1076 lines
32 KiB
C++
1076 lines
32 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2011 Daniel Marjamäki and Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "tokenize.h"
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#include "checkclass.h"
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#include "testsuite.h"
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#include <sstream>
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extern std::ostringstream errout;
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class TestConstructors : public TestFixture
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{
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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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{
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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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{
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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(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_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_destructor); // No variables need to be initialized in a destructor
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TEST_CASE(operatorEqSTL);
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}
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void simple1()
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{
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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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" int i;\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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"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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{
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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() : 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("struct Fred\n"
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"{\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("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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{
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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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"Fred::Fred() :i(0)\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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"Fred::Fred()\n"
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"{ i = 0; }\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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"Fred::Fred()\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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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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{
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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(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:8]: (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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" 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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{
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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 initvar_with_this()
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{
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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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" { 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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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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{
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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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" {\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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check("struct Fred\n"
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"{\n"
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"public:\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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{
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// Bug 2190376 - False positive, Uninitialized member variable with operator=
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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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"public:\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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"};\n");
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ASSERT_EQUALS("", errout.str());
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check("class A\n"
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"{\n"
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" public:\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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"};\n"
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"\n"
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"int main() {}\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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" 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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"};\n");
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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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"};\n"
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"\n"
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"int main() {}\n");
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ASSERT_EQUALS("", errout.str());
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}
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void initvar_operator_eq2()
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{
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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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" 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:5]: (warning) Member variable 'Fred::i' is not assigned a value in 'Fred::operator='\n", errout.str());
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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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{
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check("class Fred\n"
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"{\n"
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"public:\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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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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{
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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_same_classname()
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{
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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"
|
|
" 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() { a = 0; }\n"
|
|
" };\n"
|
|
" }\n"
|
|
"\n"
|
|
" 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("class 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());
|
|
|
|
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("class c\n"
|
|
"{\n"
|
|
" c();\n"
|
|
" 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());
|
|
|
|
check("struct c\n"
|
|
"{\n"
|
|
" c();\n"
|
|
" 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("class Fred\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" const char *s;\n"
|
|
" Fred();\n"
|
|
"};\n"
|
|
"Fred::Fred() : s(NULL)\n"
|
|
"{ }");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" const char *s;\n"
|
|
" Fred();\n"
|
|
"};\n"
|
|
"Fred::Fred()\n"
|
|
"{ s = NULL; }");
|
|
ASSERT_EQUALS("", errout.str());
|
|
|
|
check("class Fred\n"
|
|
"{\n"
|
|
"public:\n"
|
|
" const char *s;\n"
|
|
" Fred();\n"
|
|
"};\n"
|
|
"Fred::Fred()\n"
|
|
"{ }");
|
|
ASSERT_EQUALS("[test.cpp:7]: (warning) Member variable 'Fred::s' is not initialized in the constructor.\n", errout.str());
|
|
|
|
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");
|
|
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("[test.cpp:7]: (warning) 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");
|
|
ASSERT_EQUALS("[test.cpp:10]: (warning) 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"
|
|
" B(int x);\n"
|
|
" struct C {\n"
|
|
" C(int y);\n"
|
|
" struct D {\n"
|
|
" int d;\n"
|
|
" 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");
|
|
ASSERT_EQUALS("[test.cpp:20]: (warning) Member variable 'A::a' is not initialized in the constructor.\n"
|
|
"[test.cpp:20]: (warning) Member variable 'A::b' 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"
|
|
" B(int x);\n"
|
|
" struct C {\n"
|
|
" 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");
|
|
ASSERT_EQUALS("[test.cpp:20]: (warning) Member variable 'A::a' is not initialized in the constructor.\n"
|
|
"[test.cpp:20]: (warning) Member variable 'A::b' 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"
|
|
" B(int x);\n"
|
|
" struct C {\n"
|
|
" C(int y);\n"
|
|
" struct D {\n"
|
|
" struct E { int e; };\n"
|
|
" struct E d;\n"
|
|
" 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");
|
|
ASSERT_EQUALS("[test.cpp:21]: (warning) Member variable 'A::a' is not initialized in the constructor.\n"
|
|
"[test.cpp:21]: (warning) Member variable 'A::b' 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("[test.cpp:6]: (warning) Member variable 'A::m_SemVar' is not initialized in the constructor.\n"
|
|
"[test.cpp:7]: (warning) Member variable 'A::m_SemVar' is not assigned a value in 'A::operator='\n", 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_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) Member variable 'Fred::ints' is not assigned a value in 'Fred::operator='\n", errout.str());
|
|
}
|
|
};
|
|
|
|
REGISTER_TEST(TestConstructors)
|