *str2;\n"
|
||
" }\n"
|
||
" struct B b;\n"
|
||
"public:\n"
|
||
" A() {\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:10]: (warning) Member variable 'A::b' is not initialized in the constructor.\n", errout.str());
|
||
|
||
checkUninitVar("class A\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" struct B {\n"
|
||
" char *str1;\n"
|
||
" char *str2;\n"
|
||
" B() : str1(NULL), str2(NULL) { }\n"
|
||
" }\n"
|
||
" struct B b;\n"
|
||
"public:\n"
|
||
" A() {\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVarStruct2() // ticket #838
|
||
{
|
||
checkUninitVar("struct POINT\n"
|
||
"{\n"
|
||
" int x;\n"
|
||
" int y;\n"
|
||
"};\n"
|
||
"class Fred\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" POINT p;\n"
|
||
"public:\n"
|
||
" Fred()\n"
|
||
" { }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:11]: (warning) Member variable 'Fred::p' is not initialized in the constructor.\n", errout.str());
|
||
|
||
checkUninitVar("struct POINT\n"
|
||
"{\n"
|
||
" int x;\n"
|
||
" int y;\n"
|
||
" POINT();\n"
|
||
"};\n"
|
||
"class Fred\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" POINT p;\n"
|
||
"public:\n"
|
||
" Fred()\n"
|
||
" { }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("struct POINT\n"
|
||
"{\n"
|
||
" int x;\n"
|
||
" int y;\n"
|
||
" POINT() :x(0), y(0) { }\n"
|
||
"};\n"
|
||
"class Fred\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" POINT p;\n"
|
||
"public:\n"
|
||
" Fred()\n"
|
||
" { }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitMissingFuncDef()
|
||
{
|
||
// Unknown member function
|
||
checkUninitVar("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Fred() { Init(); }\n"
|
||
"private:\n"
|
||
" void Init();"
|
||
" int i;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// Unknown non-member function (friend class)
|
||
checkUninitVar("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Fred() { Init(); }\n"
|
||
"private:\n"
|
||
" friend ABC;\n"
|
||
" int i;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// Unknown non-member function (is Init a virtual function?)
|
||
checkUninitVar("class Fred : private ABC\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Fred() { Init(); }\n"
|
||
"private:\n"
|
||
" int i;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::i' is not initialized in the constructor.\n", errout.str());
|
||
|
||
// Unknown non-member function
|
||
checkUninitVar("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Fred() { Init(); }\n"
|
||
"private:\n"
|
||
" int i;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::i' is not initialized in the constructor.\n", errout.str());
|
||
|
||
// Unknown non-member function
|
||
checkUninitVar("class ABC { };\n"
|
||
"class Fred : private ABC\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Fred() { Init(); }\n"
|
||
"private:\n"
|
||
" int i;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:5]: (warning) Member variable 'Fred::i' is not initialized in the constructor.\n", errout.str());
|
||
|
||
}
|
||
|
||
void uninitVarEnum()
|
||
{
|
||
checkUninitVar("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" enum abc {a,b,c};\n"
|
||
" Fred() {}\n"
|
||
"private:\n"
|
||
" unsigned int i;\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("[test.cpp:5]: (warning) Member variable 'Fred::i' is not initialized in the constructor.\n", errout.str());
|
||
}
|
||
|
||
void uninitVarStream()
|
||
{
|
||
checkUninitVar("#include <fstream>\n"
|
||
"class Foo\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" int foo;\n"
|
||
"public:\n"
|
||
" Foo(std::istream &in)\n"
|
||
" {\n"
|
||
" if(!(in >> foo))\n"
|
||
" throw 0;\n"
|
||
" }\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVarTypedef()
|
||
{
|
||
checkUninitVar("class Foo\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" typedef int * pointer;\n"
|
||
" Foo() : a(0) {}\n"
|
||
" pointer a;\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVarMemset()
|
||
{
|
||
checkUninitVar("class Foo\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" int * pointer;\n"
|
||
" Foo() { memset(this, 0, sizeof(*this)); }\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void privateCtor1()
|
||
{
|
||
checkUninitVar("class Foo {\n"
|
||
" int foo;\n"
|
||
" Foo() { }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void privateCtor2()
|
||
{
|
||
checkUninitVar("class Foo\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" int foo;\n"
|
||
" Foo() { }\n"
|
||
"public:\n"
|
||
" Foo(int _i) { }\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("[test.cpp:7]: (warning) Member variable 'Foo::foo' is not initialized in the constructor.\n", errout.str());
|
||
}
|
||
|
||
|
||
void function()
|
||
{
|
||
checkUninitVar("class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" A();\n"
|
||
" int* f(int*);\n"
|
||
"};\n"
|
||
"\n"
|
||
"A::A()\n"
|
||
"{\n"
|
||
"}\n"
|
||
"\n"
|
||
"int* A::f(int* p)\n"
|
||
"{\n"
|
||
" return p;\n"
|
||
"}\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
|
||
void uninitVarHeader1()
|
||
{
|
||
checkUninitVar("#file \"fred.h\"\n"
|
||
"class Fred\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" unsigned int i;\n"
|
||
"public:\n"
|
||
" Fred();\n"
|
||
"};\n"
|
||
"#endfile\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVarHeader2()
|
||
{
|
||
checkUninitVar("#file \"fred.h\"\n"
|
||
"class Fred\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" unsigned int i;\n"
|
||
"public:\n"
|
||
" Fred() { }\n"
|
||
"};\n"
|
||
"#endfile\n");
|
||
ASSERT_EQUALS("[fred.h:6]: (warning) Member variable 'Fred::i' is not initialized in the constructor.\n", errout.str());
|
||
}
|
||
|
||
void uninitVarHeader3()
|
||
{
|
||
checkUninitVar("#file \"fred.h\"\n"
|
||
"class Fred\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" mutable int i;\n"
|
||
"public:\n"
|
||
" Fred() { }\n"
|
||
"};\n"
|
||
"#endfile\n");
|
||
ASSERT_EQUALS("[fred.h:6]: (warning) Member variable 'Fred::i' is not initialized in the constructor.\n", errout.str());
|
||
}
|
||
|
||
// Borland C++: No FP for published pointers - they are automatically initialized
|
||
void uninitVarPublished()
|
||
{
|
||
checkUninitVar("class Fred\n"
|
||
"{\n"
|
||
"__published:\n"
|
||
" int *i;\n"
|
||
"public:\n"
|
||
" Fred() { }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitOperator()
|
||
{
|
||
checkUninitVar("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Fred() { }\n"
|
||
" int *operator [] (int index) { return 0; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitFunction1()
|
||
{
|
||
checkUninitVar("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Fred() { init(*this); }\n"
|
||
"\n"
|
||
" static void init(Fred &f)\n"
|
||
" { f.d = 0; }\n"
|
||
"\n"
|
||
" double d;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Fred() { init(*this); }\n"
|
||
"\n"
|
||
" static void init(Fred &f)\n"
|
||
" { }\n"
|
||
"\n"
|
||
" double d;\n"
|
||
"};\n");
|
||
TODO_ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::d' is not initialized in the constructor.\n", "", errout.str());
|
||
}
|
||
|
||
void uninitFunction2()
|
||
{
|
||
checkUninitVar("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Fred() { if (!init(*this)); }\n"
|
||
"\n"
|
||
" static bool init(Fred &f)\n"
|
||
" { f.d = 0; return true; }\n"
|
||
"\n"
|
||
" double d;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Fred() { if (!init(*this)); }\n"
|
||
"\n"
|
||
" static bool init(Fred &f)\n"
|
||
" { return true; }\n"
|
||
"\n"
|
||
" double d;\n"
|
||
"};\n");
|
||
TODO_ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::d' is not initialized in the constructor.\n", "", errout.str());
|
||
}
|
||
|
||
void uninitFunction3()
|
||
{
|
||
checkUninitVar("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Fred() { if (!init()); }\n"
|
||
"\n"
|
||
" bool init()\n"
|
||
" { d = 0; return true; }\n"
|
||
"\n"
|
||
" double d;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Fred() { if (!init()); }\n"
|
||
"\n"
|
||
" bool init()\n"
|
||
" { return true; }\n"
|
||
"\n"
|
||
" double d;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::d' is not initialized in the constructor.\n", errout.str());
|
||
}
|
||
|
||
void uninitFunction4()
|
||
{
|
||
checkUninitVar("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Fred() { init(this); }\n"
|
||
"\n"
|
||
" init(Fred *f)\n"
|
||
" { f.d = 0; }\n"
|
||
"\n"
|
||
" double d;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" Fred() { init(this); }\n"
|
||
"\n"
|
||
" init(Fred *f)\n"
|
||
" { }\n"
|
||
"\n"
|
||
" double d;\n"
|
||
"};\n");
|
||
TODO_ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::d' is not initialized in the constructor.\n", "", errout.str());
|
||
}
|
||
|
||
void uninitSameClassName()
|
||
{
|
||
checkUninitVar("class B\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" B();\n"
|
||
" int j;\n"
|
||
"};\n"
|
||
"\n"
|
||
"class A\n"
|
||
"{\n"
|
||
" class B\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" B();\n"
|
||
" int i;\n"
|
||
" };\n"
|
||
"};\n"
|
||
"\n"
|
||
"A::B::B()\n"
|
||
"{\n"
|
||
" i = 0;\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("class B\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" B();\n"
|
||
" int j;\n"
|
||
"};\n"
|
||
"\n"
|
||
"class A\n"
|
||
"{\n"
|
||
" class B\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" B();\n"
|
||
" int i;\n"
|
||
" };\n"
|
||
"};\n"
|
||
"\n"
|
||
"B::B()\n"
|
||
"{\n"
|
||
"}\n"
|
||
"\n"
|
||
"A::B::B()\n"
|
||
"{\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:18]: (warning) Member variable 'B::j' is not initialized in the constructor.\n"
|
||
"[test.cpp:22]: (warning) Member variable 'B::i' is not initialized in the constructor.\n", errout.str());
|
||
|
||
// Ticket #1700
|
||
checkUninitVar("namespace n1\n"
|
||
"{\n"
|
||
"class Foo {"
|
||
"public:\n"
|
||
" Foo() : i(0) { }\n"
|
||
"private:\n"
|
||
" int i;\n"
|
||
"};\n"
|
||
"}\n"
|
||
"\n"
|
||
"namespace n2\n"
|
||
"{\n"
|
||
"class Foo {"
|
||
"public:\n"
|
||
" Foo() { }\n"
|
||
"};\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("namespace n1\n"
|
||
"{\n"
|
||
"class Foo {\n"
|
||
"public:\n"
|
||
" Foo();\n"
|
||
"private:\n"
|
||
" int i;\n"
|
||
"};\n"
|
||
"}\n"
|
||
"\n"
|
||
"n1::Foo::Foo()\n"
|
||
"{ }\n"
|
||
"\n"
|
||
"namespace n2\n"
|
||
"{\n"
|
||
"class Foo {\n"
|
||
"public:\n"
|
||
" Foo() { }\n"
|
||
"};\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:11]: (warning) Member variable 'Foo::i' is not initialized in the constructor.\n", errout.str());
|
||
|
||
checkUninitVar("namespace n1\n"
|
||
"{\n"
|
||
"class Foo {"
|
||
"public:\n"
|
||
" Foo();\n"
|
||
"private:\n"
|
||
" int i;\n"
|
||
"};\n"
|
||
"}\n"
|
||
"\n"
|
||
"n1::Foo::Foo() : i(0)\n"
|
||
"{ }\n"
|
||
"\n"
|
||
"namespace n2\n"
|
||
"{\n"
|
||
"class Foo {"
|
||
"public:\n"
|
||
" Foo() { }\n"
|
||
"};\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitFunctionOverload()
|
||
{
|
||
// Ticket #1783 - overloaded "init" functions
|
||
checkUninitVar("class A\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" int i;\n"
|
||
"\n"
|
||
"public:\n"
|
||
" A()\n"
|
||
" {\n"
|
||
" init();\n"
|
||
" }\n"
|
||
"\n"
|
||
" void init() { init(0); }\n"
|
||
"\n"
|
||
" void init(int value)\n"
|
||
" { i = value; }\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("class A\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" int i;\n"
|
||
"\n"
|
||
"public:\n"
|
||
" A()\n"
|
||
" {\n"
|
||
" init();\n"
|
||
" }\n"
|
||
"\n"
|
||
" void init() { init(0); }\n"
|
||
"\n"
|
||
" void init(int value)\n"
|
||
" { }\n"
|
||
"};");
|
||
TODO_ASSERT_EQUALS("[test.cpp:7]: (warning) Member variable 'A::i' is not initialized in the constructor.\n", "", errout.str());
|
||
}
|
||
|
||
void checkUninitVarJava(const char code[])
|
||
{
|
||
// Clear the error log
|
||
errout.str("");
|
||
|
||
Settings settings;
|
||
settings._checkCodingStyle = true;
|
||
|
||
// Tokenize..
