120 lines
2.9 KiB
C++
120 lines
2.9 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2009 Daniel Marjamäki, Reijo Tomperi, Nicolas Le Cam,
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* Leandro Penz, Kimmo Varis
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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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#define UNIT_TESTING
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#include "../src/tokenize.h"
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#include "../src/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 TestUnusedPrivateFunction : public TestFixture
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{
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public:
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TestUnusedPrivateFunction() : TestFixture("TestUnusedPrivateFunction")
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{ }
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private:
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void run()
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{
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TEST_CASE(test1);
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// [ 2236547 ] False positive --style unused function, called via pointer
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TEST_CASE(func_pointer);
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}
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void check(const char code[])
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{
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// Tokenize..
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Tokenizer tokenizer;
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std::istringstream istr(code);
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tokenizer.tokenize(istr, "test.cpp");
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// Clear the error buffer..
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errout.str("");
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// Check for unused private functions..
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Settings settings;
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settings._checkCodingStyle = true;
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CheckClass checkClass(&tokenizer, settings, this);
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checkClass.privateFunctions();
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}
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void test1()
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{
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check("class Fred\n"
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"{\n"
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"private:\n"
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" unsigned int f();\n"
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"public:\n"
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" Fred();\n"
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"};\n"
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"\n"
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"Fred::Fred()\n"
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"{ }\n"
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"\n"
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"unsigned int Fred::f()\n"
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"{ }\n");
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ASSERT_EQUALS(std::string("[test.cpp:4]: Unused private function 'Fred::f'\n"), errout.str());
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}
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void func_pointer()
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{
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check("class Fred\n"
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"{\n"
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"private:\n"
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" typedef void (*testfp)();\n"
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"\n"
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" testfp get()\n"
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" {\n"
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" return test;\n"
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" }\n"
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"\n"
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" static void test()\n"
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" { }\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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"\n"
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"Fred::Fred()\n"
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"{}\n");
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ASSERT_EQUALS(std::string("[test.cpp:6]: Unused private function 'Fred::get'\n"), errout.str());
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}
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};
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REGISTER_TEST(TestUnusedPrivateFunction)
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