2488 lines
77 KiB
C++
2488 lines
77 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2012 Daniel Marjamäki and Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "tokenize.h"
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#include "checkclass.h"
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#include "testsuite.h"
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#include <sstream>
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extern std::ostringstream errout;
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class TestConstructors : public TestFixture {
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public:
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TestConstructors() : TestFixture("TestConstructors")
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{ }
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private:
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void check(const char code[], bool showAll = false) {
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// Clear the error buffer..
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errout.str("");
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Settings settings;
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settings.inconclusive = showAll;
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settings.addEnabled("style");
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// Tokenize..
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Tokenizer tokenizer(&settings, this);
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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tokenizer.simplifyTokenList();
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// Check 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 run() {
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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(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_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_union);
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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_destructor); // No variables need to be initialized in a destructor
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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(uninitVarEnum);
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TEST_CASE(uninitVarStream);
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TEST_CASE(uninitVarTypedef);
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TEST_CASE(uninitVarMemset);
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TEST_CASE(uninitVarArray1);
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TEST_CASE(uninitVarArray2);
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TEST_CASE(uninitVarArray3);
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TEST_CASE(uninitVarArray4);
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TEST_CASE(uninitVarArray5);
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TEST_CASE(uninitVarArray6);
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TEST_CASE(uninitVarArray7);
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TEST_CASE(uninitVarArray8);
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TEST_CASE(uninitVarArray2D);
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TEST_CASE(uninitVarArray3D);
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TEST_CASE(uninitVarCpp11Init);
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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(uninitVarHeader1); // Class is defined in header
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TEST_CASE(uninitVarHeader2); // Class is defined in header
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TEST_CASE(uninitVarHeader3); // Class is defined in header
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TEST_CASE(uninitVarPublished); // Borland C++: Variables in the published section are auto-initialized
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TEST_CASE(uninitOperator); // No FP about uninitialized 'operator[]'
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TEST_CASE(uninitFunction1); // No FP when initialized in function
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TEST_CASE(uninitFunction2); // No FP when initialized in function
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TEST_CASE(uninitFunction3); // No FP when initialized in function
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TEST_CASE(uninitFunction4);
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TEST_CASE(uninitSameClassName); // No FP when two classes have the same name
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TEST_CASE(uninitFunctionOverload); // No FP when there are overloaded functions
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TEST_CASE(uninitJava); // Java: no FP when variable is initialized in declaration
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TEST_CASE(uninitVarOperatorEqual); // ticket #2415
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TEST_CASE(uninitVarPointer); // ticket #3801
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TEST_CASE(uninitConstVar);
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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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"};\n");
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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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"};\n");
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ASSERT_EQUALS("[test.cpp:1]: (style) The class 'Fred' does not have a constructor.\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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"};\n");
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ASSERT_EQUALS("[test.cpp:1]: (style) The struct 'Fred' does not have a constructor.\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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" int i;\n"
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"};\n");
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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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" int i;\n"
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"};\n");
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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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" int i;\n"
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"};\n");
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ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::i' is not initialized in the 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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" int i;\n"
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"};\n");
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ASSERT_EQUALS("[test.cpp:3]: (warning) Member variable 'Fred::i' is not initialized in the 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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"{ }\n");
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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; }\n");
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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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"{ }\n");
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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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" 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");
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ASSERT_EQUALS("[test.cpp:7]: (warning) 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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"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 initvar_with_this() {
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check("struct Fred\n"
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"{\n"
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" Fred()\n"
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" { this->i = 0; }\n"
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" int i;\n"
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"};\n");
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ASSERT_EQUALS("", errout.str());
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}
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void initvar_if() {
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check("struct Fred\n"
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"{\n"
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" Fred()\n"
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" {\n"
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" if (true)\n"
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" i = 0;\n"
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" else\n"
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" i = 1;\n"
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" }\n"
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" int i;\n"
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"};\n");
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ASSERT_EQUALS("", errout.str());
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}
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void initvar_operator_eq1() {
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// Bug 2190376 and #3820 - False positive, Uninitialized member variable with operator=
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check("struct Fred\n"
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"{\n"
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" int i;\n"
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"\n"
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" Fred()\n"
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" { i = 0; }\n"