|
||
Tokenizer tokenizer(&settings, this);
|
||
std::istringstream istr(code);
|
||
tokenizer.tokenize(istr, "test.java");
|
||
tokenizer.simplifyTokenList();
|
||
|
||
// Check..
|
||
CheckClass checkClass(&tokenizer, &settings, this);
|
||
checkClass.constructors();
|
||
}
|
||
|
||
void uninitJava()
|
||
{
|
||
checkUninitVarJava("class A {\n"
|
||
" private: int i = 0;\n"
|
||
" public: A() { }\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void uninitVarOperatorEqual() // ticket #2415
|
||
{
|
||
checkUninitVar("struct A {\n"
|
||
" int a;\n"
|
||
" A() { a=0; }\n"
|
||
" A(A const &a) { operator=(a); }\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("struct A {\n"
|
||
" int a;\n"
|
||
" A() { a=0; }\n"
|
||
" A(A const &a) { operator=(a); }\n"
|
||
" A & operator = (const A & rhs) {\n"
|
||
" a = rhs.a;\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkUninitVar("struct A {\n"
|
||
" int a;\n"
|
||
" A() { a=0; }\n"
|
||
" A(A const &a) { operator=(a); }\n"
|
||
" A & operator = (const A & rhs) {\n"
|
||
" return *this;\n"
|
||
" }\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'A::a' is not initialized in the constructor.\n"
|
||
"[test.cpp:5]: (warning) Member variable 'A::a' is not assigned a value in 'A::operator='\n", errout.str());
|
||
}
|
||
|
||
void checkNoConstructor(const char code[])
|
||
{
|
||
// Clear the error log
|
||
errout.str("");
|
||
|
||
Settings settings;
|
||
settings._checkCodingStyle = true;
|
||
|
||
// Tokenize..
|
||
Tokenizer tokenizer(&settings, this);
|
||
std::istringstream istr(code);
|
||
tokenizer.tokenize(istr, "test.cpp");
|
||
tokenizer.simplifyTokenList();
|
||
|
||
// Check..
|
||
CheckClass checkClass(&tokenizer, &settings, this);
|
||
checkClass.constructors();
|
||
}
|
||
|
||
void noConstructor1()
|
||
{
|
||
// There are nonstatic member variables - constructor is needed
|
||
checkNoConstructor("class Fred\n"
|
||
"{\n"
|
||
" int i;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:1]: (style) The class 'Fred' does not have a constructor.\n", errout.str());
|
||
}
|
||
|
||
void noConstructor2()
|
||
{
|
||
checkNoConstructor("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" static void foobar();\n"
|
||
"};\n"
|
||
"\n"
|
||
"void Fred::foobar()\n"
|
||
"{ }\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void noConstructor3()
|
||
{
|
||
checkNoConstructor("class Fred\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" static int foobar;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void noConstructor4()
|
||
{
|
||
checkNoConstructor("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" int foobar;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void noConstructor5()
|
||
{
|
||
checkNoConstructor("namespace Foo\n"
|
||
"{\n"
|
||
" int i;\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void checkNoMemset(const char code[])
|
||
{
|
||
// Clear the error log
|
||
errout.str("");
|
||
|
||
Settings settings;
|
||
|
||
// Tokenize..
|
||
Tokenizer tokenizer(&settings, this);
|
||
std::istringstream istr(code);
|
||
tokenizer.tokenize(istr, "test.cpp");
|
||
|
||
// Check..
|
||
CheckClass checkClass(&tokenizer, &settings, this);
|
||
checkClass.noMemset();
|
||
}
|
||
|
||
void memsetOnClass()
|
||
{
|
||
checkNoMemset("class Fred\n"
|
||
"{\n"
|
||
"};\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" Fred fred;\n"
|
||
" memset(&fred, 0, sizeof(Fred));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkNoMemset("class Fred\n"
|
||
"{\n"
|
||
" static std::string b;\n"
|
||
"};\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" Fred fred;\n"
|
||
" memset(&fred, 0, sizeof(Fred));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkNoMemset("class Fred\n"
|
||
"{\n"
|
||
" std::string * b; \n"
|
||
"};\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" Fred fred;\n"
|
||
" memset(&fred, 0, sizeof(Fred));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkNoMemset("class Fred\n"
|
||
"{\n"
|
||
" std::string b; \n"
|
||
"};\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" Fred fred;\n"
|
||
" memset(&fred, 0, sizeof(Fred));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:8]: (error) Using 'memset' on class that contains a 'std::string'\n", errout.str());
|
||
|
||
checkNoMemset("class Fred\n"
|
||
"{\n"
|
||
" mutable std::string b; \n"
|
||
"};\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" Fred fred;\n"
|
||
" memset(&fred, 0, sizeof(Fred));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:8]: (error) Using 'memset' on class that contains a 'std::string'\n", errout.str());
|
||
|
||
checkNoMemset("class Fred\n"
|
||
"{\n"
|
||
"};\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" Fred fred;\n"
|
||
" memset(&fred, 0, sizeof(fred));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkNoMemset("class Fred\n"
|
||
"{\n"
|
||
" std::string s;\n"
|
||
"};\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" Fred fred;\n"
|
||
" memset(&fred, 0, sizeof(fred));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:8]: (error) Using 'memset' on class that contains a 'std::string'\n", errout.str());
|
||
|
||
checkNoMemset("class Fred\n"
|
||
"{\n"
|
||
" std::string s;\n"
|
||
"};\n"
|
||
"class Pebbles: public Fred {};\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" Pebbles pebbles;\n"
|
||
" memset(&pebbles, 0, sizeof(pebbles));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:9]: (error) Using 'memset' on class that contains a 'std::string'\n", errout.str());
|
||
|
||
checkNoMemset("class Fred\n"
|
||
"{\n"
|
||
" virtual ~Fred();\n"
|
||
"};\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" Fred fred;\n"
|
||
" memset(&fred, 0, sizeof(fred));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:8]: (error) Using 'memset' on class that contains a virtual method\n", errout.str());
|
||
|
||
checkNoMemset("class Fred\n"
|
||
"{\n"
|
||
" virtual ~Fred();\n"
|
||
"};\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" static Fred fred;\n"
|
||
" memset(&fred, 0, sizeof(fred));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:8]: (error) Using 'memset' on class that contains a virtual method\n", errout.str());
|
||
|
||
checkNoMemset("class Fred\n"
|
||
"{\n"
|
||
"};\n"
|
||
"class Wilma\n"
|
||
"{\n"
|
||
" virtual ~Wilma();\n"
|
||
"};\n"
|
||
"class Pebbles: public Fred, Wilma {};\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" Pebbles pebbles;\n"
|
||
" memset(&pebbles, 0, sizeof(pebbles));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:12]: (error) Using 'memset' on class that contains a virtual method\n", errout.str());
|
||
|
||
// Fred not defined in scope
|
||
checkNoMemset("namespace n1 {\n"
|
||
" class Fred\n"
|
||
" {\n"
|
||
" std::string b; \n"
|
||
" };\n"
|
||
"}\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" Fred fred;\n"
|
||
" memset(&fred, 0, sizeof(Fred));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// Fred with namespace qualifier
|
||
checkNoMemset("namespace n1 {\n"
|
||
" class Fred\n"
|
||
" {\n"
|
||
" std::string b; \n"
|
||
" };\n"
|
||
"}\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" n1::Fred fred;\n"
|
||
" memset(&fred, 0, sizeof(n1::Fred));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:10]: (error) Using 'memset' on class that contains a 'std::string'\n", errout.str());
|
||
|
||
// Fred with namespace qualifier
|
||
checkNoMemset("namespace n1 {\n"
|
||
" class Fred\n"
|
||
" {\n"
|
||
" std::string b; \n"
|
||
" };\n"
|
||
"}\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" n1::Fred fred;\n"
|
||
" memset(&fred, 0, sizeof(fred));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:10]: (error) Using 'memset' on class that contains a 'std::string'\n", errout.str());
|
||
}
|
||
|
||
void memsetOnStruct()
|
||
{
|
||
checkNoMemset("struct A\n"
|
||
"{\n"
|
||
"};\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" A a;\n"
|
||
" memset(&a, 0, sizeof(A));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkNoMemset("struct A\n"
|
||
"{\n"
|
||
"};\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" struct A a;\n"
|
||
" memset(&a, 0, sizeof(struct A));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkNoMemset("struct A\n"
|
||
"{\n"
|
||
"};\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" struct A a;\n"
|
||
" memset(&a, 0, sizeof(A));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkNoMemset("void f()\n"
|
||
"{\n"
|
||
" struct sockaddr_in6 fail;\n"
|
||
" memset(&fail, 0, sizeof(struct sockaddr_in6));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkNoMemset("struct A\n"
|
||
"{\n"
|
||
" void g( struct sockaddr_in6& a);\n"
|
||
"private:\n"
|
||
" std::string b; \n"
|
||
"};\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" struct A fail;\n"
|
||
" memset(&fail, 0, sizeof(struct A));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:10]: (error) Using 'memset' on struct that contains a 'std::string'\n", errout.str());
|
||
|
||
checkNoMemset("struct Fred\n"
|
||
"{\n"
|
||
" std::string s;\n"
|
||
"};\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" Fred fred;\n"
|
||
" memset(&fred, 0, sizeof(fred));\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:8]: (error) Using 'memset' on struct that contains a 'std::string'\n", errout.str());
|
||
|
||
checkNoMemset("struct Stringy {\n"
|
||
" std::string inner;\n"
|
||
"};\n"
|
||
"struct Foo {\n"
|
||
" Stringy s;\n"
|
||
"};\n"
|
||
"int main() {\n"
|
||
" Foo foo;\n"
|
||
" memset(&foo, 0, sizeof(Foo));\n"
|
||
"}\n");
|
||
|
||
ASSERT_EQUALS("[test.cpp:9]: (error) Using 'memset' on struct that contains a 'std::string'\n", errout.str());
|
||
}
|
||
|
||
void memsetVector()
|
||
{
|
||
checkNoMemset("class A\n"
|
||
"{ std::vector<int> ints; };\n"
|
||
"\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" A a;\n"
|
||
" memset(&a, 0, sizeof(A));\n"
|
||
"}");
|
||
ASSERT_EQUALS("[test.cpp:7]: (error) Using 'memset' on class that contains a 'std::vector'\n", errout.str());
|
||
|
||
checkNoMemset("struct A\n"
|
||
"{ std::vector<int> ints; };\n"
|
||
"\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" A a;\n"
|
||
" memset(&a, 0, sizeof(A));\n"
|
||
"}");
|
||
ASSERT_EQUALS("[test.cpp:7]: (error) Using 'memset' on struct that contains a 'std::vector'\n", errout.str());
|
||
|
||
checkNoMemset("struct A\n"
|
||
"{ std::vector<int> ints; };\n"
|
||
"\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" A a;\n"
|
||
" memset(&a, 0, sizeof(struct A));\n"
|
||
"}");
|
||
ASSERT_EQUALS("[test.cpp:7]: (error) Using 'memset' on struct that contains a 'std::vector'\n", errout.str());
|
||
|
||
checkNoMemset("struct A\n"
|
||
"{ std::vector<int> ints; };\n"
|
||
"\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" A a;\n"
|
||
" memset(&a, 0, sizeof(a));\n"
|
||
"}");
|
||
ASSERT_EQUALS("[test.cpp:7]: (error) Using 'memset' on struct that contains a 'std::vector'\n", errout.str());
|
||
|
||
checkNoMemset("class A\n"
|
||
"{ std::vector< std::vector<int> > ints; };\n"
|
||
"\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" A a;\n"
|
||
" memset(&a, 0, sizeof(A));\n"
|
||
"}");
|
||
ASSERT_EQUALS("[test.cpp:7]: (error) Using 'memset' on class that contains a 'std::vector'\n", errout.str());
|
||
|
||
checkNoMemset("struct A\n"
|
||
"{ std::vector< std::vector<int> > ints; };\n"
|
||
"\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" A a;\n"
|
||
" memset(&a, 0, sizeof(A));\n"
|
||
"}");
|
||
ASSERT_EQUALS("[test.cpp:7]: (error) Using 'memset' on struct that contains a 'std::vector'\n", errout.str());
|
||
|
||
checkNoMemset("struct A\n"
|
||
"{ std::vector< std::vector<int> > ints; };\n"
|
||
"\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" A a;\n"
|
||
" memset(&a, 0, sizeof(a));\n"
|
||
"}");
|
||
ASSERT_EQUALS("[test.cpp:7]: (error) Using 'memset' on struct that contains a 'std::vector'\n", errout.str());
|
||
|
||
checkNoMemset("struct A\n"
|
||
"{ std::vector<int *> ints; };\n"
|
||
"\n"
|
||
"void f()\n"
|
||
"{\n"
|
||
" A a;\n"
|
||
" memset(&a, 0, sizeof(A));\n"
|
||
"}");
|
||
ASSERT_EQUALS("[test.cpp:7]: (error) Using 'memset' on struct that contains a 'std::vector'\n", errout.str());
|
||
}
|
||
|
||
|
||
void checkThisSubtraction(const char code[])
|
||
{
|
||
// Clear the error log
|
||
errout.str("");
|
||
|
||
Settings settings;
|
||
settings._checkCodingStyle = true;
|
||
|
||
// Tokenize..
