4275 lines
140 KiB
C++
4275 lines
140 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2022 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 "checkclass.h"
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#include "errortypes.h"
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#include "standards.h"
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#include "settings.h"
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#include "testsuite.h"
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#include "tokenize.h"
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#include <iosfwd>
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#include <list>
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#include <string>
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class TestConstructors : public TestFixture {
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public:
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TestConstructors() : TestFixture("TestConstructors") {}
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private:
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Settings settings;
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#define check(...) check_(__FILE__, __LINE__, __VA_ARGS__)
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void check_(const char* file, int line, const char code[], bool inconclusive = false) {
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// Clear the error buffer..
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errout.str("");
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settings.certainty.setEnabled(Certainty::inconclusive, inconclusive);
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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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ASSERT_LOC(tokenizer.tokenize(istr, "test.cpp"), file, line);
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// Check class constructors..
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CheckClass checkClass(&tokenizer, &settings, this);
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checkClass.constructors();
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}
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void check_(const char* file, int line, const char code[], const Settings &s) {
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// Clear the error buffer..
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errout.str("");
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// Tokenize..
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Tokenizer tokenizer(&s, this);
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std::istringstream istr(code);
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ASSERT_LOC(tokenizer.tokenize(istr, "test.cpp"), file, line);
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// Check class constructors..
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CheckClass checkClass(&tokenizer, &s, this);
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checkClass.constructors();
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}
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void run() override {
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settings.severity.enable(Severity::style);
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settings.severity.enable(Severity::warning);
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TEST_CASE(simple1);
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TEST_CASE(simple2);
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TEST_CASE(simple3);
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TEST_CASE(simple4);
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TEST_CASE(simple5); // ticket #2560
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TEST_CASE(simple6); // ticket #4085 - uninstantiated template class
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TEST_CASE(simple7); // ticket #4531
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TEST_CASE(simple8);
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TEST_CASE(simple9); // ticket #4574
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TEST_CASE(simple10); // ticket #4388
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TEST_CASE(simple11); // ticket #4536, #6214
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TEST_CASE(simple12); // ticket #4620
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TEST_CASE(simple13); // #5498 - no constructor, c++11 assignments
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TEST_CASE(simple14); // #6253 template base
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TEST_CASE(simple15); // #8942 multiple arguments, decltype
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TEST_CASE(simple16); // copy members with c++11 init
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TEST_CASE(simple17); // #10360
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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(noConstructor6); // ticket #4386
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TEST_CASE(noConstructor7); // ticket #4391
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TEST_CASE(noConstructor8); // ticket #4404
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TEST_CASE(noConstructor9); // ticket #4419
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TEST_CASE(noConstructor10); // ticket #6614
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TEST_CASE(noConstructor11); // ticket #3552
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TEST_CASE(noConstructor12); // #8951 - member initialization
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TEST_CASE(noConstructor13); // #9998
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TEST_CASE(noConstructor14); // #10770
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TEST_CASE(noConstructor15); // #5499
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TEST_CASE(forwardDeclaration); // ticket #4290/#3190
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TEST_CASE(initvar_with_this); // BUG 2190300
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TEST_CASE(initvar_if); // BUG 2190290
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TEST_CASE(initvar_operator_eq1); // BUG 2190376
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TEST_CASE(initvar_operator_eq2); // BUG 2190376
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TEST_CASE(initvar_operator_eq3);
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TEST_CASE(initvar_operator_eq4); // ticket #2204
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TEST_CASE(initvar_operator_eq5); // ticket #4119
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TEST_CASE(initvar_operator_eq6);
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TEST_CASE(initvar_operator_eq7);
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TEST_CASE(initvar_same_classname); // BUG 2208157
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TEST_CASE(initvar_chained_assign); // BUG 2270433
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TEST_CASE(initvar_2constructors); // BUG 2270353
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TEST_CASE(initvar_constvar);
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TEST_CASE(initvar_staticvar);
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TEST_CASE(initvar_brace_init);
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TEST_CASE(initvar_union);
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TEST_CASE(initvar_delegate); // ticket #4302
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TEST_CASE(initvar_delegate2);
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TEST_CASE(initvar_derived_class);
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TEST_CASE(initvar_private_constructor); // BUG 2354171 - private constructor
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TEST_CASE(initvar_copy_constructor); // ticket #1611
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TEST_CASE(initvar_nested_constructor); // ticket #1375
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TEST_CASE(initvar_nocopy1); // ticket #2474
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TEST_CASE(initvar_nocopy2); // ticket #2484
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TEST_CASE(initvar_nocopy3); // ticket #3611
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TEST_CASE(initvar_nocopy4); // ticket #9247
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TEST_CASE(initvar_with_member_function_this); // ticket #4824
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TEST_CASE(initvar_destructor); // No variables need to be initialized in a destructor
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TEST_CASE(initvar_func_ret_func_ptr); // ticket #4449
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TEST_CASE(initvar_alias); // #6921
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TEST_CASE(initvar_templateMember); // #7205
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TEST_CASE(initvar_smartptr); // #10237
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TEST_CASE(operatorEqSTL);
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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(uninitVar22); // ticket #3043
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TEST_CASE(uninitVar23); // ticket #3702
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TEST_CASE(uninitVar24); // ticket #3190
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TEST_CASE(uninitVar25); // ticket #4789
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TEST_CASE(uninitVar26);
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TEST_CASE(uninitVar27); // ticket #5170 - rtl::math::setNan(&d)
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TEST_CASE(uninitVar28); // ticket #6258
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TEST_CASE(uninitVar29);
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TEST_CASE(uninitVar30); // ticket #6417
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TEST_CASE(uninitVar31); // ticket #8271
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TEST_CASE(uninitVar32); // ticket #8835
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TEST_CASE(uninitVar33); // ticket #10295
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TEST_CASE(uninitVarEnum1);
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TEST_CASE(uninitVarEnum2); // ticket #8146
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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(uninitVarArray7);
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TEST_CASE(uninitVarArray8);
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TEST_CASE(uninitVarArray9); // ticket #6957, #6959
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TEST_CASE(uninitVarArray2D);
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TEST_CASE(uninitVarArray3D);
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TEST_CASE(uninitVarCpp11Init1);
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TEST_CASE(uninitVarCpp11Init2);
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TEST_CASE(uninitVarStruct1); // ticket #2172
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TEST_CASE(uninitVarStruct2); // ticket #838
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TEST_CASE(uninitVarUnion1); // ticket #3196
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TEST_CASE(uninitVarUnion2);
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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(uninitVarPublished); // Borland C++: Variables in the published section are auto-initialized
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TEST_CASE(uninitVarInheritClassInit); // Borland C++: if class inherits from TObject, all variables are 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(uninitFunction5);
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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(uninitVarOperatorEqual); // ticket #2415
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TEST_CASE(uninitVarPointer); // ticket #3801
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TEST_CASE(uninitConstVar);
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TEST_CASE(constructors_crash1); // ticket #5641
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TEST_CASE(classWithOperatorInName);// ticket #2827
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TEST_CASE(templateConstructor); // ticket #7942
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TEST_CASE(typedefArray); // ticket #5766
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TEST_CASE(uninitAssignmentWithOperator); // ticket #7429
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TEST_CASE(uninitCompoundAssignment); // ticket #7429
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TEST_CASE(uninitComparisonAssignment); // ticket #7429
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TEST_CASE(uninitTemplate1); // ticket #7372
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TEST_CASE(unknownTemplateType);
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}
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void simple1() {
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check("class Fred\n"
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"{\n"
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"public:\n"
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" int i;\n"
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"};");
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ASSERT_EQUALS("", errout.str());
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check("class Fred\n"
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"{\n"
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"private:\n"
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" int i;\n"
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"};");
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ASSERT_EQUALS("[test.cpp:1]: (style) The class 'Fred' does not declare a constructor although it has private member variables which likely require initialization.\n", errout.str());
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check("struct Fred\n"
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"{\n"
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"private:\n"
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" int i;\n"
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"};");
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ASSERT_EQUALS("[test.cpp:1]: (style) The struct 'Fred' does not declare a constructor although it has private member variables which likely require initialization.\n", errout.str());
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}
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void simple2() {
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check("class Fred\n"
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"{\n"
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"public:\n"
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" Fred() : i(0) { }\n"
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" Fred(Fred const & other) : i(other.i) {}\n"
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" Fred(Fred && other) : i(other.i) {}\n"
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" int i;\n"
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"};");
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ASSERT_EQUALS("", errout.str());
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check("class Fred\n"
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"{\n"
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"public:\n"
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" Fred() { i = 0; }\n"
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" Fred(Fred const & other) {i=other.i}\n"
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" Fred(Fred && other) {i=other.i}\n"
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" int i;\n"
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"};");
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ASSERT_EQUALS("", errout.str());
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check("class Fred\n"
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"{\n"
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"public:\n"
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" Fred() { }\n"
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" Fred(Fred const & other) {}\n"
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" Fred(Fred && other) {}\n"
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" int i;\n"
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"};");
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ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::i' is not initialized in the constructor.\n"
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"[test.cpp:5]: (warning) Member variable 'Fred::i' is not initialized in the copy constructor.\n"
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"[test.cpp:6]: (warning) Member variable 'Fred::i' is not initialized in the move constructor.\n", errout.str());
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check("struct Fred\n"
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"{\n"
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" Fred() { }\n"
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" Fred(Fred const & other) {}\n"
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" Fred(Fred && other) {}\n"
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" int i;\n"
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"};");
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ASSERT_EQUALS("[test.cpp:3]: (warning) Member variable 'Fred::i' is not initialized in the constructor.\n"
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"[test.cpp:4]: (warning) Member variable 'Fred::i' is not initialized in the copy constructor.\n"
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"[test.cpp:5]: (warning) Member variable 'Fred::i' is not initialized in the move constructor.\n", errout.str());
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}