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"\n"
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" Fred(const Fred &fred)\n"
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" { *this = fred; }\n"
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"\n"
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" const Fred & operator=(const Fred &fred)\n"
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" { i = fred.i; return *this; }\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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" int i;\n"
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"\n"
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" Fred(const Fred &fred)\n"
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" { (*this) = fred; }\n"
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"\n"
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" const Fred & operator=(const Fred &fred)\n"
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" { i = fred.i; return *this; }\n"
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"};");
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ASSERT_EQUALS("", errout.str());
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check("struct A\n"
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"{\n"
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" A() : i(0), j(0) {}\n"
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"\n"
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" A &operator=(const int &value)\n"
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" {\n"
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" i = value;\n"
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" return (*this);\n"
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" }\n"
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"\n"
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" int i;\n"
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" int j;\n"
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"};");
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ASSERT_EQUALS("", errout.str());
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}
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void initvar_operator_eq2() {
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check("struct Fred\n"
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"{\n"
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" Fred() { i = 0; }\n"
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" void operator=(const Fred &fred) { }\n"
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" int i;\n"
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"};\n");
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ASSERT_EQUALS("[test.cpp:4]: (warning) Member variable 'Fred::i' is not assigned a value in 'Fred::operator='.\n", errout.str());
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}
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void initvar_operator_eq3() {
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check("struct Fred\n"
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"{\n"
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" Fred() { Init(); }\n"
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" void operator=(const Fred &fred) { Init(); }\n"
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"private:\n"
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" void Init() { i = 0; }\n"
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" int i;\n"
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"};\n");
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ASSERT_EQUALS("", errout.str());
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}
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void initvar_operator_eq4() {
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check("class Fred\n"
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"{\n"
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" int i;\n"
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"public:\n"
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" Fred() : i(5) { }\n"
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" Fred & operator=(const Fred &fred)\n"
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" {\n"
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" if (&fred != this)\n"
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" {\n"
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" }\n"
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" return *this\n"
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" }\n"
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"};\n");
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ASSERT_EQUALS("[test.cpp:6]: (warning) Member variable 'Fred::i' is not assigned a value in 'Fred::operator='.\n", errout.str());
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check("class Fred\n"
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"{\n"
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" int * i;\n"
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"public:\n"
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" Fred() : i(NULL) { }\n"
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" Fred & operator=(const Fred &fred)\n"
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" {\n"
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" if (&fred != this)\n"
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" {\n"
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" }\n"
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" return *this\n"
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" }\n"
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"};\n");
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ASSERT_EQUALS("[test.cpp:6]: (warning) Member variable 'Fred::i' is not assigned a value in 'Fred::operator='.\n", errout.str());
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check("class Fred\n"
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"{\n"
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" const int * i;\n"
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"public:\n"
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" Fred() : i(NULL) { }\n"
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" Fred & operator=(const Fred &fred)\n"
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" {\n"
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" if (&fred != this)\n"
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" {\n"
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" }\n"
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" return *this\n"
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" }\n"
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"};\n");
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ASSERT_EQUALS("[test.cpp:6]: (warning) Member variable 'Fred::i' is not assigned a value in 'Fred::operator='.\n", errout.str());
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check("class Fred\n"
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"{\n"
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" const int i;\n"
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"public:\n"
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" Fred() : i(5) { }\n"
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" Fred & operator=(const Fred &fred)\n"
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" {\n"
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" if (&fred != this)\n"
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" {\n"
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" }\n"
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" return *this\n"
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" }\n"
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"};\n");
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ASSERT_EQUALS("", errout.str());
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}
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void initvar_operator_eq5() { // #4119 - false positive when using swap to assign variables
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check("class Fred {\n"
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" int i;\n"
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"public:\n"
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" Fred() : i(5) { }\n"
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" ~Fred() { }\n"
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" Fred(const Fred &fred) : i(fred.i) { }\n"
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" Fred & operator=(const Fred &rhs) {\n"
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" Fred(rhs).swap(*this);\n"
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" return *this;\n"
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" }\n"
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"};\n");
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ASSERT_EQUALS("", errout.str());
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}
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void initvar_same_classname() {
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// Bug 2208157 - False positive: Uninitialized variable, same class name
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check("void func1()\n"
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"{\n"
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" class Fred\n"
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" {\n"
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" int a;\n"
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" Fred() { a = 0; }\n"
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" };\n"
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"}\n"
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"\n"