|
||
Tokenizer tokenizer(&settings, this);
|
||
std::istringstream istr(code);
|
||
tokenizer.tokenize(istr, "test.cpp");
|
||
tokenizer.simplifyTokenList();
|
||
|
||
// Check..
|
||
CheckClass checkClass(&tokenizer, &settings, this);
|
||
checkClass.thisSubtraction();
|
||
}
|
||
|
||
void this_subtraction()
|
||
{
|
||
checkThisSubtraction("; this-x ;");
|
||
ASSERT_EQUALS("[test.cpp:1]: (warning) Suspicious pointer subtraction\n", errout.str());
|
||
|
||
checkThisSubtraction("; *this = *this-x ;");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkThisSubtraction("; *this = *this-x ;\n"
|
||
"this-x ;");
|
||
ASSERT_EQUALS("[test.cpp:2]: (warning) Suspicious pointer subtraction\n", errout.str());
|
||
|
||
checkThisSubtraction("; *this = *this-x ;\n"
|
||
"this-x ;\n"
|
||
"this-x ;\n");
|
||
ASSERT_EQUALS("[test.cpp:2]: (warning) Suspicious pointer subtraction\n"
|
||
"[test.cpp:3]: (warning) Suspicious pointer subtraction\n", errout.str());
|
||
}
|
||
|
||
void checkConst(const char code[], const Settings *s = 0)
|
||
{
|
||
// Clear the error log
|
||
errout.str("");
|
||
|
||
// Check..
|
||
Settings settings;
|
||
if (s)
|
||
settings = *s;
|
||
else
|
||
settings.addEnabled("information");
|
||
|
||
// Tokenize..
|
||
Tokenizer tokenizer(&settings, this);
|
||
std::istringstream istr(code);
|
||
tokenizer.tokenize(istr, "test.cpp");
|
||
tokenizer.simplifyTokenList();
|
||
|
||
CheckClass checkClass(&tokenizer, &settings, this);
|
||
checkClass.checkConst();
|
||
}
|
||
|
||
void const1()
|
||
{
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
" int getA() { return a; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::getA' can be const.\n", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" const std::string foo() { return ""; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:2]: (information) Technically the member function 'Fred::foo' can be const.\n", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" const std::string & foo() { return ""; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::foo' can be const.\n", errout.str());
|
||
|
||
// constructors can't be const..
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
"public:\n"
|
||
" Fred() { }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment through |=..
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
" int setA() { a |= true; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// functions with a function call can't be const..
|
||
checkConst("class foo\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" int x;\n"
|
||
" void b() { a(); }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// static functions can't be const..
|
||
checkConst("class foo\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" static unsigned get()\n"
|
||
" { return 0; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" const std::string foo() const throw() { return ""; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const2()
|
||
{
|
||
// ticket 1344
|
||
// assignment to variable can't be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo() { s = ""; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment to function argument reference can be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string & a) { a = s; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::foo' can be const.\n", errout.str());
|
||
|
||
// assignment to variable can't be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string & a) { s = a; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment to function argument references can be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string & a, std::string & b) { a = s; b = s; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::foo' can be const.\n", errout.str());
|
||
|
||
// assignment to variable, can't be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string & a, std::string & b) { s = a; s = b; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment to variable, can't be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string & a, std::string & b) { s = a; b = s; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment to variable, can't be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string & a, std::string & b) { a = s; s = b; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const3()
|
||
{
|
||
// assignment to function argument pointer can be const
|
||
checkConst("class Fred {\n"
|
||
" int s;\n"
|
||
" void foo(int * a) { *a = s; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::foo' can be const.\n", errout.str());
|
||
|
||
// assignment to variable, can't be const
|
||
checkConst("class Fred {\n"
|
||
" int s;\n"
|
||
" void foo(int * a) { s = *a; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment to function argument pointers can be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string * a, std::string * b) { *a = s; *b = s; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::foo' can be const.\n", errout.str());
|
||
|
||
// assignment to variable, can't be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string * a, std::string * b) { s = *a; s = *b; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment to variable, can't be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string * a, std::string * b) { s = *a; *b = s; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment to variable, can't be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string * a, std::string * b) { *a = s; s = b; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const4()
|
||
{
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
" int getA();\n"
|
||
"};\n"
|
||
"int Fred::getA() { return a; }");
|
||
ASSERT_EQUALS("[test.cpp:5] -> [test.cpp:3]: (information) Technically the member function 'Fred::getA' can be const.\n", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" const std::string foo();\n"
|
||
"};\n"
|
||
"const std::string Fred::foo() { return ""; }");
|
||
ASSERT_EQUALS("[test.cpp:4] -> [test.cpp:2]: (information) Technically the member function 'Fred::foo' can be const.\n", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" const std::string & foo();\n"
|
||
"};\n"
|
||
"const std::string & Fred::foo() { return ""; }");
|
||
ASSERT_EQUALS("[test.cpp:5] -> [test.cpp:3]: (information) Technically the member function 'Fred::foo' can be const.\n", errout.str());
|
||
|
||
// constructors can't be const..
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
"public:\n"
|
||
" Fred()\n"
|
||
"};\n"
|
||
"Fred::Fred() { }");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment through |=..
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
" int setA();\n"
|
||
"};\n"
|
||
"int Fred::setA() { a |= true; }");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// functions with a function call can't be const..
|
||
checkConst("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" int x;\n"
|
||
" void b();\n"
|
||
"};\n"
|
||
"void Fred::b() { a(); }");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// static functions can't be const..