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void simple3() {
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check("struct Fred\n"
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"{\n"
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" Fred();\n"
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" int i;\n"
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"};\n"
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"Fred::Fred() :i(0)\n"
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"{ }");
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ASSERT_EQUALS("", errout.str());
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check("struct Fred\n"
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"{\n"
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" Fred();\n"
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" int i;\n"
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"};\n"
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"Fred::Fred()\n"
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"{ i = 0; }");
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ASSERT_EQUALS("", errout.str());
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check("struct Fred\n"
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"{\n"
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" Fred();\n"
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" int i;\n"
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"};\n"
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"Fred::Fred()\n"
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"{ }");
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ASSERT_EQUALS("[test.cpp:6]: (warning) Member variable 'Fred::i' is not initialized in the constructor.\n", errout.str());
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}
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void simple4() {
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check("struct Fred\n"
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"{\n"
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" Fred();\n"
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" explicit Fred(int _i);\n"
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" Fred(Fred const & other);\n"
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" int i;\n"
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"};\n"
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"Fred::Fred()\n"
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"{ }\n"
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"Fred::Fred(int _i)\n"
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"{\n"
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" i = _i;\n"
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"}\n", true);
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ASSERT_EQUALS("[test.cpp:8]: (warning, inconclusive) Member variable 'Fred::i' is not initialized in the constructor.\n", errout.str());
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}
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void simple5() { // ticket #2560
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check("namespace Nsp\n"
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"{\n"
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" class B { };\n"
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"}\n"
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"class Altren : public Nsp::B\n"
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"{\n"
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"public:\n"
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" Altren () : Nsp::B(), mValue(0)\n"
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" {\n"
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" }\n"
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"private:\n"
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" int mValue;\n"
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"};");
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ASSERT_EQUALS("", errout.str());
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}
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void simple6() { // ticket #4085 - uninstantiated template class
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check("template <class T> struct A {\n"
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" A<T>() { x = 0; }\n"
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" A<T>(const T & t) { x = t.x; }\n"
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"private:\n"
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" int x;\n"
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"};");
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ASSERT_EQUALS("", errout.str());
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check("template <class T> struct A {\n"
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" A<T>() : x(0) { }\n"
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" A<T>(const T & t) : x(t.x) { }\n"
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"private:\n"
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" int x;\n"
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"};");
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ASSERT_EQUALS("", errout.str());
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check("template <class T> struct A {\n"
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" A<T>() : x(0) { }\n"
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" A<T>(const T & t) : x(t.x) { }\n"
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"private:\n"
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" int x;\n"
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" int y;\n"
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"};");
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ASSERT_EQUALS("[test.cpp:2]: (warning) Member variable 'A::y' is not initialized in the constructor.\n"
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"[test.cpp:3]: (warning) Member variable 'A::y' is not initialized in the constructor.\n", errout.str());
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}
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void simple7() { // ticket #4531
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check("class Fred;\n"
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"struct Fred {\n"
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" int x;\n"
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"};");
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ASSERT_EQUALS("", errout.str());
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}
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void simple8() {
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check("struct Fred { int x; };\n"
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"class Barney { Fred fred; };\n"
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"class Wilma { struct Betty { int x; } betty; };");
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ASSERT_EQUALS("[test.cpp:2]: (style) The class 'Barney' does not declare a constructor although it has private member variables which likely require initialization.\n"
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"[test.cpp:3]: (style) The class 'Wilma' does not declare a constructor although it has private member variables which likely require initialization.\n", errout.str());
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}
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void simple9() { // ticket #4574
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check("class Unknown::Fred {\n"
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"public:\n"
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" Fred() : x(0) { }\n"
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"private:\n"
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" int x;\n"
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"};");
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ASSERT_EQUALS("", errout.str());
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}
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void simple10() { // ticket #4388
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check("class Fred {\n"
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"public:\n"
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" Fred() = default;\n"
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"private:\n"
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" int x;\n"
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"};");
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ASSERT_EQUALS("", errout.str());
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}
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void simple11() { // ticket #4536, #6214
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check("class Fred {\n"
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"public:\n"
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" Fred() {}\n"
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"private:\n"
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" int x = 0;\n"
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" int y = f();\n"
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" int z{0};\n"
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" int (*pf[2])(){nullptr, nullptr};\n"
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" int a[2][3] = {{1,2,3},{4,5,6}};\n"
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" int b{1}, c{2};\n"
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" int d, e{3};\n"
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" int f{4}, g;\n"
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"};");
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ASSERT_EQUALS("[test.cpp:3]: (warning) Member variable 'Fred::d' is not initialized in the constructor.\n"
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"[test.cpp:3]: (warning) Member variable 'Fred::g' is not initialized in the constructor.\n", errout.str());
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}
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void simple12() { // ticket #4620
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check("class Fred {\n"
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" int x;\n"
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"public:\n"
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" Fred() { Init(); }\n"
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" void Init(int i = 0);\n"
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"};\n"
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"void Fred::Init(int i) { x = i; }");
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ASSERT_EQUALS("", errout.str());
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check("class Fred {\n"
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" int x;\n"
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" int y;\n"
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"public:\n"
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" Fred() { Init(0); }\n"
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" void Init(int i, int j = 0);\n"
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"};\n"
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"void Fred::Init(int i, int j) { x = i; y = j; }");
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ASSERT_EQUALS("", errout.str());
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}
|
|
|
|
void simple13() { // #5498
|
|
check("class Fred {\n"
|
|
" int x=1;\n"
|
|
" int *y=0;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void simple14() { // #6253 template base
|
|
check("class Fred : public Base<A, B> {"
|
|
"public:"
|
|
" Fred()\n"
|
|
" :Base<A, B>(1),\n"
|
|
" x(1)\n"
|
|
" {}\n"
|
|
"private:\n"
|
|
" int x;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Fred : public Base<A, B> {"
|
|
"public:"
|
|
" Fred()\n"
|
|
" :Base<A, B>{1},\n"
|
|
" x{1}\n"
|
|
" {}\n"
|
|
"private:\n"
|
|
" int x;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void simple16() {
|
|
check("struct S {\n"
|
|
" int i{};\n"
|
|
" S() = default;\n"
|
|
" S(const S& s) {}\n"
|
|
" S& operator=(const S& s) { return *this; }\n"
|
|
"};\n", /*inconclusive*/ true);
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning, inconclusive) Member variable 'S::i' is not assigned in the copy constructor. Should it be copied?\n"
|
|
"[test.cpp:5]: (warning) Member variable 'S::i' is not assigned a value in 'S::operator='.\n",
|
|
errout.str());
|
|
|
|
check("struct S {\n"
|
|
" int i;\n"
|
|
" S() : i(0) {}\n"
|
|
" S(const S& s) {}\n"
|
|
" S& operator=(const S& s) { return *this; }\n"
|
|
"};\n");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'S::i' is not initialized in the copy constructor.\n"
|
|
"[test.cpp:5]: (warning) Member variable 'S::i' is not assigned a value in 'S::operator='.\n",
|
|
errout.str());
|
|
}
|
|
|
|
void simple17() { // #10360
|
|
check("class Base {\n"
|
|
"public:\n"
|
|
" virtual void Copy(const Base& Src) = 0;\n"
|
|
"};\n"
|
|
"class Derived : public Base {\n"
|
|
"public:\n"
|
|
" Derived() : i(0) {}\n"
|
|
" Derived(const Derived& Src);\n"
|
|
" void Copy(const Base& Src) override;\n"
|
|
" int i;\n"
|
|
"};\n"
|
|
"Derived::Derived(const Derived& Src) {\n"
|
|
" Copy(Src);\n"
|
|
"}\n"
|
|
"void Derived::Copy(const Base& Src) {\n"
|
|
" auto d = dynamic_cast<const Derived&>(Src);\n"
|
|
" i = d.i;\n"
|
|
"}\n");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void simple15() { // #8942
|
|
check("class A\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" int member;\n"
|
|
"};\n"
|
|
"class B\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" B(const decltype(A::member)& x, const decltype(A::member)& y) : x(x), y(y) {}\n"
|
|
"private:\n"
|
|
" const decltype(A::member)& x;\n"
|
|
" const decltype(A::member)& y;\n"
|
|
"};\n");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void noConstructor1() {
|
|
// There are nonstatic member variables - constructor is needed
|
|
check("class Fred\n"
|
|
"{\n"
|
|
" int i;\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:1]: (style) The class 'Fred' does not declare a constructor although it has private member variables which likely require initialization.\n", errout.str());
|
|
}
|
|
|
|
void noConstructor2() {
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" static void foobar();\n"
|
|
"};\n"
|
|
"\n"
|
|
"void Fred::foobar()\n"
|
|
"{ }");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void noConstructor3() {
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" static int foobar;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void noConstructor4() {
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" int foobar;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void noConstructor5() {
|
|
check("namespace Foo\n"
|
|
"{\n"
|
|
" int i;\n"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void noConstructor6() {
|
|
// ticket #4386
|
|
check("class Ccpucycles {\n"
|
|
" friend class foo::bar;\n"
|
|
" Ccpucycles() :\n"
|
|
" m_v(0), m_b(true)\n"
|
|
" {}\n"
|
|
"private:\n"
|
|
" cpucyclesT m_v;\n"
|
|
" bool m_b;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void noConstructor7() {
|
|
// ticket #4391
|
|
check("short bar;\n"
|
|
"class foo;");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void noConstructor8() {
|
|
// ticket #4404
|
|
check("class LineSegment;\n"
|
|
"class PointArray { };\n"
|
|
"void* tech_ = NULL;");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void noConstructor9() {
|
|
// ticket #4419
|
|
check("class CGreeting : public CGreetingBase<char> {\n"
|
|
"public:\n"
|
|
" CGreeting() : CGreetingBase<char>(), MessageSet(false) {}\n"
|
|
"private:\n"
|
|
" bool MessageSet;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void noConstructor10() {
|
|
// ticket #6614
|
|
check("class A : public wxDialog\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" DECLARE_EVENT_TABLE()\n"
|
|
"public:\n"
|
|
" A(wxWindow *parent,\n"
|
|
" wxWindowID id = 1,\n"
|
|
" const wxString &title = wxT(" "),\n"
|
|
" const wxPoint& pos = wxDefaultPosition,\n"
|
|
" const wxSize& size = wxDefaultSize,\n"
|
|
" long style = wxDIALOG_NO_PARENT | wxMINIMIZE_BOX | wxMAXIMIZE_BOX | wxCLOSE_BOX);\n"
|
|
" virtual ~A();\n"
|
|
"private:\n"
|
|
" wxTimer *WxTimer1;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
|
|
void noConstructor11() { // #3552
|
|
check("class Fred { int x; };\n"
|
|
"union U { int y; Fred fred; };");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void noConstructor12() { // #8951
|
|
check("class Fred { int x{0}; };");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Fred { int x=0; };");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Fred { int x[1]={0}; };"); // #8850
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Fred { int x[1]{0}; };");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void noConstructor13() { // #9998
|
|
check("struct C { int v; };\n"
|
|
"struct B { C c[5] = {}; };\n"
|
|
"struct A {\n"
|
|
" A() {}\n"
|
|
" B b;\n"
|
|
"};\n");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void noConstructor14() { // #10770
|
|
check("typedef void (*Func)();\n"
|
|
"class C {\n"
|
|
"public:\n"
|
|
" void f();\n"
|
|
"private:\n"
|
|
" Func fp = nullptr;\n"
|
|
"};\n");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void noConstructor15() { // #5499
|
|
check("class C {\n"
|
|
"private:\n"
|
|
" int i1 = 0;\n"
|
|
" int i2;\n"
|
|
"};\n");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'C::i2' is not initialized.\n", errout.str());
|
|
|
|
check("class C {\n"
|
|
"private:\n"
|
|
" int i1;\n"
|
|
" int i2;\n"
|
|
"};\n");
|
|
ASSERT_EQUALS("[test.cpp:1]: (style) The class 'C' does not declare a constructor although it has private member variables which likely require initialization.\n", errout.str());
|
|
|
|
check("class C {\n"
|
|
"public:\n"
|
|
" C(int i) : i1(i) {}\n"
|
|
"private:\n"
|
|
" int i1;\n"
|
|
" int i2;\n"
|
|
"};\n");
|
|
ASSERT_EQUALS("[test.cpp:3]: (warning) Member variable 'C::i2' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
// ticket #4290 "False Positive: style (noConstructor): The class 'foo' does not have a constructor."