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"void func2()\n"
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"{\n"
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" class Fred\n"
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" {\n"
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" int b;\n"
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" Fred() { b = 0; }\n"
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" };\n"
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"}\n");
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ASSERT_EQUALS("", errout.str());
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check("void func1()\n"
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"{\n"
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" struct Fred\n"
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" {\n"
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" int a;\n"
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" Fred() { a = 0; }\n"
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" };\n"
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"}\n"
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"\n"
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"void func2()\n"
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"{\n"
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" class Fred\n"
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" {\n"
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" int b;\n"
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" Fred() { b = 0; }\n"
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" };\n"
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"}\n");
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ASSERT_EQUALS("", errout.str());
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check("void func1()\n"
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"{\n"
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" struct Fred\n"
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" {\n"
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" int a;\n"
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" Fred() { a = 0; }\n"
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" };\n"
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"}\n"
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"\n"
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"void func2()\n"
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"{\n"
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" struct Fred\n"
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" {\n"
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" int b;\n"
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" Fred() { b = 0; }\n"
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" };\n"
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"}\n");
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ASSERT_EQUALS("", errout.str());
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check("class Foo {\n"
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" void func1()\n"
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" {\n"
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" struct Fred\n"
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" {\n"
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" int a;\n"
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" Fred() { a = 0; }\n"
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" };\n"
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" }\n"
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"\n"
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" void func2()\n"
|
|
" {\n"
|
|
" struct Fred\n"
|
|
" {\n"
|
|
" int b;\n"
|
|
" Fred() { b = 0; }\n"
|
|
" };\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"
|
|
"};\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"
|
|
"}\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"
|
|
"}\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"
|
|
"};\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"
|
|
"};\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"
|
|
"};\n");
|
|
TODO_ASSERT_EQUALS("[test.cpp:9]: (warning) Member variable 'Fred::U' is not initialized in the constructor.\n", "", errout.str());
|
|
}
|
|
|
|
|
|
void initvar_private_constructor() {
|
|
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"
|
|
"};\n"
|
|
"Fred::Fred() { };\n"
|
|
"Fred::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 initialized in the constructor.\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 initialized in the 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){}\n");
|
|
// 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){}\n");
|
|
// 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"
|
|
" 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){}\n");
|
|
// 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"
|
|
" B & operator= (const B & Var);\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"
|
|
"};\n");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class B\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" B (const B & Var);\n"
|
|
" B & operator= (const B & Var);\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"
|
|
"};\n");
|
|
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 assigned a value in 'A::operator='.\n", 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"
|
|
"};\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"
|
|
"};\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"
|
|
"};\n");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class B\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" B (B & Var);\n"
|
|
" B & operator= (const B & Var);\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"
|
|
"};\n");
|
|
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 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 initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void initvar_destructor() {
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" int var;\n"
|
|
"public:\n"
|
|
" Fred() : var(0) {}\n"
|
|
" ~Fred() {}\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());
|
|
}
|
|
|
|
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());
|
|
}
|
|
|
|
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 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("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:4]: (warning) Member variable 'LocalClass::bitsInData_' is not initialized in the constructor.\n", errout.str());
|
|
|
|
check("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:4]: (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 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());
|
|
}
|
|
|
|
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 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 uninitVarCpp11Init() {
|
|
check("class Foo {\n"
|
|
" std::vector<std::string> bar;\n"
|
|
"public:\n"
|
|
" Foo()\n"
|
|
" : bar({\"a\", \"b\"})\n"
|
|
" {}\n"
|
|
"};");
|
|
ASSERT_EQUALS("", 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());
|
|
}
|
|
|
|
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 uninitVarEnum() {
|
|
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 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());
|
|
}
|
|
|
|
void privateCtor1() {
|
|
check("class Foo {\n"
|
|
" int foo;\n"
|
|
" Foo() { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", 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());
|
|
}
|
|
|
|
|
|
void uninitVarHeader1() {
|
|
check("#file \"fred.h\"\n"
|
|
"class Fred\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" unsigned int i;\n"
|
|
"public:\n"
|
|
" Fred();\n"
|
|
"};\n"
|
|
"#endfile");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void uninitVarHeader2() {
|
|
check("#file \"fred.h\"\n"
|
|
"class Fred\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" unsigned int i;\n"
|
|
"public:\n"
|
|
" Fred() { }\n"
|
|
"};\n"
|
|
"#endfile");
|
|
ASSERT_EQUALS("[fred.h:6]: (warning) Member variable 'Fred::i' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
void uninitVarHeader3() {
|
|
check("#file \"fred.h\"\n"
|
|
"class Fred\n"
|
|
"{\n"
|
|
"private:\n"
|
|
" mutable int i;\n"
|
|
"public:\n"
|
|
" Fred() { }\n"
|
|
"};\n"
|
|
"#endfile");
|
|
ASSERT_EQUALS("[fred.h:6]: (warning) Member variable 'Fred::i' is not initialized in the constructor.\n", errout.str());
|
|
}
|
|
|
|
// Borland C++: No FP for published pointers - they are automatically initialized
|
|
void uninitVarPublished() {
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"__published:\n"
|
|
" int *i;\n"
|
|
"public:\n"
|
|
" Fred() { }\n"
|
|
"};");
|
|
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 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"
|
|
"};");
|
|
TODO_ASSERT_EQUALS("[test.cpp:7]: (warning) Member variable 'A::i' is not initialized in the constructor.\n", "", 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 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());
|
|
}
|
|
|
|
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 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 constructor.\n", errout.str());
|
|
|
|
check("struct B {\n"
|
|
" const int a;\n"
|
|
" B& operator=(const B& r) { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
|
|
void checkJava(const char code[]) {
|
|
// Clear the error log
|
|
errout.str("");
|
|
|
|
Settings settings;
|
|
settings.addEnabled("style");
|
|
|
|
// Tokenize..
|
|
Tokenizer tokenizer(&settings, this);
|
|
std::istringstream istr(code);
|
|
tokenizer.tokenize(istr, "test.java");
|
|
tokenizer.simplifyTokenList();
|
|
|
|
// Check..
|
|
CheckClass checkClass(&tokenizer, &settings, this);
|
|
checkClass.constructors();
|
|
}
|
|
|
|
void uninitJava() {
|
|
checkJava("class A {\n"
|
|
" private: int i = 0;\n"
|
|
" public: A() { }\n"
|
|
"};");
|
|
ASSERT_EQUALS("", errout.str());
|
|
}
|
|
};
|
|
|
|
REGISTER_TEST(TestConstructors)
|