|
||
checkConst("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" static unsigned get();\n"
|
||
"};\n"
|
||
"static unsigned Fred::get() { return 0; }");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment to variable can't be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo();\n"
|
||
"};\n"
|
||
"void Fred::foo() { s = ""; }");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment to function argument reference can be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string & a);\n"
|
||
"};\n"
|
||
"void Fred::foo(std::string & a) { a = s; }");
|
||
ASSERT_EQUALS("[test.cpp:5] -> [test.cpp:3]: (information) Technically the member function 'Fred::foo' can be const.\n", errout.str());
|
||
|
||
// assignment to variable can't be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string & a);\n"
|
||
"};\n"
|
||
"void Fred::foo(std::string & a) { s = a; }");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment to function argument references can be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string & a, std::string & b);\n"
|
||
"};\n"
|
||
"void Fred::foo(std::string & a, std::string & b) { a = s; b = s; }");
|
||
ASSERT_EQUALS("[test.cpp:5] -> [test.cpp:3]: (information) Technically the member function 'Fred::foo' can be const.\n", errout.str());
|
||
|
||
// assignment to variable, can't be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string & a, std::string & b);\n"
|
||
"};\n"
|
||
"void Fred::foo(std::string & a, std::string & b) { s = a; s = b; }");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment to variable, can't be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string & a, std::string & b);\n"
|
||
"};\n"
|
||
"void Fred::foo(std::string & a, std::string & b) { s = a; b = s; }");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment to variable, can't be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string & a, std::string & b);\n"
|
||
"};\n"
|
||
"void Fred::foo(std::string & a, std::string & b) { a = s; s = b; }");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment to function argument pointer can be const
|
||
checkConst("class Fred {\n"
|
||
" int s;\n"
|
||
" void foo(int * a);\n"
|
||
"};\n"
|
||
"void Fred::foo(int * a) { *a = s; }");
|
||
ASSERT_EQUALS("[test.cpp:5] -> [test.cpp:3]: (information) Technically the member function 'Fred::foo' can be const.\n", errout.str());
|
||
|
||
// assignment to variable, can't be const
|
||
checkConst("class Fred {\n"
|
||
" int s;\n"
|
||
" void foo(int * a);\n"
|
||
"};\n"
|
||
"void Fred::foo(int * a) { s = *a; }");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment to function argument pointers can be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string * a, std::string * b);\n"
|
||
"};\n"
|
||
"void Fred::foo(std::string * a, std::string * b) { *a = s; *b = s; }");
|
||
ASSERT_EQUALS("[test.cpp:5] -> [test.cpp:3]: (information) Technically the member function 'Fred::foo' can be const.\n", errout.str());
|
||
|
||
// assignment to variable, can't be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string * a, std::string * b);\n"
|
||
"};\n"
|
||
"void Fred::foo(std::string * a, std::string * b) { s = *a; s = *b; }");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment to variable, can't be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string * a, std::string * b);\n"
|
||
"};\n"
|
||
"void Fred::foo(std::string * a, std::string * b) { s = *a; *b = s; }");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment to variable, can't be const
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo(std::string * a, std::string * b);\n"
|
||
"};\n"
|
||
"void Fred::foo(std::string * a, std::string * b) { *a = s; s = b; }");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// check functions with same name
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo();\n"
|
||
" void foo(std::string & a);\n"
|
||
" void foo(const std::string & a);\n"
|
||
"};\n"
|
||
"void Fred::foo() { }"
|
||
"void Fred::foo(std::string & a) { a = s; }"
|
||
"void Fred::foo(const std::string & a) { s = a; }");
|
||
ASSERT_EQUALS("[test.cpp:7] -> [test.cpp:3]: (information) Technically the member function 'Fred::foo' can be const.\n"
|
||
"[test.cpp:7] -> [test.cpp:4]: (information) Technically the member function 'Fred::foo' can be const.\n", errout.str());
|
||
|
||
// check functions with different or missing parameter names
|
||
checkConst("class Fred {\n"
|
||
" std::string s;\n"
|
||
" void foo1(int, int);\n"
|
||
" void foo2(int a, int b);\n"
|
||
" void foo3(int, int b);\n"
|
||
" void foo4(int a, int);\n"
|
||
" void foo5(int a, int b);\n"
|
||
"};\n"
|
||
"void Fred::foo1(int a, int b) { }\n"
|
||
"void Fred::foo2(int c, int d) { }\n"
|
||
"void Fred::foo3(int a, int b) { }\n"
|
||
"void Fred::foo4(int a, int b) { }\n"
|
||
"void Fred::foo5(int, int) { }");
|
||
ASSERT_EQUALS("[test.cpp:9] -> [test.cpp:3]: (information) Technically the member function 'Fred::foo1' can be const.\n"
|
||
"[test.cpp:10] -> [test.cpp:4]: (information) Technically the member function 'Fred::foo2' can be const.\n"
|
||
"[test.cpp:11] -> [test.cpp:5]: (information) Technically the member function 'Fred::foo3' can be const.\n"
|
||
"[test.cpp:12] -> [test.cpp:6]: (information) Technically the member function 'Fred::foo4' can be const.\n"
|
||
"[test.cpp:13] -> [test.cpp:7]: (information) Technically the member function 'Fred::foo5' can be const.\n", errout.str());
|
||
|
||
// check nested classes
|
||
checkConst("class Fred {\n"
|
||
" class A {\n"
|
||
" int a;\n"
|
||
" int getA() { return a; }\n"
|
||
" };\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'Fred::A::getA' can be const.\n", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" class A {\n"
|
||
" int a;\n"
|
||
" int getA();\n"
|
||
" };\n"
|
||
" int A::getA() { return a; }\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:6] -> [test.cpp:4]: (information) Technically the member function 'Fred::A::getA' can be const.\n", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" class A {\n"
|
||
" int a;\n"
|
||
" int getA();\n"
|
||
" };\n"
|
||
"};\n"
|
||
"int Fred::A::getA() { return a; }");
|
||
ASSERT_EQUALS("[test.cpp:7] -> [test.cpp:4]: (information) Technically the member function 'Fred::A::getA' can be const.\n", errout.str());
|
||
|
||
// check deeply nested classes
|
||
checkConst("class Fred {\n"
|
||
" class B {\n"
|
||
" int b;\n"
|
||
" int getB() { return b; }\n"
|
||
" class A {\n"
|
||
" int a;\n"
|
||
" int getA() { return a; }\n"
|
||
" };\n"
|
||
" };\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'Fred::B::getB' can be const.\n"
|
||
"[test.cpp:7]: (information) Technically the member function 'Fred::B::A::getA' can be const.\n"
|
||
, errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" class B {\n"
|
||
" int b;\n"
|
||
" int getB();\n"
|
||
" class A {\n"
|
||
" int a;\n"
|
||
" int getA();\n"
|
||
" };\n"
|
||
" int A::getA() { return a; }\n"
|
||
" };\n"
|
||
" int B::getB() { return b; }\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:11] -> [test.cpp:4]: (information) Technically the member function 'Fred::B::getB' can be const.\n"
|
||
"[test.cpp:9] -> [test.cpp:7]: (information) Technically the member function 'Fred::B::A::getA' can be const.\n" , errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" class B {\n"
|
||
" int b;\n"
|
||
" int getB();\n"
|
||
" class A {\n"
|
||
" int a;\n"
|
||
" int getA();\n"
|
||
" };\n"
|
||
" };\n"
|
||
" int B::A::getA() { return a; }\n"
|
||
" int B::getB() { return b; }\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:11] -> [test.cpp:4]: (information) Technically the member function 'Fred::B::getB' can be const.\n"
|
||
"[test.cpp:10] -> [test.cpp:7]: (information) Technically the member function 'Fred::B::A::getA' can be const.\n" , errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" class B {\n"
|
||
" int b;\n"
|
||
" int getB();\n"
|
||
" class A {\n"
|
||
" int a;\n"
|
||
" int getA();\n"
|
||
" };\n"
|
||
" };\n"
|
||
"};\n"
|
||
"int Fred::B::A::getA() { return a; }\n"
|
||
"int Fred::B::getB() { return b; }\n");
|
||
ASSERT_EQUALS("[test.cpp:12] -> [test.cpp:4]: (information) Technically the member function 'Fred::B::getB' can be const.\n"
|
||
"[test.cpp:11] -> [test.cpp:7]: (information) Technically the member function 'Fred::B::A::getA' can be const.\n" , errout.str());
|
||
}
|
||
|
||
// operator< can often be const
|
||
void constoperator1()
|
||
{
|
||
checkConst("struct Fred {\n"
|
||
" int a;\n"
|
||
" bool operator<(const Fred &f) { return (a < f.a); }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::operator<' can be const.\n", errout.str());
|
||
}
|
||
|
||
// operator<<
|
||
void constoperator2()
|
||
{
|
||
checkConst("struct Foo {\n"
|
||
" void operator<<(int);\n"
|
||
"};\n"
|
||
"struct Fred {\n"
|
||
" Foo foo;\n"
|
||
" void x()\n"
|
||
" {\n"
|
||
" foo << 123;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void constoperator3()
|
||
{
|
||
checkConst("struct Fred {\n"
|
||
" int array[10];\n"
|
||
" int const & operator [] (unsigned int index) const { return array[index]; }\n"
|
||
" int & operator [] (unsigned int index) { return array[index]; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("struct Fred {\n"
|
||
" int array[10];\n"
|
||
" int const & operator [] (unsigned int index) { return array[index]; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::operator[]' can be const.\n", errout.str());
|
||
}
|
||
|
||
void constoperator4()
|
||
{
|
||
checkConst("struct Fred {\n"
|
||
" int array[10];\n"
|
||
" typedef int* (Fred::*UnspecifiedBoolType);\n"
|
||
" operator UnspecifiedBoolType() { };\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'Fred::operatorint**' can be const.\n", errout.str());
|
||
|
||
checkConst("struct Fred {\n"
|
||
" int array[10];\n"
|
||
" typedef int* (Fred::*UnspecifiedBoolType);\n"
|
||
" operator UnspecifiedBoolType() { array[0] = 0; };\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const5()
|
||
{
|
||
// ticket #1482
|
||
checkConst("class A {\n"
|
||
" int a;\n"
|
||
" bool foo(int i)\n"
|
||
" {\n"
|
||
" bool same;\n"
|
||
" same = (i == a);\n"
|
||
" return same;\n"
|
||
" }\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'A::foo' can be const.\n", errout.str());
|
||
}
|
||
|
||
void const6()
|
||
{
|
||
// ticket # 1491
|
||
checkConst("class foo {\n"
|
||
"public:\n"
|
||
"};\n"
|
||
"void bar() {}");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" void foo() { }\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'Fred::foo' can be const.\n", errout.str());
|
||
|
||
checkConst("struct fast_string\n"
|
||
"{\n"
|
||
" union\n"
|
||
" {\n"
|
||
" char buff[100];\n"
|
||
" };\n"
|
||
" void set_type(char t);\n"
|
||
"};\n"
|
||
"inline void fast_string::set_type(char t)\n"
|
||
"{\n"
|
||
" buff[10] = t;\n"
|
||
"}");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const7()
|
||
{
|
||
checkConst("class foo {\n"
|
||
" int a;\n"
|
||
"public:\n"
|
||
" void set(int i) { a = i; }\n"
|
||
" void set(const foo & f) { *this = f; }\n"
|
||
"};\n"
|
||
"void bar() {}");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const8()
|
||
{
|
||
// ticket #1517
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A():m_strValue(""){}\n"
|
||
" std::string strGetString() { return m_strValue; }\n"
|
||
"private:\n"
|
||
" std::string m_strValue;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::strGetString' can be const.\n", errout.str());
|
||
}
|
||
|
||
void const9()
|
||
{
|
||
// ticket #1515
|
||
checkConst("class wxThreadInternal {\n"
|
||
"public:\n"
|
||
" void SetExitCode(wxThread::ExitCode exitcode) { m_exitcode = exitcode; }\n"
|
||
"private:\n"
|
||
" wxThread::ExitCode m_exitcode;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const10()
|
||
{
|
||
// ticket #1522
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" int foo() { return x = 0; }\n"
|
||
"private:\n"
|
||
" int x;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" int foo() { return (x ? x : x = 0); }\n"
|
||
"private:\n"
|
||
" int x;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" int foo() { return (x ? x = 0 : x); }\n"
|
||
"private:\n"
|
||
" int x;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const11()
|
||
{
|
||
// ticket #1529
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" void set(struct tm time) { m_time = time; }\n"
|
||
"private:\n"
|
||
" struct tm m_time;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const12()
|
||
{
|
||
// ticket #1525
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" int foo() { x = 0; }\n"
|
||
"private:\n"
|
||
" mutable int x;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'A::foo' can be const.\n", errout.str());
|
||
}
|
||
|
||
void const13()
|
||
{
|
||
// ticket #1519
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" std::vector<int> GetVec() {return m_vec;}\n"
|
||
" std::pair<int,double> GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::vector<int> m_vec;\n"
|
||
" std::pair<int,double> m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetVec' can be const.\n"
|
||
"[test.cpp:5]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" const std::vector<int> & GetVec() {return m_vec;}\n"
|
||
" const std::pair<int,double> & GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::vector<int> m_vec;\n"
|
||
" std::pair<int,double> m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetVec' can be const.\n"
|
||
"[test.cpp:5]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
}
|
||
|
||
void const14()
|
||
{
|
||
// extends ticket 1519
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" std::pair<std::vector<int>,double> GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::pair<std::vector<int>,double> m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" const std::pair<std::vector<int>,double>& GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::pair<std::vector<int>,double> m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" std::pair<std::vector<int>,double>& GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::pair<std::vector<int>,double> m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" pair<int ,double> GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair<int ,double> m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" const pair<int ,double> & GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair<int ,double> m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" pair<int ,double> & GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair<int ,double> m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" std::pair< int,std::vector<int> > GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::pair< int,std::vector<int> > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" const std::pair< int,std::vector<int> >& GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::pair< int,std::vector<int> > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" std::pair< int,std::vector<int> >& GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::pair< int,std::vector<int> > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" pair< int,vector<int> > GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair< int,vector<int> > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" const pair< int,vector<int> >& GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair< int,vector<int> > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" pair< int,vector<int> >& GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair< int,vector<int> > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" pair< vector<int>, int > GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair< vector<int>, int > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" const pair< vector<int>, int >& GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair< vector<int>, int > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" pair< vector<int>, int >& GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair< vector<int>, int > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" std::pair< std::vector<int>,std::vector<int> > GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::pair< std::vector<int>,std::vector<int> > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" const std::pair< std::vector<int>,std::vector<int> >& GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::pair< std::vector<int>,std::vector<int> > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" std::pair< std::vector<int>,std::vector<int> >& GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::pair< std::vector<int>,std::vector<int> > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" pair< vector<int>, vector<int> > GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair< vector<int>, vector<int> > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" const pair< vector<int>, vector<int> >& GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair< vector<int>, vector<int> > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" pair< vector<int>, vector<int> >& GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair< vector<int>, vector<int> > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" std::pair< std::pair < int, char > , int > GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::pair< std::pair < int, char > , int > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" const std::pair< std::pair < int, char > , int > & GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::pair< std::pair < int, char > , int > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" std::pair< std::pair < int, char > , int > & GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::pair< std::pair < int, char > , int > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" pair< pair < int, char > , int > GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair< pair < int, char > , int > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" const pair< pair < int, char > , int > & GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair< pair < int, char > , int > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" pair< pair < int, char > , int > & GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair< pair < int, char > , int > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" pair< int , pair < int, char > > GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair< int , pair < int, char > > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" const pair< int , pair < int, char > > & GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair< int , pair < int, char > > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" pair< int , pair < int, char > > & GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" pair< int , pair < int, char > > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" std::pair< int , std::pair < int, char > > GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::pair< int , std::pair < int, char > > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" const std::pair< int , std::pair < int, char > >& GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::pair< int , std::pair < int, char > > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetPair' can be const.\n", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" std::pair< int , std::pair < int, char > >& GetPair() {return m_pair;}\n"
|
||
"private:\n"
|
||
" std::pair< int , std::pair < int, char > > m_pair;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" vector<int> GetVec() {return m_Vec;}\n"
|
||
"private:\n"
|
||
" vector<int> m_Vec;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetVec' can be const.\n", errout.str());
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" const vector<int>& GetVec() {return m_Vec;}\n"
|
||
"private:\n"
|
||
" vector<int> m_Vec;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::GetVec' can be const.\n", errout.str());
|
||
|
||
checkConst("using namespace std;"
|
||
"class A {\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" vector<int>& GetVec() {return m_Vec;}\n"
|
||
"private:\n"
|
||
" vector<int> m_Vec;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" int * const * foo() { return &x; }\n"
|
||
"private:\n"
|
||
" const int * x;\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" const int ** foo() { return &x; }\n"
|
||
"private:\n"
|
||
" const int * x;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'A::foo' can be const.\n", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" const int * const * foo() { return &x; }\n"
|
||
"private:\n"
|
||
" const int * x;\n"
|
||
"};");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'A::foo' can be const.\n", errout.str());
|
||
}
|
||
|
||
void const15()
|
||
{
|
||
checkConst("class Fred {\n"
|
||
" unsigned long long int a;\n"
|
||
" unsigned long long int getA() { return a; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::getA' can be const.\n", errout.str());
|
||
|
||
// constructors can't be const..