|
|
// ticket #3190 "SymbolDatabase: Parse of sub class constructor fails"
|
|
void forwardDeclaration() {
|
|
check("class foo;\n"
|
|
"int bar;");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class foo;\n"
|
|
"class foo;");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class foo{};\n"
|
|
"class foo;");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void initvar_with_this() {
|
|
check("struct Fred\n"
|
|
"{\n"
|
|
" Fred()\n"
|
|
" { this->i = 0; }\n"
|
|
" int i;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void initvar_if() {
|
|
check("struct Fred\n"
|
|
"{\n"
|
|
" Fred()\n"
|
|
" {\n"
|
|
" if (true)\n"
|
|
" i = 0;\n"
|
|
" else\n"
|
|
" i = 1;\n"
|
|
" }\n"
|
|
" int i;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void initvar_operator_eq1() {
|
|
// Bug 2190376 and #3820 - False positive, Uninitialized member variable with operator=
|
|
|
|
check("struct Fred\n"
|
|
"{\n"
|
|
" int i;\n"
|
|
"\n"
|
|
" Fred()\n"
|
|
" { i = 0; }\n"
|
|
"\n"
|
|
" Fred(const Fred &fred)\n"
|
|
" { *this = fred; }\n"
|
|
"\n"
|
|
" const Fred & operator=(const Fred &fred)\n"
|
|
" { i = fred.i; return *this; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct Fred {\n"
|
|
" int i;\n"
|
|
"\n"
|
|
" Fred(const Fred &fred)\n"
|
|
" { (*this) = fred; }\n"
|
|
"\n"
|
|
" const Fred & operator=(const Fred &fred)\n"
|
|
" { i = fred.i; return *this; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct A\n"
|
|
"{\n"
|
|
" A() : i(0), j(0) {}\n"
|
|
"\n"
|
|
" A &operator=(const int &value)\n"
|
|
" {\n"
|
|
" i = value;\n"
|
|
" return (*this);\n"
|
|
" }\n"
|
|
"\n"
|
|
" int i;\n"
|
|
" int j;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
|
|
void initvar_operator_eq2() {
|
|
check("struct Fred\n"
|
|
"{\n"
|
|
" Fred() { i = 0; }\n"
|
|
" void operator=(const Fred &fred) { }\n"
|
|
" int i;\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::i' is not assigned a value in 'Fred::operator='.\n", errout.str());
|
|
}
|
|
|
|
void initvar_operator_eq3() {
|
|
check("struct Fred\n"
|
|
"{\n"
|
|
" Fred() { Init(); }\n"
|
|
" void operator=(const Fred &fred) { Init(); }\n"
|
|
"private:\n"
|
|
" void Init() { i = 0; }\n"
|
|
" int i;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void initvar_operator_eq4() {
|
|
check("class Fred\n"
|
|
"{\n"
|
|
" int i;\n"
|
|
"public:\n"
|
|
" Fred() : i(5) { }\n"
|
|
" Fred & operator=(const Fred &fred)\n"
|
|
" {\n"
|
|
" if (&fred != this)\n"
|
|
" {\n"
|
|
" }\n"
|
|
" return *this\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:6]: (warning) Member variable 'Fred::i' is not assigned a value in 'Fred::operator='.\n", errout.str());
|
|
|
|
check("class Fred\n"
|
|
"{\n"
|
|
" int * i;\n"
|
|
"public:\n"
|
|
" Fred() : i(NULL) { }\n"
|
|
" Fred & operator=(const Fred &fred)\n"
|
|
" {\n"
|
|
" if (&fred != this)\n"
|
|
" {\n"
|
|
" }\n"
|
|
" return *this\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:6]: (warning) Member variable 'Fred::i' is not assigned a value in 'Fred::operator='.\n", errout.str());
|
|
|
|
check("class Fred\n"
|
|
"{\n"
|
|
" const int * i;\n"
|
|
"public:\n"
|
|
" Fred() : i(NULL) { }\n"
|
|
" Fred & operator=(const Fred &fred)\n"
|
|
" {\n"
|
|
" if (&fred != this)\n"
|
|
" {\n"
|
|
" }\n"
|
|
" return *this\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:6]: (warning) Member variable 'Fred::i' is not assigned a value in 'Fred::operator='.\n", errout.str());
|
|
|
|
check("class Fred\n"
|
|
"{\n"
|
|
" const int i;\n"
|
|
"public:\n"
|
|
" Fred() : i(5) { }\n"
|
|
" Fred & operator=(const Fred &fred)\n"
|
|
" {\n"
|
|
" if (&fred != this)\n"
|
|
" {\n"
|
|
" }\n"
|
|
" return *this\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void initvar_operator_eq5() { // #4119 - false positive when using swap to assign variables
|
|
check("class Fred {\n"
|
|
" int i;\n"
|
|
"public:\n"
|
|
" Fred() : i(5) { }\n"
|
|
" ~Fred() { }\n"
|
|
" Fred(const Fred &fred) : i(fred.i) { }\n"
|
|
" Fred & operator=(const Fred &rhs) {\n"
|
|
" Fred(rhs).swap(*this);\n"
|
|
" return *this;\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void initvar_operator_eq6() { // std::vector
|
|
check("struct Fred {\n"
|
|
" uint8_t data;\n"
|
|
" Fred & operator=(const Fred &rhs) {\n"
|
|
" return *this;\n"
|
|
" }\n"
|
|
"};",true);
|
|
ASSERT_EQUALS("[test.cpp:3]: (warning, inconclusive) Member variable 'Fred::data' is not assigned a value in 'Fred::operator='.\n", errout.str());
|
|
|
|
check("struct Fred {\n"
|
|
" std::vector<int> ints;\n"
|
|
" Fred & operator=(const Fred &rhs) {\n"
|
|
" return *this;\n"
|
|
" }\n"
|
|
"};",true);
|
|
ASSERT_EQUALS("[test.cpp:3]: (warning, inconclusive) Member variable 'Fred::ints' is not assigned a value in 'Fred::operator='.\n", errout.str());
|
|
|
|
check("struct Fred {\n"
|
|
" Data data;\n"
|
|
" Fred & operator=(const Fred &rhs) {\n"
|
|
" return *this;\n"
|
|
" }\n"
|
|
"};",true);
|
|
ASSERT_EQUALS("[test.cpp:3]: (warning, inconclusive) Member variable 'Fred::data' is not assigned a value in 'Fred::operator='.\n", errout.str());
|
|
}
|
|
|
|
void initvar_operator_eq7() {
|
|
check("struct B {\n"
|
|
" virtual void CopyImpl(const B& Src) = 0;\n"
|
|
" void Copy(const B& Src);\n"
|
|
"};\n"
|
|
"struct D : B {};\n"
|
|
"struct DD : D {\n"
|
|
" void CopyImpl(const B& Src) override;\n"
|
|
" DD& operator=(const DD& Src);\n"
|
|
" int i{};\n"
|
|
"};\n"
|
|
"DD& DD::operator=(const DD& Src) {\n"
|
|
" if (this != &Src)\n"
|
|
" Copy(Src);\n"
|
|
" return *this;\n"
|
|
"}\n", true);
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void initvar_same_classname() {
|
|
// Bug 2208157 - False positive: Uninitialized variable, same class name
|
|
|
|
check("void func1()\n"
|
|
"{\n"
|
|
" class Fred\n"
|
|
" {\n"
|
|
" int a;\n"
|
|
" Fred() { a = 0; }\n"
|
|
" };\n"
|
|
"}\n"
|
|
"\n"
|
|
"void func2()\n"
|
|
"{\n"
|
|
" class Fred\n"
|
|
" {\n"
|
|
" int b;\n"
|
|
" Fred() { b = 0; }\n"
|
|
" };\n"
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("void func1()\n"
|
|
"{\n"
|
|
" struct Fred\n"
|
|
" {\n"
|
|
" int a;\n"
|
|
" Fred() { a = 0; }\n"
|
|
" };\n"
|
|
"}\n"
|
|
"\n"
|
|
"void func2()\n"
|
|
"{\n"
|
|
" class Fred\n"
|
|
" {\n"
|
|
" int b;\n"
|
|
" Fred() { b = 0; }\n"
|
|
" };\n"
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("void func1()\n"
|
|
"{\n"
|
|
" struct Fred\n"
|
|
" {\n"
|
|
" int a;\n"
|
|
" Fred() { a = 0; }\n"
|
|
" };\n"
|
|
"}\n"
|
|
"\n"
|
|
"void func2()\n"
|
|
"{\n"
|
|
" struct Fred\n"
|
|
" {\n"
|
|
" int b;\n"
|
|
" Fred() { b = 0; }\n"
|
|
" };\n"
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Foo {\n"
|
|
" void func1()\n"
|
|
" {\n"
|
|
" struct Fred\n"
|
|
" {\n"
|
|
" int a;\n"
|
|
" Fred() { a = 0; }\n"
|
|
" };\n"
|
|
" }\n"
|
|
"\n"
|
|
" void func2()\n"
|
|
" {\n"
|
|
" struct Fred\n"
|
|
" {\n"
|
|
" int b;\n"
|
|
" Fred() { b = 0; }\n"
|
|
" };\n"
|
|
" }\n"
|
|
"};");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Foo {\n"
|
|
" void func1()\n"
|
|
" {\n"
|
|
" struct Fred\n"
|
|
" {\n"
|
|
" int a;\n"
|
|
" Fred() { }\n"
|
|
" };\n"
|
|
" }\n"
|
|
"\n"
|
|
" void func2()\n"
|
|
" {\n"
|
|
" struct Fred\n"
|
|
" {\n"
|
|
" int b;\n"
|
|
" Fred() { }\n"
|
|
" };\n"
|
|
" }\n"
|
|
"};");
|
|
|
|
ASSERT_EQUALS("[test.cpp:7]: (warning) Member variable 'Fred::a' is not initialized in the constructor.\n"
|
|
"[test.cpp:16]: (warning) Member variable 'Fred::b' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void initvar_chained_assign() {
|
|
// Bug 2270433 - Uninitialized variable false positive on chained assigns
|
|
|
|
check("struct c\n"
|
|
"{\n"
|
|
" c();\n"
|
|
"\n"
|
|
" int m_iMyInt1;\n"
|
|
" int m_iMyInt2;\n"
|
|
"}\n"
|
|
"\n"
|
|
"c::c()\n"
|
|
"{\n"
|
|
" m_iMyInt1 = m_iMyInt2 = 0;\n"
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
|
|
void initvar_2constructors() {
|
|
check("struct c\n"
|
|
"{\n"
|
|
" c();\n"
|
|
" explicit c(bool b);"
|
|
"\n"
|
|
" void InitInt();\n"
|
|
"\n"
|
|
" int m_iMyInt;\n"
|
|
" int m_bMyBool;\n"
|
|
"}\n"
|
|
"\n"
|
|
"c::c()\n"
|
|
"{\n"
|
|
" m_bMyBool = false;\n"
|
|
" InitInt();"
|
|
"}\n"
|
|
"\n"
|
|
"c::c(bool b)\n"
|
|
"{\n"
|
|
" m_bMyBool = b;\n"
|
|
" InitInt();\n"
|
|
"}\n"
|
|
"\n"
|
|
"void c::InitInt()\n"
|
|
"{\n"
|
|
" m_iMyInt = 0;\n"
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
|
|
void initvar_constvar() {
|
|
check("struct Fred\n"
|
|
"{\n"
|
|
" const char *s;\n"
|
|
" Fred();\n"
|
|
"};\n"
|
|
"Fred::Fred() : s(NULL)\n"
|
|
"{ }");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct Fred\n"
|
|
"{\n"
|
|
" const char *s;\n"
|
|
" Fred();\n"
|
|
"};\n"
|
|
"Fred::Fred()\n"
|
|
"{ s = NULL; }");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct Fred\n"
|
|
"{\n"
|
|
" const char *s;\n"
|
|
" Fred();\n"
|
|
"};\n"
|
|
"Fred::Fred()\n"
|
|
"{ }");
|
|
ASSERT_EQUALS("[test.cpp:6]: (warning) Member variable 'Fred::s' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
|
|
void initvar_staticvar() {
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Fred() { }\n"
|
|
" static void *p;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
|
|
void initvar_brace_init() { // #10142
|
|
check("class C\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" C() {}\n"
|
|
"\n"
|
|
"private:\n"
|
|
" std::map<int, double> * values_{};\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
|
|
void initvar_union() {
|
|
check("class Fred\n"
|
|
"{\n"
|
|
" union\n"
|
|
" {\n"
|
|
" int a;\n"
|
|
" char b[4];\n"
|
|
" } U;\n"
|
|
"public:\n"
|
|
" Fred()\n"
|
|
" {\n"
|
|
" U.a = 0;\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Fred\n"
|
|
"{\n"
|
|
" union\n"
|
|
" {\n"
|
|
" int a;\n"
|
|
" char b[4];\n"
|
|
" } U;\n"
|
|
"public:\n"
|
|
" Fred()\n"
|
|
" {\n"
|
|