|
||
checkConst("class Fred {\n"
|
||
" unsigned long long int a;\n"
|
||
"public:\n"
|
||
" Fred() { }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// assignment through |=..
|
||
checkConst("class Fred {\n"
|
||
" unsigned long long int a;\n"
|
||
" unsigned long long int setA() { a |= true; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// functions with a function call can't be const..
|
||
checkConst("class foo\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" unsigned long long int x;\n"
|
||
" void b() { a(); }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// static functions can't be const..
|
||
checkConst("class foo\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" static unsigned long long int get()\n"
|
||
" { return 0; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const16()
|
||
{
|
||
// ticket #1551
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
" void set(int i) { Fred::a = i; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const17()
|
||
{
|
||
// ticket #1552
|
||
checkConst("class Fred {\n"
|
||
"public:\n"
|
||
" void set(int i, int j) { a[i].k = i; }\n"
|
||
"private:\n"
|
||
" struct { int k; } a[4];\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const18()
|
||
{
|
||
// ticket #1563
|
||
checkConst("class Fred {\n"
|
||
"static int x;\n"
|
||
"public:\n"
|
||
" void set(int i) { x = i; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const19()
|
||
{
|
||
// ticket #1612
|
||
checkConst("using namespace std;\n"
|
||
"class Fred {\n"
|
||
"private:\n"
|
||
" std::string s;\n"
|
||
"public:\n"
|
||
" void set(std::string ss) { s = ss; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const20()
|
||
{
|
||
// ticket #1602
|
||
checkConst("class Fred {\n"
|
||
" int x : 3;\n"
|
||
"public:\n"
|
||
" void set(int i) { x = i; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" list<int *> x;\n"
|
||
"public:\n"
|
||
" list<int *> get() { return x; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" list<const int *> x;\n"
|
||
"public:\n"
|
||
" list<const int *> get() { return x; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'Fred::get' can be const.\n", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" std::list<std::string &> x;\n"
|
||
"public:\n"
|
||
" std::list<std::string &> get() { return x; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" std::list<const std::string &> x;\n"
|
||
"public:\n"
|
||
" std::list<const std::string &> get() { return x; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'Fred::get' can be const.\n", errout.str());
|
||
}
|
||
|
||
void const21()
|
||
{
|
||
// ticket #1683
|
||
checkConst("class A\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" const char * l1[10];\n"
|
||
"public:\n"
|
||
" A()\n"
|
||
" {\n"
|
||
" for (int i = 0 ; i < 10; l1[i] = NULL, i++);\n"
|
||
" }\n"
|
||
" void f1() { l1[0] = \"Hello\"; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const22()
|
||
{
|
||
checkConst("class A\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" B::C * v1;\n"
|
||
"public:\n"
|
||
" void f1() { v1 = 0; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class A\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" B::C * v1[0];\n"
|
||
"public:\n"
|
||
" void f1() { v1[0] = 0; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const23()
|
||
{
|
||
checkConst("class Class {\n"
|
||
"public:\n"
|
||
" typedef Template<double> Type;\n"
|
||
" typedef Template2<Type> Type2;\n"
|
||
" void set_member(Type2 m) { _m = m; }\n"
|
||
"private:\n"
|
||
" Type2 _m;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const24()
|
||
{
|
||
checkConst("class Class {\n"
|
||
"public:\n"
|
||
"void Settings::SetSetting(QString strSetting, QString strNewVal)\n"
|
||
"{\n"
|
||
" (*m_pSettings)[strSetting] = strNewVal;\n"
|
||
"}\n"
|
||
"private:\n"
|
||
" std::map<QString, QString> *m_pSettings;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
|
||
void const25() // ticket #1724
|
||
{
|
||
checkConst("class A{\n"
|
||
"public:\n"
|
||
"A(){m_strVal="";}\n"
|
||
"std::string strGetString() const\n"
|
||
"{return m_strVal.c_str();}\n"
|
||
"const std::string strGetString1() const\n"
|
||
"{return m_strVal.c_str();}\n"
|
||
"private:\n"
|
||
"std::string m_strVal;\n"
|
||
"};\n"
|
||
);
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class A{\n"
|
||
"public:\n"
|
||
"A(){m_strVal="";}\n"
|
||
"std::string strGetString()\n"
|
||
"{return m_strVal.c_str();}\n"
|
||
"private:\n"
|
||
"std::string m_strVal;\n"
|
||
"};\n"
|
||
);
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::strGetString' can be const.\n", errout.str());
|
||
|
||
checkConst("class A{\n"
|
||
"public:\n"
|
||
"A(){m_strVal="";}\n"
|
||
"const std::string strGetString1()\n"
|
||
"{return m_strVal.c_str();}\n"
|
||
"private:\n"
|
||
"std::string m_strVal;\n"
|
||
"};\n"
|
||
);
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::strGetString1' can be const.\n", errout.str());
|
||
|
||
|
||
checkConst("class A{\n"
|
||
"public:\n"
|
||
"A(){m_strVec.push_back("");}\n"
|
||
"size_t strGetSize()\n"
|
||
"{return m_strVec.size();}\n"
|
||
"private:\n"
|
||
"std::vector<std::string> m_strVec;\n"
|
||
"};\n"
|
||
);
|
||
TODO_ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'A::strGetSize' can be const.\n",
|
||
"", errout.str());
|
||
}
|
||
|
||
void const26() // ticket #1847
|
||
{
|
||
checkConst("class DelayBase {\n"
|
||
"public:\n"
|
||
"void swapSpecificDelays(int index1, int index2) {\n"
|
||
" std::swap<float>(delays_[index1], delays_[index2]);\n"
|
||
"}\n"
|
||
"float delays_[4];\n"
|
||
"};\n"
|
||
);
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const27() // ticket #1882
|
||
{
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" A(){m_d=1.0; m_iRealVal=2.0;}\n"
|
||
" double dGetValue();\n"
|
||
"private:\n"
|
||
" double m_d;\n"
|
||
" double m_iRealVal;\n"
|
||
"};\n"
|
||
"double A::dGetValue() {\n"
|
||
" double dRet = m_iRealVal;\n"
|
||
" if( m_d != 0 )\n"
|
||
" return dRet / m_d;\n"
|
||
" return dRet;\n"
|
||
"};\n"
|
||
);
|
||
ASSERT_EQUALS("[test.cpp:9] -> [test.cpp:4]: (information) Technically the member function 'A::dGetValue' can be const.\n", errout.str());
|
||
}
|
||
|
||
void const28() // ticket #1883
|
||
{
|
||
checkConst("class P {\n"
|
||
"public:\n"
|
||
" P() { x=0.0; y=0.0; }\n"
|
||
" double x,y;\n"
|
||
"};\n"
|
||
"class A : public P {\n"
|
||
"public:\n"
|
||
" A():P(){}\n"
|
||
" void SetPos(double xPos, double yPos) {\n"
|
||
" x=xPos;\n"
|
||
" y=yPos;\n"
|
||
" }\n"
|
||
"};\n"
|
||
);
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class AA : public P {\n"
|
||
"public:\n"
|
||
" AA():P(){}\n"
|
||
" inline void vSetXPos(int x_)\n"
|
||
" {\n"
|
||
" UnknownScope::x = x_;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class AA {\n"
|
||
"public:\n"
|
||
" AA():P(){}\n"
|
||
" inline void vSetXPos(int x_)\n"
|
||
" {\n"
|
||
" UnknownScope::x = x_;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:4]: (information) Technically the member function 'AA::vSetXPos' can be const.\n", errout.str());
|
||
|
||
}
|
||
|
||
void const29() // ticket #1922
|
||
{
|
||
checkConst("class test {\n"
|
||
" public:\n"
|
||
" test();\n"
|
||
" const char* get() const;\n"
|
||
" char* get();\n"
|
||
" private:\n"
|
||
" char* value_;\n"
|
||
"};\n"
|
||
"test::test()\n"
|
||
"{\n"
|
||
" value_ = 0;\n"
|
||
"}\n"
|
||
"const char* test::get() const\n"
|
||
"{\n"
|
||
" return value_;\n"
|
||
"}\n"
|
||
"char* test::get()\n"
|
||
"{\n"
|
||
" return value_;\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const30()
|
||
{
|
||
// check for false negatives
|
||
checkConst("class Base {\n"
|
||
"public:\n"
|
||
" int a;\n"
|
||
"};\n"
|
||
"class Derived : public Base {\n"
|
||
"public:\n"
|
||
" int get() {\n"
|
||
" return a;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:7]: (information) Technically the member function 'Derived::get' can be const.\n", errout.str());
|
||
|
||
checkConst("class Base1 {\n"
|
||
"public:\n"
|
||
" int a;\n"
|
||
"};\n"
|
||
"class Base2 {\n"
|
||
"public:\n"
|
||
" int b;\n"
|
||
"};\n"
|
||
"class Derived : public Base1, public Base2 {\n"
|
||
"public:\n"
|
||
" int getA() {\n"
|
||
" return a;\n"
|
||
" }\n"
|
||
" int getB() {\n"
|
||
" return b;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:11]: (information) Technically the member function 'Derived::getA' can be const.\n"
|
||
"[test.cpp:14]: (information) Technically the member function 'Derived::getB' can be const.\n", errout.str());
|
||
|
||
checkConst("class Base {\n"
|
||
"public:\n"
|
||
" int a;\n"
|
||
"};\n"
|
||
"class Derived1 : public Base { };\n"
|
||
"class Derived2 : public Derived1 {\n"
|
||
"public:\n"
|
||
" int get() {\n"
|
||
" return a;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:8]: (information) Technically the member function 'Derived2::get' can be const.\n", errout.str());
|
||
|
||
checkConst("class Base {\n"
|
||
"public:\n"
|
||
" int a;\n"
|
||
"};\n"
|
||
"class Derived1 : public Base { };\n"
|
||
"class Derived2 : public Derived1 { };\n"
|
||
"class Derived3 : public Derived2 { };\n"
|
||
"class Derived4 : public Derived3 {\n"
|
||
"public:\n"
|
||
" int get() {\n"
|
||
" return a;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:10]: (information) Technically the member function 'Derived4::get' can be const.\n", errout.str());
|
||
|
||
// check for false positives
|
||
checkConst("class Base {\n"
|
||
"public:\n"
|
||
" int a;\n"
|
||
"};\n"
|
||
"class Derived : public Base {\n"
|
||
"public:\n"
|
||
" int get() const {\n"
|
||
" return a;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Base1 {\n"
|
||
"public:\n"
|
||
" int a;\n"
|
||
"};\n"
|
||
"class Base2 {\n"
|
||
"public:\n"
|
||
" int b;\n"
|
||
"};\n"
|
||
"class Derived : public Base1, public Base2 {\n"
|
||
"public:\n"
|
||
" int getA() const {\n"
|
||
" return a;\n"
|
||
" }\n"
|
||
" int getB() const {\n"
|
||
" return b;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Base {\n"
|
||
"public:\n"
|
||
" int a;\n"
|
||
"};\n"
|
||
"class Derived1 : public Base { };\n"
|
||
"class Derived2 : public Derived1 {\n"
|
||
"public:\n"
|
||
" int get() const {\n"
|
||
" return a;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Base {\n"
|
||
"public:\n"
|
||
" int a;\n"
|
||
"};\n"
|
||
"class Derived1 : public Base { };\n"
|
||
"class Derived2 : public Derived1 { };\n"
|
||
"class Derived3 : public Derived2 { };\n"
|
||
"class Derived4 : public Derived3 {\n"
|
||
"public:\n"
|
||
" int get() const {\n"
|
||
" return a;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const31()
|
||
{
|
||
checkConst("namespace std { }\n"
|
||
"class Fred {\n"
|
||
"public:\n"
|
||
" int a;\n"
|
||
" int get() { return a; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:5]: (information) Technically the member function 'Fred::get' can be const.\n", errout.str());
|
||
}
|
||
|
||
void const32()
|
||
{
|
||
checkConst("class Fred {\n"
|
||
"public:\n"
|
||
" std::string a[10];\n"
|
||
" void seta() { a[0] = \"\"; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const33()
|
||
{
|
||
checkConst("class derived : public base {\n"
|
||
"public:\n"
|
||
" void f(){}\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const34() // ticket #1964
|
||
{
|
||
checkConst("class Bar {\n"
|
||
" void init(Foo * foo) {\n"
|
||
" foo.bar = this;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const35() // ticket #2001
|
||
{
|
||
checkConst("namespace N\n"
|
||
"{\n"
|
||
" class Base\n"
|
||
" {\n"
|
||
" };\n"
|
||
"}\n"
|
||
"namespace N\n"
|
||
"{\n"
|
||
" class Derived : public Base\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" int getResourceName() { return var; }\n"
|
||
" int var;\n"
|
||
" };\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:12]: (information) Technically the member function 'N::Derived::getResourceName' can be const.\n", errout.str());
|
||
|
||
checkConst("namespace N\n"
|
||
"{\n"
|
||
" class Base\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" int getResourceName();\n"
|
||
" int var;\n"
|
||
" };\n"
|
||
"}\n"
|
||
"int N::Base::getResourceName() { return var; }\n");
|
||
ASSERT_EQUALS("[test.cpp:10] -> [test.cpp:6]: (information) Technically the member function 'N::Base::getResourceName' can be const.\n", errout.str());
|
||
|
||
checkConst("namespace N\n"
|
||
"{\n"
|
||
" class Base\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" int getResourceName();\n"
|
||
" int var;\n"
|
||
" };\n"
|
||
"}\n"
|
||
"namespace N\n"
|
||
"{\n"
|
||
" int Base::getResourceName() { return var; }\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("[test.cpp:12] -> [test.cpp:6]: (information) Technically the member function 'N::Base::getResourceName' can be const.\n", errout.str());
|
||
|
||
checkConst("namespace N\n"
|
||
"{\n"
|
||
" class Base\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" int getResourceName();\n"
|
||
" int var;\n"
|
||
" };\n"
|
||
"}\n"
|
||
"using namespace N;\n"
|
||
"int Base::getResourceName() { return var; }\n");
|
||
TODO_ASSERT_EQUALS("[test.cpp:11] -> [test.cpp:6]: (information) Technically the member function 'N::Base::getResourceName' can be const.\n",
|
||
"", errout.str());
|
||
}
|
||
|
||
void const36() // ticket #2003
|
||
{
|
||
checkConst("class Foo {\n"
|
||
"public:\n"
|
||
" Blue::Utility::Size m_MaxQueueSize;\n"
|
||
" void SetMaxQueueSize(Blue::Utility::Size a_MaxQueueSize)\n"
|
||
" {\n"
|
||
" m_MaxQueueSize = a_MaxQueueSize;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const37() // ticket #2081 and #2085
|
||
{
|
||
checkConst("class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" A(){};\n"
|
||
" std::string operator+(const char *c)\n"
|
||
" {\n"
|
||
" return m_str+std::string(c);\n"
|
||
" }\n"
|
||
"private:\n"
|
||
" std::string m_str;\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:5]: (information) Technically the member function 'A::operator+' can be const.\n", errout.str());
|
||
|
||
checkConst("class Fred\n"
|
||
"{\n"
|
||
"private:\n"
|
||
" long x;\n"
|
||
"public:\n"
|
||
" Fred() {\n"
|
||
" x = 0;\n"
|
||
" }\n"
|
||
" bool isValid() {\n"
|
||
" return bool(x == 0x11224488);\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:9]: (information) Technically the member function 'Fred::isValid' can be const.\n", errout.str());
|
||
}
|
||
|
||
void const38() // ticket #2135
|
||
{
|
||
checkConst("class Foo {\n"
|
||
"public:\n"
|
||
" ~Foo() { delete oArq; }\n"
|
||
" Foo(): oArq(new std::ofstream(\"...\")) {}\n"
|
||
" void MyMethod();\n"
|
||
"private:\n"
|
||
" std::ofstream *oArq;\n"
|
||
"};\n"
|
||
"void Foo::MyMethod()\n"
|
||
"{\n"
|
||
" (*oArq) << \"</table>\";\n"
|
||
"}\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const39()
|
||
{
|
||
checkConst("class Foo\n"
|
||
"{\n"
|
||
" int * p;\n"
|
||
"public:\n"
|
||
" Foo () : p(0) { }\n"
|
||
" int * f();\n"
|
||
" const int * f() const;\n"
|
||
"};\n"
|
||
"const int * Foo::f() const\n"
|
||
"{\n"
|
||
" return p;\n"
|
||
"}\n"
|
||
"int * Foo::f()\n"
|
||
"{\n"
|
||
" return p;\n"
|
||
"}\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const40() // ticket #2228
|
||
{
|
||
checkConst("class SharedPtrHolder\n"
|
||
"{\n"
|
||
" private:\n"
|
||
" std::tr1::shared_ptr<int> pView;\n"
|
||
" public:\n"
|
||
" SharedPtrHolder()\n"
|
||
" { }\n"
|
||
" void SetView(const std::shared_ptr<int> & aView)\n"
|
||
" {\n"
|
||
" pView = aView;\n"
|
||
" }\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const41() // ticket #2255
|
||
{
|
||
checkConst("class Fred\n"
|
||
"{\n"
|
||
" ::std::string m_name;\n"
|
||
"public:\n"
|
||
" void SetName(const ::std::string & name)\n"
|
||
" {\n"
|
||
" m_name = name;\n"
|
||
" }\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class SharedPtrHolder\n"
|
||
"{\n"
|
||
" ::std::tr1::shared_ptr<int> pNum;\n"
|
||
" public :\n"
|
||
" void SetNum(const ::std::tr1::shared_ptr<int> & apNum)\n"
|
||
" {\n"
|
||
" pNum = apNum;\n"
|
||
" }\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class SharedPtrHolder2\n"
|
||
"{\n"
|
||
" public:\n"
|
||
" typedef ::std::tr1::shared_ptr<int> IntSharedPtr;\n"
|
||
" private:\n"
|
||
" IntSharedPtr pNum;\n"
|
||
" public :\n"
|
||
" void SetNum(const IntSharedPtr & apNum)\n"
|
||
" {\n"
|
||
" pNum = apNum;\n"
|
||
" }\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("struct IntPtrTypes\n"
|
||
"{\n"
|
||
" typedef ::std::tr1::shared_ptr<int> Shared;\n"
|
||
"};\n"
|
||
"class SharedPtrHolder3\n"
|
||
"{\n"
|
||
" private:\n"
|
||
" IntPtrTypes::Shared pNum;\n"
|
||
" public :\n"
|
||
" void SetNum(const IntPtrTypes::Shared & apNum)\n"
|
||
" {\n"
|
||
" pNum = apNum;\n"
|
||
" }\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("template <typename T>\n"
|
||
"struct PtrTypes\n"
|
||
"{\n"
|
||
" typedef ::std::tr1::shared_ptr<T> Shared;\n"
|
||
"};\n"
|
||
"class SharedPtrHolder4\n"
|
||
"{\n"
|
||
" private:\n"
|
||
" PtrTypes<int>::Shared pNum;\n"
|
||
" public :\n"
|
||
" void SetNum(const PtrTypes<int>::Shared & apNum)\n"
|
||
" {\n"
|
||
" pNum = apNum;\n"
|
||
" }\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const42() // ticket #2282
|
||
{
|
||
checkConst("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" struct AB { };\n"
|
||
" bool f(AB * ab);\n"
|
||
"};\n"
|
||
"bool Fred::f(Fred::AB * ab)\n"
|
||
"{\n"
|
||
"}\n");
|
||
|
||
ASSERT_EQUALS("[test.cpp:7] -> [test.cpp:5]: (information) Technically the member function 'Fred::f' can be const.\n", errout.str());
|
||
|
||
checkConst("class Fred\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" struct AB {\n"
|
||
" struct CD { };\n"
|
||
" };\n"
|
||
" bool f(AB::CD * cd);\n"
|
||
"};\n"
|
||
"bool Fred::f(Fred::AB::CD * cd)\n"
|
||
"{\n"
|
||
"}\n");
|
||
|
||
ASSERT_EQUALS("[test.cpp:9] -> [test.cpp:7]: (information) Technically the member function 'Fred::f' can be const.\n", errout.str());
|
||
|
||
checkConst("namespace NS {\n"
|
||
" class Fred\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" struct AB {\n"
|
||
" struct CD { };\n"
|
||
" };\n"
|
||
" bool f(AB::CD * cd);\n"
|
||
" };\n"
|
||
" bool Fred::f(Fred::AB::CD * cd)\n"
|
||
" {\n"
|
||
" }\n"
|
||
"}\n");
|
||
|
||
ASSERT_EQUALS("[test.cpp:10] -> [test.cpp:8]: (information) Technically the member function 'NS::Fred::f' can be const.\n", errout.str());
|
||
|
||
checkConst("namespace NS {\n"
|
||
" class Fred\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" struct AB {\n"
|
||
" struct CD { };\n"
|
||
" };\n"
|
||
" bool f(AB::CD * cd);\n"
|
||
" };\n"
|
||
"}\n"
|
||
"bool NS::Fred::f(NS::Fred::AB::CD * cd)\n"
|
||
"{\n"
|
||
"}\n");
|
||
|
||
ASSERT_EQUALS("[test.cpp:11] -> [test.cpp:8]: (information) Technically the member function 'NS::Fred::f' can be const.\n", errout.str());
|
||
|
||
checkConst("class Foo {\n"
|
||
" class Fred\n"
|
||
" {\n"
|
||
" public:\n"
|
||
" struct AB {\n"
|
||
" struct CD { };\n"
|
||
" };\n"
|
||
" bool f(AB::CD * cd);\n"
|
||
" };\n"
|
||
"};\n"
|
||
"bool Foo::Fred::f(Foo::Fred::AB::CD * cd)\n"
|
||
"{\n"
|
||
"}\n");
|
||
|
||
ASSERT_EQUALS("[test.cpp:11] -> [test.cpp:8]: (information) Technically the member function 'Foo::Fred::f' can be const.\n", errout.str());
|
||
}
|
||
|
||
void const43() // ticket 2377
|
||
{
|
||
checkConst("class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" void foo( AA::BB::CC::DD b );\n"
|
||
" AA::BB::CC::DD a;\n"
|
||
"};\n"
|
||
"void A::foo( AA::BB::CC::DD b )\n"
|
||
"{\n"
|
||
" a = b;\n"
|
||
"}\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("namespace AA\n"
|
||
"{\n"
|
||
" namespace BB\n"
|
||
" {\n"
|
||
" namespace CC\n"