" }\n"
|
|
"};");
|
|
TODO_ASSERT_EQUALS("[test.cpp:9]: (warning) Member variable 'Fred::U' is not initialized in the constructor.\n", "", errout.str());
|
|
}
|
|
|
|
|
|
void initvar_delegate() {
|
|
check("class A {\n"
|
|
" int number;\n"
|
|
"public:\n"
|
|
" A(int n) { }\n"
|
|
" A() : A(42) {}\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'A::number' is not initialized in the constructor.\n"
|
|
"[test.cpp:5]: (warning) Member variable 'A::number' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("class A {\n"
|
|
" int number;\n"
|
|
"public:\n"
|
|
" A(int n) { number = n; }\n"
|
|
" A() : A(42) {}\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class A {\n"
|
|
" int number;\n"
|
|
"public:\n"
|
|
" A(int n) : A() { }\n"
|
|
" A() {}\n"
|
|
"};", true);
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'A::number' is not initialized in the constructor.\n"
|
|
"[test.cpp:5]: (warning, inconclusive) Member variable 'A::number' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("class A {\n"
|
|
" int number;\n"
|
|
"public:\n"
|
|
" A(int n) : A() { }\n"
|
|
" A() { number = 42; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class A {\n"
|
|
" int number;\n"
|
|
"public:\n"
|
|
" A(int n) { }\n"
|
|
" A() : A{42} {}\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'A::number' is not initialized in the constructor.\n"
|
|
"[test.cpp:5]: (warning) Member variable 'A::number' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("class A {\n"
|
|
" int number;\n"
|
|
"public:\n"
|
|
" A(int n) { number = n; }\n"
|
|
" A() : A{42} {}\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class A {\n"
|
|
" int number;\n"
|
|
"public:\n"
|
|
" A(int n) : A{} { }\n"
|
|
" A() {}\n"
|
|
"};", true);
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'A::number' is not initialized in the constructor.\n"
|
|
"[test.cpp:5]: (warning, inconclusive) Member variable 'A::number' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("class A {\n"
|
|
" int number;\n"
|
|
"public:\n"
|
|
" A(int n) : A{} { }\n"
|
|
" A() { number = 42; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
// Ticket #6675
|
|
check("struct Foo {\n"
|
|
" Foo();\n"
|
|
" Foo(int foo);\n"
|
|
" int foo_;\n"
|
|
"};\n"
|
|
"Foo::Foo() : Foo(0) {}\n"
|
|
"Foo::Foo(int foo) : foo_(foo) {}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
// Noexcept ctors
|
|
check("class A {\n"
|
|
"private:\n"
|
|
" int _a;\n"
|
|
"public:\n"
|
|
" A(const int a) noexcept : _a{a} {}\n"
|
|
" A() noexcept;\n"
|
|
"};\n"
|
|
"\n"
|
|
"A::A() noexcept: A(0) {}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
// Ticket #8581
|
|
check("class A {\n"
|
|
"private:\n"
|
|
" int _a;\n"
|
|
"public:\n"
|
|
" A(int a) : _a(a) {}\n"
|
|
" A(float a) : A(int(a)) {}\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
// Ticket #8258
|
|
check("struct F{};\n"
|
|
"struct Foo {\n"
|
|
" Foo(int a, F&& f, int b = 21) : _a(a), _b(b), _f(f) {}\n"
|
|
" Foo(int x, const char* value) : Foo(x, F(), 42) {}\n"
|
|
" Foo(int x, int* value) : Foo(x, F()) {}\n"
|
|
" int _a;\n"
|
|
" int _b;\n"
|
|
" F _f;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void initvar_delegate2() {
|
|
check("class Foo {\n"
|
|
"public:\n"
|
|
" explicit Foo(const Bar bar);\n"
|
|
" Foo(const std::string& id);\n"
|
|
" virtual ~RtpSession() { }\n"
|
|
"protected:\n"
|
|
" bool a;\n"
|
|
" uint16_t b;\n"
|
|
"};\n"
|
|
"\n"
|
|
"Foo::Foo(const Bar var)\n"
|
|
" : Foo(bar->getId())\n"
|
|
"{\n"
|
|
"}\n"
|
|
"\n"
|
|
"Foo::Foo(const std::string& id)\n"
|
|
" : a(true)\n"
|
|
" , b(0)\n"
|
|
"{\n"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void initvar_derived_class() {
|
|
check("class Base {\n" // #10161
|
|
"public:\n"
|
|
" virtual void foo() = 0;\n"
|
|
" int x;\n" // <- uninitialized
|
|
"};\n"
|
|
"\n"
|
|
"class Derived: public Base {\n"
|
|
"public:\n"
|
|
" Derived() {}\n"
|
|
" void foo() override;\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:9]: (warning) Member variable 'Base::x' is not initialized in the constructor. Maybe it should be initialized directly in the class Base?\n", errout.str());
|
|
|
|
check("struct A {\n" // #3462
|
|
" char ca;\n"
|
|
" A& operator=(const A& a) {\n"
|
|
" ca = a.ca;\n"
|
|
" return *this;\n"
|
|
" }\n"
|
|
"};\n"
|
|
"struct B : public A {\n"
|
|
" char cb;\n"
|
|
" B& operator=(const B& b) {\n"
|
|
" A::operator=(b);\n"
|
|
" return *this;\n"
|
|
" }\n"
|
|
"};\n");
|
|
ASSERT_EQUALS("[test.cpp:10]: (warning) Member variable 'B::cb' is not assigned a value in 'B::operator='.\n", errout.str());
|
|
|
|
check("struct A {\n"
|
|
" char ca;\n"
|
|
" A& operator=(const A& a) {\n"
|
|
" return *this;\n"
|
|
" }\n"
|
|
"};\n"
|
|
"struct B : public A {\n"
|
|
" char cb;\n"
|
|
" B& operator=(const B& b) {\n"
|
|
" A::operator=(b);\n"
|
|
" return *this;\n"
|
|
" }\n"
|
|
"};\n");
|
|
ASSERT_EQUALS("[test.cpp:3]: (warning) Member variable 'A::ca' is not assigned a value in 'A::operator='.\n"
|
|
"[test.cpp:9]: (warning) Member variable 'B::cb' is not assigned a value in 'B::operator='.\n"
|
|
"[test.cpp:9]: (warning) Member variable 'B::ca' is not assigned a value in 'B::operator='.\n",
|
|
errout.str());
|
|
|
|
}
|
|
|
|
void initvar_private_constructor() {
|
|
settings.standards.cpp = Standards::CPP11;
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" int var;\n"
|
|
" Fred();\n"
|
|
"};\n"
|
|
"Fred::Fred()\n"
|
|
"{ }");
|
|
ASSERT_EQUALS("[test.cpp:7]: (warning) Member variable 'Fred::var' is not initialized in the constructor.\n", errout.str());
|
|
|
|
settings.standards.cpp = Standards::CPP03;
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" int var;\n"
|
|
" Fred();\n"
|
|
"};\n"
|
|
"Fred::Fred()\n"
|
|
"{ }");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void initvar_copy_constructor() { // ticket #1611
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" std::string var;\n"
|
|
"public:\n"
|
|
" Fred() { };\n"
|
|
" Fred(const Fred &) { };\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" std::string var;\n"
|
|
"public:\n"
|
|
" Fred() { };\n"
|
|
" Fred(const Fred &) { };\n"
|
|
"};", true);
|
|
ASSERT_EQUALS("[test.cpp:7]: (warning, inconclusive) Member variable 'Fred::var' is not assigned in the copy constructor. Should it be copied?\n", errout.str());
|
|
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" std::string var;\n"
|
|
"public:\n"
|
|
" Fred();\n"
|
|
" Fred(const Fred &);\n"
|
|
"};\n"
|
|
"Fred::Fred() { };\n"
|
|
"Fred::Fred(const Fred &) { };\n", true);
|
|
ASSERT_EQUALS("[test.cpp:10]: (warning, inconclusive) Member variable 'Fred::var' is not assigned in the copy constructor. Should it be copied?\n", errout.str());
|
|
|
|
check("class Baz {};\n" // #8496
|
|
"class Bar {\n"
|
|
"public:\n"
|
|
" explicit Bar(Baz* pBaz = NULL) : i(0) {}\n"
|
|
" Bar(const Bar& bar) {}\n"
|
|
" int i;\n"
|
|
"};\n", true);
|
|
ASSERT_EQUALS("[test.cpp:5]: (warning) Member variable 'Bar::i' is not initialized in the copy constructor.\n", errout.str());
|
|
}
|
|
|
|
void initvar_nested_constructor() { // ticket #1375
|
|
check("class A {\n"
|
|
"public:\n"
|
|
" A();\n"
|
|
" struct B {\n"
|
|
" explicit B(int x);\n"
|
|
" struct C {\n"
|
|
" explicit C(int y);\n"
|
|
" struct D {\n"
|
|
" int d;\n"
|
|
" explicit D(int z);\n"
|
|
" };\n"
|
|
" int c;\n"
|
|
" };\n"
|
|
" int b;\n"
|
|
" };\n"
|
|
"private:\n"
|
|
" int a;\n"
|
|
" B b;\n"
|
|
"};\n"
|
|
"A::A(){}\n"
|
|
"A::B::B(int x){}\n"
|
|
"A::B::C::C(int y){}\n"
|
|
"A::B::C::D::D(int z){}");
|
|
// Note that the example code is not compilable. The A constructor must
|
|
// explicitly initialize A::b. A warning for A::b is not necessary.
|
|
ASSERT_EQUALS("[test.cpp:20]: (warning) Member variable 'A::a' is not initialized in the constructor.\n"
|
|
"[test.cpp:21]: (warning) Member variable 'B::b' is not initialized in the constructor.\n"
|
|
"[test.cpp:22]: (warning) Member variable 'C::c' is not initialized in the constructor.\n"
|
|
"[test.cpp:23]: (warning) Member variable 'D::d' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("class A {\n"
|
|
"public:\n"
|
|
" A();\n"
|
|
" struct B {\n"
|
|
" explicit B(int x);\n"
|
|
" struct C {\n"
|
|
" explicit C(int y);\n"
|
|
" struct D {\n"
|
|
" D(const D &);\n"
|
|
" int d;\n"
|
|
" };\n"
|
|
" int c;\n"
|
|
" };\n"
|
|
" int b;\n"
|
|
" };\n"
|
|
"private:\n"
|
|
" int a;\n"
|
|
" B b;\n"
|
|
"};\n"
|
|
"A::A(){}\n"
|
|
"A::B::B(int x){}\n"
|
|
"A::B::C::C(int y){}\n"
|
|
"A::B::C::D::D(const A::B::C::D & d){}");
|
|
// Note that the example code is not compilable. The A constructor must
|
|
// explicitly initialize A::b. A warning for A::b is not necessary.
|
|
ASSERT_EQUALS("[test.cpp:20]: (warning) Member variable 'A::a' is not initialized in the constructor.\n"
|
|
"[test.cpp:21]: (warning) Member variable 'B::b' is not initialized in the constructor.\n"
|
|
"[test.cpp:22]: (warning) Member variable 'C::c' is not initialized in the constructor.\n"
|
|
"[test.cpp:23]: (warning) Member variable 'D::d' is not initialized in the copy constructor.\n", errout.str());
|
|
|
|
check("class A {\n"
|
|
"public:\n"
|
|
" A();\n"
|
|
" struct B {\n"
|
|
" explicit B(int x);\n"
|
|
" struct C {\n"
|
|
" explicit C(int y);\n"
|
|
" struct D {\n"
|
|
" struct E { int e; };\n"
|
|
" struct E d;\n"
|
|
" explicit D(const E &);\n"
|
|
" };\n"
|
|
" int c;\n"
|
|
" };\n"
|
|
" int b;\n"
|
|
" };\n"
|
|
"private:\n"
|
|
" int a;\n"
|
|
" B b;\n"
|
|
"};\n"
|
|
"A::A(){}\n"
|
|
"A::B::B(int x){}\n"
|
|
"A::B::C::C(int y){}\n"
|
|
"A::B::C::D::D(const A::B::C::D::E & e){}");
|
|
// Note that the example code is not compilable. The A constructor must
|
|
// explicitly initialize A::b. A warning for A::b is not necessary.