|
||
" {\n"
|
||
" struct DD\n"
|
||
" {};\n"
|
||
" }\n"
|
||
" }\n"
|
||
"}\n"
|
||
"class A\n"
|
||
"{\n"
|
||
" public:\n"
|
||
" \n"
|
||
" AA::BB::CC::DD a;\n"
|
||
" void foo(AA::BB::CC::DD b)\n"
|
||
" {\n"
|
||
" a = b;\n"
|
||
" }\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("namespace ZZ\n"
|
||
"{\n"
|
||
" namespace YY\n"
|
||
" {\n"
|
||
" struct XX\n"
|
||
" {};\n"
|
||
" }\n"
|
||
"}\n"
|
||
"class B\n"
|
||
"{\n"
|
||
" public:\n"
|
||
" ZZ::YY::XX a;\n"
|
||
" void foo(ZZ::YY::XX b)\n"
|
||
" {\n"
|
||
" a = b;\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const44() // ticket 2595
|
||
{
|
||
checkConst("class A\n"
|
||
"{\n"
|
||
"public:\n"
|
||
" bool bOn;\n"
|
||
" bool foo()\n"
|
||
" {\n"
|
||
" return 0 != (bOn = bOn && true);\n"
|
||
" }\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const45() // ticket 2664
|
||
{
|
||
checkConst("namespace wraps {\n"
|
||
" class BaseLayout {};\n"
|
||
"}\n"
|
||
"namespace tools {\n"
|
||
" class WorkspaceControl :\n"
|
||
" public wraps::BaseLayout\n"
|
||
" {\n"
|
||
" int toGrid(int _value)\n"
|
||
" {\n"
|
||
" }\n"
|
||
" };\n"
|
||
"}\n");
|
||
|
||
ASSERT_EQUALS("[test.cpp:8]: (information) Technically the member function 'tools::WorkspaceControl::toGrid' can be const.\n", errout.str());
|
||
}
|
||
|
||
void const46() // ticket 2663
|
||
{
|
||
checkConst("class Altren {\n"
|
||
"public:\n"
|
||
" int fun1() {\n"
|
||
" int a;\n"
|
||
" a++;\n"
|
||
" }\n"
|
||
" int fun2() {\n"
|
||
" b++;\n"
|
||
" }\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Altren::fun1' can be const.\n"
|
||
"[test.cpp:7]: (information) Technically the member function 'Altren::fun2' can be const.\n", errout.str());
|
||
}
|
||
|
||
void const47() // ticket 2670
|
||
{
|
||
checkConst("class Altren {\n"
|
||
"public:\n"
|
||
" void foo() { delete this; }\n"
|
||
" void foo(int i) const { }\n"
|
||
" void bar() { foo(); }\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Altren {\n"
|
||
"public:\n"
|
||
" void foo() { delete this; }\n"
|
||
" void foo(int i) const { }\n"
|
||
" void bar() { foo(1); }\n"
|
||
"};\n");
|
||
|
||
ASSERT_EQUALS("[test.cpp:5]: (information) Technically the member function 'Altren::bar' can be const.\n", errout.str());
|
||
}
|
||
|
||
void const48() // ticket 2672
|
||
{
|
||
checkConst("class S0 {\n"
|
||
" class S1 {\n"
|
||
" class S2 {\n"
|
||
" class S3 {\n"
|
||
" class S4 { };\n"
|
||
" };\n"
|
||
" };\n"
|
||
" };\n"
|
||
"};\n"
|
||
"class TextIterator {\n"
|
||
" S0::S1::S2::S3::S4 mCurrent, mSave;\n"
|
||
"public:\n"
|
||
" bool setTagColour();\n"
|
||
"};\n"
|
||
"bool TextIterator::setTagColour() {\n"
|
||
" mSave = mCurrent;\n"
|
||
"}\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const49() // ticket 2795
|
||
{
|
||
checkConst("class A {\n"
|
||
" private:\n"
|
||
" std::map<unsigned int,unsigned int> _hash;\n"
|
||
" public:\n"
|
||
" A() : _hash() {}\n"
|
||
" unsigned int fetch(unsigned int key) // cannot be 'const'\n"
|
||
" {\n"
|
||
" return _hash[key];\n"
|
||
" }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void const50() // ticket 2943
|
||
{
|
||
checkConst("class Altren\n"
|
||
"{\n"
|
||
" class SubClass : public std::vector<int>\n"
|
||
" {\n"
|
||
" };\n"
|
||
"};\n"
|
||
"void _setAlign()\n"
|
||
"{\n"
|
||
" if (mTileSize.height > 0) return;\n"
|
||
" if (mEmptyView) return;\n"
|
||
"}\n");
|
||
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void assigningPointerToPointerIsNotAConstOperation()
|
||
{
|
||
checkConst("struct s\n"
|
||
"{\n"
|
||
" int** v;\n"
|
||
" void f()\n"
|
||
" {\n"
|
||
" v = 0;\n"
|
||
" }\n"
|
||
"};\n"
|
||
);
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void assigningArrayElementIsNotAConstOperation()
|
||
{
|
||
checkConst("struct s\n"
|
||
"{\n"
|
||
" ::std::string v[3];\n"
|
||
" void f()\n"
|
||
" {\n"
|
||
" v[0] = \"Happy new year!\";\n"
|
||
" }\n"
|
||
"};\n"
|
||
);
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
// increment/decrement => not const
|
||
void constincdec()
|
||
{
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
" void nextA() { return ++a; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
" void nextA() { return --a; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
" void nextA() { return a++; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
" void nextA() { return a--; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("int a;\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return ++a; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("int a;\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return --a; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("int a;\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return a++; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("int a;\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return a--; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
}
|
||
|
||
void constassign1()
|
||
{
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
" void nextA() { return a=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
" void nextA() { return a-=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
" void nextA() { return a+=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
" void nextA() { return a*=-1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
" void nextA() { return a/=-2; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("int a;\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return a=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("int a;\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return a-=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("int a;\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return a+=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("int a;\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return a*=-1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("int a;\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return a/=-2; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
}
|
||
|
||
void constassign2()
|
||
{
|
||
checkConst("class Fred {\n"
|
||
" struct A { int a; } s;\n"
|
||
" void nextA() { return s.a=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" struct A { int a; } s;\n"
|
||
" void nextA() { return s.a-=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" struct A { int a; } s;\n"
|
||
" void nextA() { return s.a+=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" struct A { int a; } s;\n"
|
||
" void nextA() { return s.a*=-1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("struct A { int a; } s;\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return s.a=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("struct A { int a; } s;\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return s.a-=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("struct A { int a; } s;\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return s.a+=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("struct A { int a; } s;\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return s.a*=-1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("struct A { int a; } s;\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return s.a/=-2; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("struct A { int a; };\n"
|
||
"class Fred {\n"
|
||
" A s;\n"
|
||
" void nextA() { return s.a=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("struct A { int a; };\n"
|
||
"class Fred {\n"
|
||
" A s;\n"
|
||
" void nextA() { return s.a-=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("struct A { int a; };\n"
|
||
"class Fred {\n"
|
||
" A s;\n"
|
||
" void nextA() { return s.a+=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("struct A { int a; };\n"
|
||
"class Fred {\n"
|
||
" A s;\n"
|
||
" void nextA() { return s.a*=-1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("struct A { int a; };\n"
|
||
"class Fred {\n"
|
||
" A s;\n"
|
||
" void nextA() { return s.a/=-2; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
// increment/decrement array element => not const
|
||
void constincdecarray()
|
||
{
|
||
checkConst("class Fred {\n"
|
||
" int a[2];\n"
|
||
" void nextA() { return ++a[0]; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" int a[2];\n"
|
||
" void nextA() { return --a[0]; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" int a[2];\n"
|
||
" void nextA() { return a[0]++; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" int a[2];\n"
|
||
" void nextA() { return a[0]--; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("int a[2];\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return ++a[0]; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("int a[2];\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return --a[0]; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("int a[2];\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return a[0]++; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("int a[2];\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return a[0]--; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
}
|
||
|
||
void constassignarray()
|
||
{
|
||
checkConst("class Fred {\n"
|
||
" int a[2];\n"
|
||
" void nextA() { return a[0]=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" int a[2];\n"
|
||
" void nextA() { return a[0]-=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" int a[2];\n"
|
||
" void nextA() { return a[0]+=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" int a[2];\n"
|
||
" void nextA() { return a[0]*=-1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class Fred {\n"
|
||
" int a[2];\n"
|
||