|
|
ASSERT_EQUALS("[test.cpp:21]: (warning) Member variable 'A::a' is not initialized in the constructor.\n"
|
|
"[test.cpp:22]: (warning) Member variable 'B::b' is not initialized in the constructor.\n"
|
|
"[test.cpp:23]: (warning) Member variable 'C::c' is not initialized in the constructor.\n"
|
|
"[test.cpp:24]: (warning) Member variable 'D::d' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void initvar_nocopy1() { // ticket #2474
|
|
check("class B\n"
|
|
"{\n"
|
|
" B (const B & Var);\n"
|
|
"};\n"
|
|
"class A\n"
|
|
"{\n"
|
|
" B m_SemVar;\n"
|
|
"public:\n"
|
|
" A(){}\n"
|
|
" A(const A&){}\n"
|
|
" A(A &&){}\n"
|
|
" const A& operator=(const A&){return *this;}\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class B\n"
|
|
"{\n"
|
|
" B (B && Var);\n"
|
|
"};\n"
|
|
"class A\n"
|
|
"{\n"
|
|
" B m_SemVar;\n"
|
|
"public:\n"
|
|
" A(){}\n"
|
|
" A(const A&){}\n"
|
|
" A(A &&){}\n"
|
|
" const A& operator=(const A&){return *this;}\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class B\n"
|
|
"{\n"
|
|
" B & operator= (const B & Var);\n"
|
|
"public:\n"
|
|
" B ();\n"
|
|
"};\n"
|
|
"class A\n"
|
|
"{\n"
|
|
" B m_SemVar;\n"
|
|
"public:\n"
|
|
" A(){}\n"
|
|
" A(const A&){}\n"
|
|
" A(A &&){}\n"
|
|
" const A& operator=(const A&){return *this;}\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class B\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" B (const B & Var);\n"
|
|
"};\n"
|
|
"class A\n"
|
|
"{\n"
|
|
" B m_SemVar;\n"
|
|
"public:\n"
|
|
" A(){}\n"
|
|
" A(const A&){}\n"
|
|
" A(A &&){}\n"
|
|
" const A& operator=(const A&){return *this;}\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class A : public std::vector<int>\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" A(const A &a);\n"
|
|
"};\n"
|
|
"class B\n"
|
|
"{\n"
|
|
" A a;\n"
|
|
"public:\n"
|
|
" B(){}\n"
|
|
" B(const B&){}\n"
|
|
" B(B &&){}\n"
|
|
" const B& operator=(const B&){return *this;}\n"
|
|
"};", true);
|
|
ASSERT_EQUALS("[test.cpp:11]: (warning, inconclusive) Member variable 'B::a' is not assigned in the copy constructor. Should it be copied?\n"
|
|
"[test.cpp:12]: (warning, inconclusive) Member variable 'B::a' is not assigned in the move constructor. Should it be moved?\n"
|
|
"[test.cpp:13]: (warning, inconclusive) Member variable 'B::a' is not assigned a value in 'B::operator='.\n",
|
|
errout.str());
|
|
|
|
check("class B\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" B (B && Var);\n"
|
|
" int data;\n"
|
|
"};\n"
|
|
"class A\n"
|
|
"{\n"
|
|
" B m_SemVar;\n"
|
|
"public:\n"
|
|
" A(){}\n"
|
|
" A(const A&){}\n"
|
|
" A(A &&){}\n"
|
|
" const A& operator=(const A&){return *this;}\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:13]: (warning) Member variable 'A::m_SemVar' is not initialized in the move constructor.\n", errout.str());
|
|
|
|
check("class B\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" B ();\n"
|
|
" B & operator= (const B & Var);\n"
|
|
" int data;\n"
|
|
"};\n"
|
|
"class A\n"
|
|
"{\n"
|
|
" B m_SemVar;\n"
|
|
"public:\n"
|
|
" A(){}\n"
|
|
" A(const A&){}\n"
|
|
" A(A &&){}\n"
|
|
" const A& operator=(const A&){return *this;}\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class A\n"
|
|
"{\n"
|
|
" B m_SemVar;\n"
|
|
"public:\n"
|
|
" A(){}\n"
|
|
" A(const A&){}\n"
|
|
" const A& operator=(const A&){return *this;}\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void initvar_nocopy2() { // ticket #2484
|
|
check("class B\n"
|
|
"{\n"
|
|
" B (B & Var);\n"
|
|
" B & operator= (const B & Var);\n"
|
|
" int data;\n"
|
|
"};\n"
|
|
"class A\n"
|
|
"{\n"
|
|
" B m_SemVar;\n"
|
|
"public:\n"
|
|
" A(){}\n"
|
|
" A(const A&){}\n"
|
|
" const A& operator=(const A&){return *this;}\n"
|
|
"};", true);
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class B\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" B (B & Var);\n"
|
|
" B & operator= (const B & Var);\n"
|
|
" int data;\n"
|
|
"};\n"
|
|
"class A\n"
|
|
"{\n"
|
|
" B m_SemVar;\n"
|
|
"public:\n"
|
|
" A(){}\n"
|
|
" A(const A&){}\n"
|
|
" const A& operator=(const A&){return *this;}\n"
|
|
"};", true);
|
|
ASSERT_EQUALS("[test.cpp:12]: (warning) Member variable 'A::m_SemVar' is not initialized in the constructor.\n"
|
|
"[test.cpp:13]: (warning) Member variable 'A::m_SemVar' is not initialized in the copy constructor.\n"
|
|
"[test.cpp:14]: (warning) Member variable 'A::m_SemVar' is not assigned a value in 'A::operator='.\n", errout.str());
|
|
}
|
|
|
|
void initvar_nocopy3() { // #3611 - unknown type is non-copyable
|
|
check("struct A {\n"
|
|
" B b;\n"
|
|
" A() {}\n"
|
|
" A(const A& rhs) {}\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct A {\n"
|
|
" B b;\n"
|
|
" A() {}\n"
|
|
" A(const A& rhs) {}\n"
|
|
"};", true);
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning, inconclusive) Member variable 'A::b' is not assigned in the copy constructor. Should it be copied?\n", errout.str());
|
|
}
|
|
|
|
void initvar_nocopy4() { // #9247
|
|
check("struct S {\n"
|
|
" S(const S & s);\n"
|
|
" void S::Set(const T& val);\n"
|
|
" void S::Set(const U& val);\n"
|
|
" T t;\n"
|
|
"};\n"
|
|
"S::S(const S& s) {\n"
|
|
" Set(s.t);\n"
|
|
"}\n"
|
|
"void S::Set(const T& val) {\n"
|
|
" t = val;\n"
|
|
"}", /*inconclusive*/ true);
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void initvar_with_member_function_this() {
|
|
check("struct Foo {\n"
|
|
" Foo(int m) { this->setMember(m); }\n"
|
|
" void setMember(int m) { member = m; }\n"
|
|
" int member;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void initvar_destructor() {
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" int var;\n"
|
|
"public:\n"
|
|
" Fred() : var(0) {}\n"
|
|
" ~Fred() {}\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void initvar_func_ret_func_ptr() { // ticket #4449 (segmentation fault)
|
|
check("class something {\n"
|
|
" int * ( something :: * process()) () { return 0; }\n"
|
|
" something() { process(); }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void initvar_alias() { // #6921
|
|
check("struct S {\n"
|
|
" int a;\n"
|
|
" S() {\n"
|
|
" int& pa = a;\n"
|
|
" pa = 4;\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct S {\n"
|
|
" int a;\n"
|
|
" S() {\n"
|
|
" int* pa = &a;\n"
|
|
" *pa = 4;\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct S {\n"
|
|
" int a[2];\n"
|
|
" S() {\n"
|
|
" int* pa = a;\n"
|
|
" for (int i = 0; i < 2; i++)\n"
|
|
" *pa++ = i;\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct S {\n"
|
|
" int* a[2];\n"
|
|
" S() {\n"
|
|
" int* pa = a[1];\n"
|
|
" *pa = 0;\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:3]: (warning) Member variable 'S::a' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("struct S {\n"
|
|
" int a;\n"
|
|
" S() {\n"
|
|
" int pa = a;\n"
|
|
" pa = 4;\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:3]: (warning) Member variable 'S::a' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void initvar_templateMember() {
|
|
check("template<int n_>\n"
|
|
"struct Wrapper {\n"
|
|
" static void foo(int * x) {\n"
|
|
" for (int i(0); i <= n_; ++i)\n"
|
|
" x[i] = 5;\n"
|
|
" }\n"
|
|
"};\n"
|
|
"class A {\n"
|
|
"public:\n"
|
|
" static constexpr int dim = 5;\n"
|
|
" int x[dim + 1];\n"
|
|
" A() {\n"
|
|
" Wrapper<dim>::foo(x);\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void initvar_smartptr() { // #10237
|
|
Settings s;
|
|
s.libraries.emplace_back("std");
|
|
check("struct S {\n"
|
|
" explicit S(const std::shared_ptr<S>& sp) {\n"
|
|
" set(*sp);\n"
|
|
" }\n"
|
|
" double get() const {\n"
|
|
" return d;\n"
|
|
" }\n"
|
|
" void set(const S& rhs) {\n"
|
|
" d = rhs.get();\n"
|
|
" }\n"
|
|
" double d;\n"
|
|
"};", s);
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct S {\n" // #8485
|
|
" explicit S(const T& rhs) { set(*rhs); }\n"
|
|
" void set(const S& v) {\n"
|
|
" d = v.d;\n"
|
|
" }\n"
|
|
" double d; \n"
|
|
"};\n");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void operatorEqSTL() {
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" std::vector<int> ints;\n"
|
|
"public:\n"
|
|
" Fred();\n"
|
|
" void operator=(const Fred &f);\n"
|
|
"};\n"
|
|
"\n"
|
|
"Fred::Fred()\n"
|
|
"{ }\n"
|
|
"\n"
|
|
"void Fred::operator=(const Fred &f)\n"
|
|
"{ }", true);
|
|
ASSERT_EQUALS("[test.cpp:13]: (warning, inconclusive) Member variable 'Fred::ints' is not assigned a value in 'Fred::operator='.\n", errout.str());
|
|
|
|
Settings s;
|
|
s.certainty.setEnabled(Certainty::inconclusive, true);
|
|
s.severity.enable(Severity::style);
|
|
s.severity.enable(Severity::warning);
|
|
LOAD_LIB_2(s.library, "std.cfg");
|
|
check("struct S {\n"
|
|
" S& operator=(const S& s) { return *this; }\n"
|
|
" std::mutex m;\n"
|
|
"};\n", s);
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar1() {
|
|
check("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"
|
|
"};");
|
|
|
|
ASSERT_EQUALS("[test.cpp:10]: (warning) Member variable 'Fred::_code' is not initialized in the constructor.\n", errout.str());
|
|
|
|
|
|
check("class A{};\n"
|
|
"\n"
|
|
"class B : public A\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" B() {}\n"
|
|
"private:\n"
|
|
" float f;\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:6]: (warning) Member variable 'B::f' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("class C\n"
|
|
"{\n"
|
|
" FILE *fp;\n"
|
|
"\n"
|
|
"public:\n"
|
|
" explicit C(FILE *fp);\n"
|
|
"};\n"
|
|
"\n"
|
|
"C::C(FILE *fp) {\n"
|
|
" C::fp = fp;\n"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar2() {
|
|
check("class John\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" John() { (*this).i = 0; }\n"
|
|
"private:\n"
|
|
" int i;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar3() {
|
|
// No FP when struct has constructor
|
|
check("class Foo\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Foo() { }\n"
|
|
"private:\n"
|
|
" struct Bar {\n"
|
|
" Bar();\n"
|
|
" };\n"
|
|
" Bar bars[2];\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
// Using struct that doesn't have constructor
|
|
check("class Foo\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Foo() { }\n"
|
|
"private:\n"
|
|
" struct Bar {\n"
|
|
" int x;\n"
|
|
" };\n"
|
|
" Bar bars[2];\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Foo::bars' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitVar4() {
|
|
check("class Foo\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Foo() { bar.x = 0; }\n"
|
|
"private:\n"
|
|
" struct Bar {\n"
|
|
" int x;\n"
|
|
" };\n"
|
|
" struct Bar bar;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar5() {
|
|
check("class Foo\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Foo() { }\n"
|
|
" Foo &operator=(const Foo &)\n"
|
|
" { return *this; }\n"
|
|
" static int i;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar6() {
|
|
check("class Foo : public Bar\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" explicit Foo(int i) : Bar(mi=i) { }\n"
|
|
"private:\n"
|
|
" int mi;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Foo : public Bar\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" explicit Foo(int i) : Bar{mi=i} { }\n"
|
|
"private:\n"
|
|
" int mi;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar7() {
|
|
check("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"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar8() {
|
|
check("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"
|
|
"}");
|
|
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
|
|
check("class Prefs {\n"
|
|
"private:\n"
|
|
" int xasd;\n"
|
|
"public:\n"
|
|
" explicit Prefs(wxSize size);\n"
|
|
"};\n"
|
|
"Prefs::Prefs(wxSize size)\n"
|
|
"{\n"
|
|
" SetMinSize( wxSize( 48,48 ) );\n"
|
|
"}");
|
|
ASSERT_EQUALS("[test.cpp:7]: (warning) Member variable 'Prefs::xasd' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitVar10() { // ticket #1993
|
|
check("class A {\n"
|
|
"public:\n"
|
|
" A();\n"
|
|
"private:\n"
|
|
" int var1;\n"
|
|
" int var2;\n"
|
|
"};\n"
|
|
"A::A() : var1(0) { }");
|
|
ASSERT_EQUALS("[test.cpp:8]: (warning) Member variable 'A::var2' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitVar11() {
|
|
check("class A {\n"
|
|
"public:\n"
|
|
" explicit A(int a = 0);\n"
|
|
"private:\n"
|
|
" int var;\n"
|
|
"};\n"
|
|
"A::A(int a) { }");
|
|
ASSERT_EQUALS("[test.cpp:7]: (warning) Member variable 'A::var' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitVar12() { // ticket #2078
|
|
check("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"
|
|
"};");
|
|
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
|
|
check("class A {\n"
|
|
"private:\n"
|
|
" std::vector<int> *ints;\n"
|
|
"public:\n"
|
|
" A()\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
|
|
check("class Foo\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Foo();\n"
|
|
"private:\n"
|
|
" bool mMember;\n"
|
|
"};\n"
|
|
"Foo::Foo()\n"
|
|
"{\n"
|
|
"}");
|
|
ASSERT_EQUALS("[test.cpp:8]: (warning) Member variable 'Foo::mMember' is not initialized in the constructor.\n", errout.str());
|
|
|
|
// single namespace
|
|
check("namespace Output\n"
|
|
"{\n"
|
|
" class Foo\n"
|
|
" {\n"
|
|
" public:\n"
|
|
" Foo();\n"
|
|
" private:\n"
|
|
" bool mMember;\n"
|
|
" };\n"
|
|
" Foo::Foo()\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
|
|
check("namespace Output\n"
|
|
"{\n"
|
|
" class Foo\n"
|
|
" {\n"
|
|
" public:\n"
|
|
" Foo();\n"
|
|
" private:\n"
|
|
" bool mMember;\n"
|
|
" };\n"
|
|
"}\n"
|
|
"Foo::Foo()\n"
|
|
"{\n"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
// constructor outside namespace
|
|
check("namespace Output\n"
|
|
"{\n"
|
|
" class Foo\n"
|
|
" {\n"
|
|
" public:\n"
|
|
" Foo();\n"
|
|
" private:\n"
|
|
" bool mMember;\n"
|
|
" };\n"
|
|
"}\n"
|
|
"Output::Foo::Foo()\n"
|
|
"{\n"
|
|
"}");
|
|
ASSERT_EQUALS("[test.cpp:11]: (warning) Member variable 'Foo::mMember' is not initialized in the constructor.\n", errout.str());
|
|
|
|
// constructor outside namespace with using, #4792
|
|
check("namespace Output\n"
|
|
"{\n"
|
|
" class Foo\n"
|
|
" {\n"
|
|
" public:\n"
|
|
" Foo();\n"
|
|
" private:\n"
|
|
" bool mMember;\n"
|
|
" };\n"
|
|
"}\n"
|
|
"using namespace Output;"
|
|
"Foo::Foo()\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
|
|
check("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"
|
|
"}");
|
|
ASSERT_EQUALS("[test.cpp:13]: (warning) Member variable 'Foo::mMember' is not initialized in the constructor.\n", errout.str());
|
|
|
|
// constructor in different separate namespace
|
|
check("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"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
// constructor in different separate namespace (won't compile)
|
|
check("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"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
// constructor in nested separate namespace
|
|
check("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"
|
|
"}");
|
|
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
|
|
check("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"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
// constructor in nested different separate namespace
|
|
check("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"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar15() {
|
|
check("class Fred\n"
|
|
"{\n"
|
|
" int a;\n"
|
|
"public:\n"
|
|
" Fred();\n"
|
|
" ~Fred();\n"
|
|
"};\n"
|
|
"Fred::~Fred()\n"
|
|
"{\n"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar16() {
|
|
check("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"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("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"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:10]: (warning) Member variable 'Bar::foo' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitVar17() {
|
|
check("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"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct Foo\n"
|
|
"{\n"
|
|
" int a;\n"
|
|
"};\n"
|
|
"class Bar\n"
|
|
"{\n"
|
|
" Foo foo[10];\n"
|
|
"public:\n"
|
|
" Bar()\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
|
|
check("struct Altren\n"
|
|
"{\n"
|
|
" explicit Altren(int _a = 0) : value(0) { }\n"
|
|
" int value;\n"
|
|
"};\n"
|
|
"class A\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" A() { }\n"
|
|
"private:\n"
|
|
" Altren value;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar19() { // ticket #2792
|
|
check("class mystring\n"
|
|
"{\n"
|
|
" char* m_str;\n"
|
|
" int m_len;\n"
|
|
"public:\n"
|
|
" explicit 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"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar20() { // ticket #2867
|
|
check("Object::MemFunc() {\n"
|
|
" class LocalClass {\n"
|
|
" public:\n"
|
|
" LocalClass() : dataLength_(0) {}\n"
|
|
" std::streamsize dataLength_;\n"
|
|
" double bitsInData_;\n"
|
|
" } obj;\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'LocalClass::bitsInData_' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("struct copy_protected;\n"
|
|
"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"
|
|
"};");
|
|
ASSERT_EQUALS(
|
|
"[test.cpp:5]: (warning) Member variable 'LocalClass::bitsInData_' is not initialized in the constructor.\n",
|
|
errout.str());
|
|
|
|
check("struct copy_protected;\n"
|
|
"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"
|
|
"};");
|
|
ASSERT_EQUALS(
|
|
"[test.cpp:5]: (warning) Member variable 'LocalClass::bitsInData_' is not initialized in the constructor.\n",
|
|
errout.str());
|
|
}
|
|
|
|
void uninitVar21() { // ticket #2947
|
|
check("class Fred {\n"
|
|
"private:\n"
|
|
" int a[23];\n"
|
|
"public:\n"
|
|
" Fred();\n"
|
|
"};\n"
|
|
"Fred::Fred() {\n"
|
|
" a[x::y] = 0;\n"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar22() { // ticket #3043
|
|
check("class Fred {\n"
|
|
" public:\n"
|
|
" Fred & operator=(const Fred &);\n"
|
|
" virtual Fred & clone(const Fred & other);\n"
|
|
" int x;\n"
|
|
"};\n"
|
|
"Fred & Fred::operator=(const Fred & other) {\n"
|
|
" return clone(other);\n"
|
|
"}\n"
|
|
"Fred & Fred::clone(const Fred & other) {\n"
|
|
" x = 0;\n"
|
|
" return *this;\n"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Fred {\n"
|
|
" public:\n"
|
|
" Fred & operator=(const Fred &);\n"
|
|
" virtual Fred & clone(const Fred & other);\n"
|
|
" int x;\n"
|
|
"};\n"
|
|
"Fred & Fred::operator=(const Fred & other) {\n"
|
|
" return clone(other);\n"
|
|
"}\n"
|
|
"Fred & Fred::clone(const Fred & other) {\n"
|
|
" return *this;\n"
|
|
"}");
|
|
ASSERT_EQUALS("[test.cpp:7]: (warning) Member variable 'Fred::x' is not assigned a value in 'Fred::operator='.\n", errout.str());
|
|
}
|
|
|
|
void uninitVar23() { // ticket #3702
|
|
check("class Fred {\n"
|
|
" int x;\n"
|
|
"public:\n"
|
|
" Fred(struct A a, struct B b);\n"
|
|
" Fred(C c, struct D d);\n"
|
|
" Fred(struct E e, F f);\n"
|
|
" Fred(struct G, struct H);\n"
|
|
" Fred(I, J);\n"
|
|
"};\n"
|
|
"Fred::Fred(A a, B b) { }\n"
|
|
"Fred::Fred(struct C c, D d) { }\n"
|
|
"Fred::Fred(E e, struct F f) { }\n"
|
|
"Fred::Fred(G g, H h) { }\n"
|
|
"Fred::Fred(struct I i, struct J j) { }");
|
|
ASSERT_EQUALS("[test.cpp:10]: (warning) Member variable 'Fred::x' is not initialized in the constructor.\n"
|
|
"[test.cpp:11]: (warning) Member variable 'Fred::x' is not initialized in the constructor.\n"
|
|
"[test.cpp:12]: (warning) Member variable 'Fred::x' is not initialized in the constructor.\n"
|
|
"[test.cpp:13]: (warning) Member variable 'Fred::x' is not initialized in the constructor.\n"
|
|
"[test.cpp:14]: (warning) Member variable 'Fred::x' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitVar24() { // ticket #3190
|
|
check("class Foo;\n"
|
|
"class Bar;\n"
|
|
"class Sub;\n"
|
|
"class Foo { class Sub; };\n"
|
|
"class Bar { class Sub; };\n"
|
|
"class Bar::Sub {\n"
|
|
" int b;\n"
|
|
"public:\n"
|
|
" Sub() { }\n"
|
|
" Sub(int);\n"
|
|
"};\n"
|
|
"Bar::Sub::Sub(int) { };\n"
|
|
"class ::Foo::Sub {\n"
|
|
" int f;\n"
|
|
"public:\n"
|
|
" ~Sub();\n"
|
|
" Sub();\n"
|
|
"};\n"
|
|
"::Foo::Sub::~Sub() { }\n"
|
|
"::Foo::Sub::Sub() { }\n"
|
|
"class Foo;\n"
|
|
"class Bar;\n"
|
|
"class Sub;\n", true);
|
|
|
|
ASSERT_EQUALS("[test.cpp:9]: (warning, inconclusive) Member variable 'Sub::b' is not initialized in the constructor.\n"
|
|
"[test.cpp:12]: (warning) Member variable 'Sub::b' is not initialized in the constructor.\n"
|
|
"[test.cpp:20]: (warning) Member variable 'Sub::f' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitVar25() { // ticket #4789
|
|
check("struct A {\n"
|
|
" int a;\n"
|
|
" int b;\n"
|
|
" int c;\n"
|
|
" A(int x = 0, int y = 0, int z = 0);\n"
|
|
"};\n"
|
|
"A::A(int x = 0, int y = 0, int z = 0) { }\n"
|
|
"struct B {\n"
|
|
" int a;\n"
|
|
" int b;\n"
|
|
" int c;\n"
|
|
" B(int x = 0, int y = 0, int z = 0);\n"
|
|
"};\n"
|
|
"B::B(int x, int y, int z) { }\n"
|
|
"struct C {\n"
|
|
" int a;\n"
|
|
" int b;\n"
|
|
" int c;\n"
|
|
" C(int, int, int);\n"
|
|
"};\n"
|
|
"C::C(int x = 0, int y = 0, int z = 0) { }\n"
|
|
"struct D {\n"
|
|
" int a;\n"
|
|
" int b;\n"
|
|
" int c;\n"
|
|
" D(int, int, int);\n"
|
|
"};\n"
|
|
"D::D(int x, int y, int z) { }\n"
|
|
"struct E {\n"
|
|
" int a;\n"
|
|
" int b;\n"
|
|
" int c;\n"
|
|
" E(int x, int y, int z);\n"
|
|
"};\n"
|
|
"E::E(int, int, int) { }\n"
|
|
"struct F {\n"
|
|
" int a;\n"
|
|
" int b;\n"
|
|
" int c;\n"
|
|
" F(int x = 0, int y = 0, int z = 0);\n"
|
|
"};\n"
|
|
"F::F(int, int, int) { }\n", true);
|
|
ASSERT_EQUALS("[test.cpp:7]: (warning) Member variable 'A::a' is not initialized in the constructor.\n"
|
|
"[test.cpp:7]: (warning) Member variable 'A::b' is not initialized in the constructor.\n"
|
|
"[test.cpp:7]: (warning) Member variable 'A::c' is not initialized in the constructor.\n"
|
|
"[test.cpp:14]: (warning) Member variable 'B::a' is not initialized in the constructor.\n"
|
|
"[test.cpp:14]: (warning) Member variable 'B::b' is not initialized in the constructor.\n"
|
|
"[test.cpp:14]: (warning) Member variable 'B::c' is not initialized in the constructor.\n"
|
|
"[test.cpp:21]: (warning) Member variable 'C::a' is not initialized in the constructor.\n"
|
|
"[test.cpp:21]: (warning) Member variable 'C::b' is not initialized in the constructor.\n"
|
|
"[test.cpp:21]: (warning) Member variable 'C::c' is not initialized in the constructor.\n"
|
|
"[test.cpp:28]: (warning) Member variable 'D::a' is not initialized in the constructor.\n"
|
|
"[test.cpp:28]: (warning) Member variable 'D::b' is not initialized in the constructor.\n"
|
|
"[test.cpp:28]: (warning) Member variable 'D::c' is not initialized in the constructor.\n"
|
|
"[test.cpp:35]: (warning) Member variable 'E::a' is not initialized in the constructor.\n"
|
|
"[test.cpp:35]: (warning) Member variable 'E::b' is not initialized in the constructor.\n"
|
|
"[test.cpp:35]: (warning) Member variable 'E::c' is not initialized in the constructor.\n"
|
|
"[test.cpp:42]: (warning) Member variable 'F::a' is not initialized in the constructor.\n"
|
|
"[test.cpp:42]: (warning) Member variable 'F::b' is not initialized in the constructor.\n"
|
|
"[test.cpp:42]: (warning) Member variable 'F::c' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitVar26() {
|
|
check("class A {\n"
|
|
" int * v;\n"
|
|
" int sz;\n"
|
|
"public:\n"
|
|
" A(int s) {\n"
|
|
" v = new int [sz = s];\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar27() {
|
|
check("class A {\n"
|
|
" double d;\n"
|
|
"public:\n"
|
|
" A() {\n"
|
|
" rtl::math::setNan(&d);\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
check("class A {\n"
|
|
" double d;\n"
|
|
"public:\n"
|
|
" A() {\n"
|
|
" ::rtl::math::setNan(&d);\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar28() {
|
|
check("class Fred {\n"
|
|
" int i;\n"
|
|
" float f;\n"
|
|
"public:\n"
|
|
" Fred() {\n"
|
|
" foo(1);\n"
|
|
" foo(1.0f);\n"
|
|
" }\n"
|
|
" void foo(int a) { i = a; }\n"
|
|
" void foo(float a) { f = a; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar29() {
|
|
check("class A {\n"
|
|
" int i;\n"
|
|
"public:\n"
|
|
" A() { foo(); }\n"
|
|
" void foo() const { };\n"
|
|
" void foo() { i = 0; }\n"
|
|
"};\n"
|
|
"class B {\n"
|
|
" int i;\n"
|
|
"public:\n"
|
|
" B() { foo(); }\n"
|
|
" void foo() { i = 0; }\n"
|
|
" void foo() const { }\n"
|
|
"};\n"
|
|
"class C {\n"
|
|
" int i;\n"
|
|
"public:\n"
|
|
" C() { foo(); }\n"
|
|
" void foo() const { i = 0; }\n"
|
|
" void foo() { }\n"
|
|
"};\n"
|
|
"class D {\n"
|
|
" int i;\n"
|
|
"public:\n"
|
|
" D() { foo(); }\n"
|
|
" void foo() { }\n"
|
|
" void foo() const { i = 0; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:18]: (warning) Member variable 'C::i' is not initialized in the constructor.\n"
|
|
"[test.cpp:25]: (warning) Member variable 'D::i' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitVar30() { // ticket #6417
|
|
check("namespace NS {\n"
|
|
" class MyClass {\n"
|
|
" public:\n"
|
|
" MyClass();\n"
|
|
" ~MyClass();\n"
|
|
" private:\n"
|
|
" bool SomeVar;\n"
|
|
" };\n"
|
|
"}\n"
|
|
"using namespace NS;\n"
|
|
"MyClass::~MyClass() { }\n"
|
|
"MyClass::MyClass() : SomeVar(false) { }");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar31() { // ticket #8271
|
|
check("void bar();\n"
|
|
"class MyClass {\n"
|
|
"public:\n"
|
|
" MyClass();\n"
|
|
" void Restart();\n"
|
|
"protected:\n"
|
|
" int m_retCode;\n"
|
|
"};\n"
|
|
"MyClass::MyClass() {\n"
|
|
" bar(),Restart();\n"
|
|
"}\n"
|
|
"void MyClass::Restart() {\n"
|
|
" m_retCode = 0;\n"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVar32() { // ticket #8835
|
|
check("class Foo {\n"
|
|
" friend class Bar;\n"
|
|
" int member;\n"
|
|
"public:\n"
|
|
" Foo()\n"
|
|
" {\n"
|
|
" if (1) {}\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:5]: (warning) Member variable 'Foo::member' is not initialized in the constructor.\n", errout.str());
|
|
check("class Foo {\n"
|
|
" friend class Bar;\n"