" void nextA() { return a[0]/=-2; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("int a[2];\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return a[0]=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("int a[2];\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return a[0]-=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("int a[2];\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return a[0]+=1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("int a[2];\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return a[0]*=-1; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
|
||
checkConst("int a[2];\n"
|
||
"class Fred {\n"
|
||
" void nextA() { return a[0]/=-2; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::nextA' can be const.\n", errout.str());
|
||
}
|
||
|
||
// return pointer/reference => not const
|
||
void constReturnReference()
|
||
{
|
||
checkConst("class Fred {\n"
|
||
" int a;\n"
|
||
" int &getR() { return a; }\n"
|
||
" int *getP() { return &a; }"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
// delete member variable => not const (but technically it can, it compiles without errors)
|
||
void constDelete()
|
||
{
|
||
checkConst("class Fred {\n"
|
||
" int *a;\n"
|
||
" void clean() { delete a; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
// A function that returns LPVOID can't be const
|
||
void constLPVOID()
|
||
{
|
||
checkConst("class Fred {\n"
|
||
" LPVOID a() { return 0; };\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// #1579 - HDC
|
||
checkConst("class Fred {\n"
|
||
" HDC a() { return 0; };\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
// a function that calls const functions can be const
|
||
void constFunc()
|
||
{
|
||
checkConst("class Fred {\n"
|
||
" void f() const { };\n"
|
||
" void a() { f(); };\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:3]: (information) Technically the member function 'Fred::a' can be const.\n", errout.str());
|
||
|
||
// ticket #1593
|
||
checkConst("#include <vector>\n"
|
||
"class A\n"
|
||
"{\n"
|
||
" std::vector<int> m_v;\n"
|
||
"public:\n"
|
||
" A(){}\n"
|
||
" unsigned int GetVecSize() {return m_v.size();}\n"
|
||
"};");
|
||
TODO_ASSERT_EQUALS("[test.cpp:7]: (information) Technically the member function 'A::GetVecSize' can be const.\n",
|
||
"", errout.str());
|
||
}
|
||
|
||
void constVirtualFunc()
|
||
{
|
||
// base class has no virtual function
|
||
checkConst("class A { };\n"
|
||
"class B : public A {\n"
|
||
" int b;\n"
|
||
"public:\n"
|
||
" B() : b(0) { }\n"
|
||
" int func() { return b; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:6]: (information) Technically the member function 'B::func' can be const.\n", errout.str());
|
||
|
||
checkConst("class A { };\n"
|
||
"class B : public A {\n"
|
||
" int b;\n"
|
||
"public:\n"
|
||
" B() : b(0) { }\n"
|
||
" int func();\n"
|
||
"};\n"
|
||
"int B::func() { return b; }\n");
|
||
ASSERT_EQUALS("[test.cpp:8] -> [test.cpp:6]: (information) Technically the member function 'B::func' can be const.\n", errout.str());
|
||
|
||
// base class has no virtual function
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" int func();\n"
|
||
"};\n"
|
||
"class B : public A {\n"
|
||
" int b;\n"
|
||
"public:\n"
|
||
" B() : b(0) { }\n"
|
||
" int func() { return b; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:9]: (information) Technically the member function 'B::func' can be const.\n", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" int func();\n"
|
||
"};\n"
|
||
"class B : public A {\n"
|
||
" int b;\n"
|
||
"public:\n"
|
||
" B() : b(0) { }\n"
|
||
" int func();\n"
|
||
"};\n"
|
||
"int B::func() { return b; }\n");
|
||
ASSERT_EQUALS("[test.cpp:11] -> [test.cpp:9]: (information) Technically the member function 'B::func' can be const.\n", errout.str());
|
||
|
||
// base class has virtual function
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" virtual int func();\n"
|
||
"};\n"
|
||
"class B : public A {\n"
|
||
" int b;\n"
|
||
"public:\n"
|
||
" B() : b(0) { }\n"
|
||
" int func() { return b; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" virtual int func();\n"
|
||
"};\n"
|
||
"class B : public A {\n"
|
||
" int b;\n"
|
||
"public:\n"
|
||
" B() : b(0) { }\n"
|
||
" int func();\n"
|
||
"};\n"
|
||
"int B::func() { return b; }\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
"public:\n"
|
||
" virtual int func() = 0;\n"
|
||
"};\n"
|
||
"class B : public A {\n"
|
||
" int b;\n"
|
||
"public:\n"
|
||
" B() : b(0) { }\n"
|
||
" int func();\n"
|
||
"};\n"
|
||
"int B::func() { return b; }\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// base class has no virtual function
|
||
checkConst("class A {\n"
|
||
" int a;\n"
|
||
"public:\n"
|
||
" A() : a(0) { }\n"
|
||
" int func() { return a; }\n"
|
||
"};\n"
|
||
"class B : public A {\n"
|
||
" int b;\n"
|
||
"public:\n"
|
||
" B() : b(0) { }\n"
|
||
" int func() { return b; }\n"
|
||
"};\n"
|
||
"class C : public B {\n"
|
||
" int c;\n"
|
||
"public:\n"
|
||
" C() : c(0) { }\n"
|
||
" int func() { return c; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:5]: (information) Technically the member function 'A::func' can be const.\n"
|
||
"[test.cpp:11]: (information) Technically the member function 'B::func' can be const.\n"
|
||
"[test.cpp:17]: (information) Technically the member function 'C::func' can be const.\n", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
" int a;\n"
|
||
"public:\n"
|
||
" A() : a(0) { }\n"
|
||
" int func();\n"
|
||
"};\n"
|
||
"int A::func() { return a; }\n"
|
||
"class B : public A {\n"
|
||
" int b;\n"
|
||
"public:\n"
|
||
" B() : b(0) { }\n"
|
||
" int func();\n"
|
||
"};\n"
|
||
"int B::func() { return b; }\n"
|
||
"class C : public B {\n"
|
||
" int c;\n"
|
||
"public:\n"
|
||
" C() : c(0) { }\n"
|
||
" int func();\n"
|
||
"};\n"
|
||
"int C::func() { return c; }\n");
|
||
ASSERT_EQUALS("[test.cpp:7] -> [test.cpp:5]: (information) Technically the member function 'A::func' can be const.\n"
|
||
"[test.cpp:14] -> [test.cpp:12]: (information) Technically the member function 'B::func' can be const.\n"
|
||
"[test.cpp:21] -> [test.cpp:19]: (information) Technically the member function 'C::func' can be const.\n", errout.str());
|
||
|
||
// base class has virtual function
|
||
checkConst("class A {\n"
|
||
" int a;\n"
|
||
"public:\n"
|
||
" A() : a(0) { }\n"
|
||
" virtual int func() { return a; }\n"
|
||
"};\n"
|
||
"class B : public A {\n"
|
||
" int b;\n"
|
||
"public:\n"
|
||
" B() : b(0) { }\n"
|
||
" int func() { return b; }\n"
|
||
"};\n"
|
||
"class C : public B {\n"
|
||
" int c;\n"
|
||
"public:\n"
|
||
" C() : c(0) { }\n"
|
||
" int func() { return c; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
checkConst("class A {\n"
|
||
" int a;\n"
|
||
"public:\n"
|
||
" A() : a(0) { }\n"
|
||
" virtual int func();\n"
|
||
"};\n"
|
||
"int A::func() { return a; }\n"
|
||
"class B : public A {\n"
|
||
" int b;\n"
|
||
"public:\n"
|
||
" B() : b(0) { }\n"
|
||
" int func();\n"
|
||
"};\n"
|
||
"int B::func() { return b; }\n"
|
||
"class C : public B {\n"
|
||
" int c;\n"
|
||
"public:\n"
|
||
" C() : c(0) { }\n"
|
||
" int func();\n"
|
||
"};\n"
|
||
"int C::func() { return c; }\n");
|
||
ASSERT_EQUALS("", errout.str());
|
||
|
||
// ticket #1311
|
||
checkConst("class X {\n"
|
||
" int x;\n"
|
||
"public:\n"
|
||
" X(int x) : x(x) { }\n"
|
||
" int getX() { return x; }\n"
|
||
"};\n"
|
||
"class Y : public X {\n"
|
||
" int y;\n"
|
||
"public:\n"
|
||
" Y(int x, int y) : X(x), y(y) { }\n"
|
||
" int getY() { return y; }\n"
|
||
"};\n"
|
||
"class Z : public Y {\n"
|
||
" int z;\n"
|
||
"public:\n"
|
||
" Z(int x, int y, int z) : Y(x, y), z(z) { }\n"
|
||
" int getZ() { return z; }\n"
|
||
"};\n");
|
||
ASSERT_EQUALS("[test.cpp:5]: (information) Technically the member function 'X::getX' can be const.\n"
|
||
"[test.cpp:11]: (information) Technically the member function 'Y::getY' can be const.\n"
|
||
"[test.cpp:17]: (information) Technically the member function 'Z::getZ' can be const.\n", errout.str());
|
||
|
||
checkConst("class X {\n"
|
||
" int x;\n"
|
||
"public:\n"
|
||
" X(int x) : x(x) { }\n"
|
||
" int getX();\n"
|
||
"};\n"
|
||
"int X::getX() { return x; }\n"
|
||
"class Y : public X {\n"
|
||
" int y;\n"
|
||
"public:\n"
|
||
" Y(int x, int y) : X(x), y(y) { }\n"
|
||
" int getY();\n"
|
||
"};\n"
|
||
"int Y::getY() { return y; }\n"
|
||
"class Z : public Y {\n"
|
||
" int z;\n"
|
||
"public:\n"
|
||
" Z(int x, int y, int z) : Y(x, y), z(z) { }\n"
|
||
" int getZ();\n"
|
||
"};\n"
|
||
"int Z::getZ() { return z; }\n");
|
||
ASSERT_EQUALS("[test.cpp:7] -> [test.cpp:5]: (information) Technically the member function 'X::getX' can be const.\n"
|
||
"[test.cpp:14] -> [test.cpp:12]: (information) Technically the member function 'Y::getY' can be const.\n"
|
||
"[test.cpp:21] -> [test.cpp:19]: (information) Technically the member function 'Z::getZ' can be const.\n", errout.str());
|
||
}
|
||
|
||
void constIfCfg()
|
||
{
|
||
const char code[] = "class foo {\n"
|
||
" void f() { }\n"
|
||
"};";
|
||
|
||
Settings settings;
|
||
settings.addEnabled("information");
|
||
|
||
settings.ifcfg = false;
|
||
checkConst(code, &settings);
|
||
ASSERT_EQUALS("[test.cpp:2]: (information) Technically the member function 'foo::f' can be const.\n", errout.str());
|
||
|
||
settings.ifcfg = true;
|
||
checkConst(code, &settings);
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void constFriend() // ticket #1921
|
||
{
|
||
const char code[] = "class foo {\n"
|
||
" friend void f() { }\n"
|
||
"};";
|
||
checkConst(code);
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
void constUnion() // ticket #2111
|
||
{
|
||
checkConst("class foo {\n"
|
||
"public:\n"
|
||
" union {\n"
|
||
" int i;\n"
|
||
" float f;\n"
|
||
" } d;\n"
|
||
" void setf(float x) {\n"
|
||
" d.f = x;\n"
|
||
" }\n"
|
||
"};");
|
||
ASSERT_EQUALS("", errout.str());
|
||
}
|
||
|
||
};
|
||
|
||
REGISTER_TEST(TestClass)
|