|
|
" int member;\n"
|
|
"public:\n"
|
|
" Foo()\n"
|
|
" {\n"
|
|
" while (1) {}\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:5]: (warning) Member variable 'Foo::member' is not initialized in the constructor.\n", errout.str());
|
|
check("class Foo {\n"
|
|
" friend class Bar;\n"
|
|
" int member;\n"
|
|
"public:\n"
|
|
" Foo()\n"
|
|
" {\n"
|
|
" for (;;) {}\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:5]: (warning) Member variable 'Foo::member' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitVar33() { // ticket #10295
|
|
check("namespace app {\n"
|
|
" class B {\n"
|
|
" public:\n"
|
|
" B(void);\n"
|
|
" int x;\n"
|
|
" };\n"
|
|
"};\n"
|
|
"app::B::B(void){}");
|
|
ASSERT_EQUALS("[test.cpp:8]: (warning) Member variable 'B::x' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitVarArray1() {
|
|
check("class John\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" John() {}\n"
|
|
"\n"
|
|
"private:\n"
|
|
" char name[255];\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'John::name' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("class John\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" John() {John::name[0] = '\\0';}\n"
|
|
"\n"
|
|
"private:\n"
|
|
" char name[255];\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class John\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" John() { strcpy(name, \"\"); }\n"
|
|
"\n"
|
|
"private:\n"
|
|
" char name[255];\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class John\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" John() { }\n"
|
|
"\n"
|
|
" double operator[](const unsigned long i);\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class A;\n"
|
|
"class John\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" John() { }\n"
|
|
" A a[5];\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class A;\n"
|
|
"class John\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" John() { }\n"
|
|
" A (*a)[5];\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:5]: (warning) Member variable 'John::a' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitVarArray2() {
|
|
check("class John\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" John() { *name = 0; }\n"
|
|
"\n"
|
|
"private:\n"
|
|
" char name[255];\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
// #5754
|
|
check("class John\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" John() {*this->name = '\\0';}\n"
|
|
"\n"
|
|
"private:\n"
|
|
" char name[255];\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarArray3() {
|
|
check("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"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarArray4() {
|
|
check("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"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarArray5() {
|
|
check("class Foo\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" Bar bars[10];\n"
|
|
"public:\n"
|
|
" Foo()\n"
|
|
" { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarArray6() {
|
|
check("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 uninitVarArray7() {
|
|
check("class Foo\n"
|
|
"{\n"
|
|
" int array[10];\n"
|
|
"public:\n"
|
|
" Foo() { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:5]: (warning) Member variable 'Foo::array' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("class Foo\n"
|
|
"{\n"
|
|
" int array[10];\n"
|
|
"public:\n"
|
|
" Foo() { memset(array, 0, sizeof(array)); }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Foo\n"
|
|
"{\n"
|
|
" int array[10];\n"
|
|
"public:\n"
|
|
" Foo() { ::memset(array, 0, sizeof(array)); }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarArray8() {
|
|
check("class Foo {\n"
|
|
" char a[10];\n"
|
|
"public:\n"
|
|
" Foo() { ::ZeroMemory(a); }\n"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarArray9() { // #6957
|
|
check("class BaseGDL;\n"
|
|
"struct IxExprListT {\n"
|
|
"private:\n"
|
|
" BaseGDL* eArr[3];\n"
|
|
"public:\n"
|
|
" IxExprListT() {}\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:6]: (warning) Member variable 'IxExprListT::eArr' is not initialized in the constructor.\n", errout.str());
|
|
check("struct sRAIUnitDefBL {\n"
|
|
" sRAIUnitDefBL();\n"
|
|
" ~sRAIUnitDefBL();\n"
|
|
"};\n"
|
|
"struct sRAIUnitDef {\n"
|
|
" sRAIUnitDef() {}\n"
|
|
" sRAIUnitDefBL *List[35];\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:6]: (warning) Member variable 'sRAIUnitDef::List' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitVarArray2D() {
|
|
check("class John\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" John() { a[0][0] = 0; }\n"
|
|
"\n"
|
|
"private:\n"
|
|
" char a[2][2];\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarArray3D() {
|
|
check("class John\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" char a[2][2][2];\n"
|
|
"public:\n"
|
|
" John() { a[0][0][0] = 0; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarCpp11Init1() {
|
|
check("class Foo {\n"
|
|
" std::vector<std::string> bar;\n"
|
|
"public:\n"
|
|
" Foo()\n"
|
|
" : bar({\"a\", \"b\"})\n"
|
|
" {}\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarCpp11Init2() {
|
|
check("class Fred {\n"
|
|
" struct Foo {\n"
|
|
" int a;\n"
|
|
" bool b;\n"
|
|
" };\n"
|
|
" Foo f;\n"
|
|
" float g;\n"
|
|
"public:\n"
|
|
" Fred() : f{0, true} { }\n"
|
|
" float get() const;\n"
|
|
"};\n"
|
|
"float Fred::get() const { return g; }");
|
|
ASSERT_EQUALS("[test.cpp:9]: (warning) Member variable 'Fred::g' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitVarStruct1() { // ticket #2172
|
|
check("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"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("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"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:10]: (warning) Member variable 'A::b' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("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"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarStruct2() { // ticket #838
|
|
check("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"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:11]: (warning) Member variable 'Fred::p' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("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"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("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"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
// non static data-member initialization
|
|
check("struct POINT\n"
|
|
"{\n"
|
|
" int x=0;\n"
|
|
" int y=0;\n"
|
|
"};\n"
|
|
"class Fred\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" POINT p;\n"
|
|
"public:\n"
|
|
" Fred()\n"
|
|
" { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarUnion1() { // ticket #3196
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" union { int a; int b; };\n"
|
|
"public:\n"
|
|
" Fred()\n"
|
|
" { a = 0; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarUnion2() {
|
|
// If the "data_type" is 0 it means union member "data" is invalid.
|
|
// So it's ok to not initialize "data".
|
|
// related forum: http://sourceforge.net/apps/phpbb/cppcheck/viewtopic.php?f=3&p=1806
|
|
check("union Data { int id; int *ptr; };\n"
|
|
"\n"
|
|
"class Fred {\n"
|
|
"private:\n"
|
|
" int data_type;\n"
|
|
" Data data;\n"
|
|
"public:\n"
|
|
" Fred() : data_type(0)\n"
|
|
" { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitMissingFuncDef() {
|
|
// Unknown member function
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Fred() { Init(); }\n"
|
|
"private:\n"
|
|
" void Init();"
|
|
" int i;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
// Unknown non-member function (friend class)
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Fred() { Init(); }\n"
|
|
"private:\n"
|
|
" friend ABC;\n"
|
|
" int i;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
// Unknown non-member function (is Init a virtual function?)
|
|
check("class Fred : private ABC\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Fred() { Init(); }\n"
|
|
"private:\n"
|
|
" int i;\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::i' is not initialized in the constructor.\n", errout.str());
|
|
|
|
// Unknown non-member function
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Fred() { Init(); }\n"
|
|
"private:\n"
|
|
" int i;\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::i' is not initialized in the constructor.\n", errout.str());
|
|
|
|
// Unknown non-member function
|
|
check("class ABC { };\n"
|
|
"class Fred : private ABC\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Fred() { Init(); }\n"
|
|
"private:\n"
|
|
" int i;\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:5]: (warning) Member variable 'Fred::i' is not initialized in the constructor.\n", errout.str());
|
|
|
|
}
|
|
|
|
void uninitVarEnum1() {
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" enum abc {a,b,c};\n"
|
|
" Fred() {}\n"
|
|
"private:\n"
|
|
" unsigned int i;\n"
|
|
"};");
|
|
|
|
ASSERT_EQUALS("[test.cpp:5]: (warning) Member variable 'Fred::i' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitVarEnum2() { // ticket #8146
|
|
check("enum E { E1 };\n"
|
|
"struct X { E e = E1; };\n"
|
|
"struct Y {\n"
|
|
" Y() {}\n"
|
|
" X x;\n"
|
|
"};");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarStream() {
|
|
check("class Foo\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" int foo;\n"
|
|
"public:\n"
|
|
" explicit Foo(std::istream &in)\n"
|
|
" {\n"
|
|
" if(!(in >> foo))\n"
|
|
" throw 0;\n"
|
|
" }\n"
|
|
"};");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarTypedef() {
|
|
check("class Foo\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" typedef int * pointer;\n"
|
|
" Foo() : a(0) {}\n"
|
|
" pointer a;\n"
|
|
"};");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarMemset() {
|
|
check("class Foo\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" int * pointer;\n"
|
|
" Foo() { memset(this, 0, sizeof(*this)); }\n"
|
|
"};");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Foo\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" int * pointer;\n"
|
|
" Foo() { ::memset(this, 0, sizeof(*this)); }\n"
|
|
"};");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
// Ticket #7068
|
|
check("struct Foo {\n"
|
|
" int * p;\n"
|
|
" char c;\n"
|
|
" Foo() { memset(p, 0, sizeof(int)); }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Foo::c' is not initialized in the constructor.\n", errout.str());
|
|
check("struct Foo {\n"
|
|
" int i;\n"
|
|
" char c;\n"
|
|
" Foo() { memset(&i, 0, sizeof(int)); }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Foo::c' is not initialized in the constructor.\n", errout.str());
|
|
check("struct Foo { int f; };\n"
|
|
"struct Bar { int b; };\n"
|
|
"struct FooBar {\n"
|
|
" FooBar() {\n"
|
|
" memset(&foo, 0, sizeof(foo));\n"
|
|
" }\n"
|
|
" Foo foo;\n"
|
|
" Bar bar;\n"
|
|
"};\n"
|
|
"int main() {\n"
|
|
" FooBar foobar;\n"
|
|
" return foobar.foo.f + foobar.bar.b;\n"
|
|
"}");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'FooBar::bar' is not initialized in the constructor.\n", errout.str());
|
|
check("struct Foo { int f; };\n"
|
|
"struct Bar { int b; };\n"
|
|
"struct FooBar {\n"
|
|
" FooBar() {\n"
|
|
" memset(&this->foo, 0, sizeof(this->foo));\n"
|
|
" }\n"
|
|
" Foo foo;\n"
|
|
" Bar bar;\n"
|
|
"};\n"
|
|
"int main() {\n"
|
|
" FooBar foobar;\n"
|
|
" return foobar.foo.f + foobar.bar.b;\n"
|
|
"}");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'FooBar::bar' is not initialized in the constructor.\n", errout.str());
|
|
|
|
// #7755
|
|
check("struct A {\n"
|
|
" A() {\n"
|
|
" memset(this->data, 0, 42);\n"
|
|
" }\n"
|
|
" char data[42];\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void privateCtor1() {
|
|
settings.standards.cpp = Standards::CPP03;
|
|
check("class Foo {\n"
|
|
" int foo;\n"
|
|
" Foo() { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
settings.standards.cpp = Standards::CPP11;
|
|
check("class Foo {\n"
|
|
" int foo;\n"
|
|
" Foo() { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:3]: (warning) Member variable 'Foo::foo' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void privateCtor2() {
|
|
check("class Foo\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" int foo;\n"
|
|
" Foo() { }\n"
|
|
"public:\n"
|
|
" explicit Foo(int _i) { }\n"
|
|
"};");
|
|
|
|
ASSERT_EQUALS("[test.cpp:7]: (warning) Member variable 'Foo::foo' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
|
|
void function() {
|
|
check("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"
|
|
"}");
|
|
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
|
|
// Borland C++: No FP for published pointers - they are automatically initialized
|
|
void uninitVarPublished() {
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"__published:\n"
|
|
" int *i;\n"
|
|
"public:\n"
|
|
" Fred() { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarInheritClassInit() {
|
|
Settings s;
|
|
s.libraries.emplace_back("vcl");
|
|
|
|
check("class Fred: public TObject\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Fred() { }\n"
|
|
"private:\n"
|
|
" int x;\n"
|
|
"};", s);
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitOperator() {
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Fred() { }\n"
|
|
" int *operator [] (int index) { return 0; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitFunction1() {
|
|
check("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"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Fred() { init(*this); }\n"
|
|
"\n"
|
|
" static void init(Fred &f)\n"
|
|
" { }\n"
|
|
"\n"
|
|
" double d;\n"
|
|
"};");
|
|
TODO_ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::d' is not initialized in the constructor.\n", "", errout.str());
|
|
}
|
|
|
|
void uninitFunction2() {
|
|
check("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"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("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"
|
|
"};");
|
|
TODO_ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::d' is not initialized in the constructor.\n", "", errout.str());
|
|
}
|
|
|
|
void uninitFunction3() {
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Fred() { if (!init()); }\n"
|
|
"\n"
|
|
" bool init()\n"
|
|
" { d = 0; return true; }\n"
|
|
"\n"
|
|
" double d;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Fred() { if (!init()); }\n"
|
|
"\n"
|
|
" bool init()\n"
|
|
" { return true; }\n"
|
|
"\n"
|
|
" double d;\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::d' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitFunction4() {
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Fred() { init(this); }\n"
|
|
"\n"
|
|
" init(Fred *f)\n"
|
|
" { f.d = 0; }\n"
|
|
"\n"
|
|
" double d;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" Fred() { init(this); }\n"
|
|
"\n"
|
|
" init(Fred *f)\n"
|
|
" { }\n"
|
|
"\n"
|
|
" double d;\n"
|
|
"};");
|
|
TODO_ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::d' is not initialized in the constructor.\n", "", errout.str());
|
|
}
|
|
|
|
void uninitFunction5() { // #4072 - FP about struct that is initialized in function
|
|
check("struct Structure {\n"
|
|
" int C;\n"
|
|
"};\n"
|
|
"\n"
|
|
"class A {\n"
|
|
" Structure B;\n"
|
|
"public:\n"
|
|
" A() { Init( B ); };\n"
|
|
" void Init( Structure& S ) { S.C = 0; };\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitSameClassName() {
|
|
check("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"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("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"
|
|
"}");
|
|
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
|
|
check("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"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("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"
|
|
"}");
|
|
ASSERT_EQUALS("[test.cpp:11]: (warning) Member variable 'Foo::i' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("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"
|
|
"}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitFunctionOverload() {
|
|
// Ticket #1783 - overloaded "init" functions
|
|
check("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());
|
|
|
|
check("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"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:7]: (warning) Member variable 'A::i' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("class bar {\n" // #9887
|
|
" int length;\n"
|
|
" bar() { length = 0; }\n"
|
|
"};\n"
|
|
"class foo {\n"
|
|
" int x;\n"
|
|
" foo() { Set(bar()); }\n"
|
|
" void Set(int num) { x = 1; }\n"
|
|
" void Set(bar num) { x = num.length; }\n"
|
|
"};\n");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarOperatorEqual() { // ticket #2415
|
|
check("struct A {\n"
|
|
" int a;\n"
|
|
" A() { a=0; }\n"
|
|
" A(A const &a) { operator=(a); }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("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());
|
|
|
|
check("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 copy constructor.\n"
|
|
"[test.cpp:5]: (warning) Member variable 'A::a' is not assigned a value in 'A::operator='.\n", errout.str());
|
|
}
|
|
|
|
void uninitVarPointer() { // #3801
|
|
check("struct A {\n"
|
|
" int a;\n"
|
|
"};\n"
|
|
"struct B {\n"
|
|
" A* a;\n"
|
|
" B() { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:6]: (warning) Member variable 'B::a' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("struct A;\n"
|
|
"struct B {\n"
|
|
" A* a;\n"
|
|
" B() { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'B::a' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("struct A;\n"
|
|
"struct B {\n"
|
|
" const A* a;\n"
|
|
" B() { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'B::a' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("struct A;\n"
|
|
"struct B {\n"
|
|
" A* const a;\n"
|
|
" B() { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'B::a' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("class Test {\n" // #8498
|
|
"public:\n"
|
|
" Test() {}\n"
|
|
" std::map<int, int>* pMap = nullptr;\n"
|
|
" std::string* pStr = nullptr;\n"
|
|
"};\n");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("template <typename U>\n"
|
|
"class C1 {}; \n"
|
|
"template <typename U, typename V>\n"
|
|
"class C2 {};\n"
|
|
"namespace A {\n"
|
|
" template <typename U>\n"
|
|
" class D1 {};\n"
|
|
" template <typename U, typename V>\n"
|
|
" class D2 {};\n"
|
|
"}\n"
|
|
"class Test {\n"
|
|
"public:\n"
|
|
" Test() {}\n"
|
|
" C1<int>* c1 = nullptr;\n"
|
|
" C2<int, int >* c2 = nullptr;\n"
|
|
" A::D1<int>* d1 = nullptr;\n"
|
|
" A::D2<int, int >* d2 = nullptr;\n"
|
|
" std::map<int, int>* pMap = nullptr;\n"
|
|
"};\n");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitConstVar() {
|
|
check("struct A;\n"
|
|
"struct B {\n"
|
|
" A* const a;\n"
|
|
" B() { }\n"
|
|
" B(B& b) { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'B::a' is not initialized in the constructor.\n"
|
|
"[test.cpp:5]: (warning) Member variable 'B::a' is not initialized in the copy constructor.\n", errout.str());
|
|
|
|
check("struct A;\n"
|
|
"struct B {\n"
|
|
" A* const a;\n"
|
|
" B& operator=(const B& r) { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str()); // #3804
|
|
|
|
check("struct B {\n"
|
|
" const int a;\n"
|
|
" B() { }\n"
|
|
" B(B& b) { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("[test.cpp:3]: (warning) Member variable 'B::a' is not initialized in the constructor.\n"
|
|
"[test.cpp:4]: (warning) Member variable 'B::a' is not initialized in the copy constructor.\n", errout.str());
|
|
|
|
check("struct B {\n"
|
|
" const int a;\n"
|
|
" B& operator=(const B& r) { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
// Ticket #5641 "Regression. Crash for 'C() _STLP_NOTHROW {}'"
|
|
void constructors_crash1() {
|
|
check("class C {\n"
|
|
"public:\n"
|
|
" C() _STLP_NOTHROW {}\n"
|
|
" C(const C&) _STLP_NOTHROW {}\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void classWithOperatorInName() { // ticket #2827
|
|
check("class operatorX {\n"
|
|
" int mValue;\n"
|
|
"public:\n"
|
|
" operatorX() : mValue(0) {}\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void templateConstructor() { // ticket #7942
|
|
check("template <class T> struct Container {\n"
|
|
" Container();\n"
|
|
" T* mElements;\n"
|
|
"};\n"
|
|
"template <class T> Container<T>::Container() : mElements(nullptr) {}\n"
|
|
"Container<int> intContainer;");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void typedefArray() { // ticket #5766
|
|
check("typedef float rvec[3];\n"
|
|
"class SelectionPosition {\n"
|
|
"public:\n"
|
|
" SelectionPosition() {}\n"
|
|
" const rvec &x() const;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitAssignmentWithOperator() {
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" bool b = false;\n"
|
|
" b = b && SetValue();\n"
|
|
" }\n"
|
|
" bool SetValue() {\n"
|
|
" x = 1;\n"
|
|
" return true;\n"
|
|
" }\n"
|
|
"};", true);
|
|
TODO_ASSERT_EQUALS("[test.cpp:3]: (warning, inconclusive) Member variable 'C::x' is not initialized in the constructor.\n",
|
|
"[test.cpp:3]: (warning) Member variable 'C::x' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" bool b = false;\n"
|
|
" b = true || SetValue();\n"
|
|
" }\n"
|
|
" bool SetValue() {\n"
|
|
" x = 1;\n"
|
|
" return true;\n"
|
|
" }\n"
|
|
"};", true);
|
|
TODO_ASSERT_EQUALS("[test.cpp:3]: (warning, inconclusive) Member variable 'C::x' is not initialized in the constructor.\n",
|
|
"[test.cpp:3]: (warning) Member variable 'C::x' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" bool b = true;\n"
|
|
" b = b & SetValue();\n"
|
|
" }\n"
|
|
" bool SetValue() {\n"
|
|
" x = 1;\n"
|
|
" return true;\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" bool b = false;\n"
|
|
" b = true | SetValue();\n"
|
|
" }\n"
|
|
" bool SetValue() {\n"
|
|
" x = 1;\n"
|
|
" return true;\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" int i = 0;\n"
|
|
" i = i * SetValue();\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" int i = 0;\n"
|
|
" i = i / SetValue();\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" int i = 0;\n"
|
|
" i = i % SetValue();\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" int i = 0;\n"
|
|
" i = i + SetValue();\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" int i = 0;\n"
|
|
" i = i - SetValue();\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" int i = 0;\n"
|
|
" i = i << SetValue();\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" int i = 0;\n"
|
|
" i = i >> SetValue();\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" int i = 0;\n"
|
|
" i = i ^ SetValue();\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitCompoundAssignment() {
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" bool b = true;\n"
|
|
" b &= SetValue();\n"
|
|
" }\n"
|
|
" bool SetValue() {\n"
|
|
" x = 1;\n"
|
|
" return true;\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" bool b = false;\n"
|
|
" b |= SetValue();\n"
|
|
" }\n"
|
|
" bool SetValue() {\n"
|
|
" x = 1;\n"
|
|
" return true;\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" int i = 0;\n"
|
|
" i *= SetValue();\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" int i = 0;\n"
|
|
" i /= SetValue();\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" int i = 0;\n"
|
|
" i %= SetValue();\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" int i = 0;\n"
|
|
" i += SetValue();\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" int i = 0;\n"
|
|
" i -= SetValue();\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" int i = 0;\n"
|
|
" i <<= SetValue();\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" int i = 0;\n"
|
|
" i >>= SetValue();\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" int i = 0;\n"
|
|
" i ^= SetValue();\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitComparisonAssignment() {
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" bool b = true;\n"
|
|
" b = (true == SetValue());\n"
|
|
" }\n"
|
|
" bool SetValue() {\n"
|
|
" x = 1;\n"
|
|
" return true;\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" bool b = false;\n"
|
|
" b |= (true != SetValue());\n"
|
|
" }\n"
|
|
" bool SetValue() {\n"
|
|
" x = 1;\n"
|
|
" return true;\n"
|
|
" }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" bool b = (0 < SetValue());\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" bool b = (0 <= SetValue());\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" bool b = (0 > SetValue());\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("struct C {\n"
|
|
" int x;\n"
|
|
" C() {\n"
|
|
" bool b = (0 >= SetValue());\n"
|
|
" }\n"
|
|
" int SetValue() { return x = 1; }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitTemplate1() {
|
|
check("template <class A, class T> class C;\n"
|
|
"template <class A>\n"
|
|
"class C<A, void> {\n"
|
|
" public:\n"
|
|
" C() : b(0) { }\n"
|
|
" C(A* a) : b(a) { }\n"
|
|
" private:\n"
|
|
" A* b;\n"
|
|
"};\n"
|
|
"template <class A, class T>\n"
|
|
"class C {\n"
|
|
" private:\n"
|
|
" A* b;\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("template<class T> class A{};\n"
|
|
"template<class T1, class T2> class B{};\n"
|
|
"template<class T1, class T2>\n"
|
|
"class A<B<T1, T2>> {\n"
|
|
" public:\n"
|
|
" A();\n"
|
|
" bool m_value;\n"
|
|
"};\n"
|
|
"template<class T1, class T2>\n"
|
|
"A<B<T1, T2>>::A() : m_value(false) {}");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void unknownTemplateType() {
|
|
check("template <typename T> class A {\n"
|
|
"private:\n"
|
|
" T m;\n"
|
|
"public:\n"
|
|
" A& operator=() { return *this; }\n"
|
|
"};\n"
|
|
"A<decltype(SOMETHING)> a;");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
};
|
|
|
|
REGISTER_TEST(TestConstructors)
|