cppcheck/testunusedprivfunc.cpp

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/*
* c++check - c/c++ syntax checking
* Copyright (C) 2007 Daniel Marjamäki
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/
*/
#include "tokenize.h"
#include "CheckClass.h"
#include "testsuite.h"
#include <sstream>
extern std::ostringstream errout;
extern bool ShowAll;
class TestUnusedPrivateFunction : public TestFixture
{
public:
TestUnusedPrivateFunction() : TestFixture("TestUnusedPrivateFunction")
{ }
private:
void run()
{
TEST_CASE( test1 );
}
void check( const char code[] )
{
// Tokenize..
tokens = tokens_back = NULL;
std::istringstream istr(code);
Tokenizer tokenizer;
tokenizer.TokenizeCode( istr );
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// Clear the error buffer..
errout.str("");
// Check for unused private functions..
CheckClass checkClass;
checkClass.CheckUnusedPrivateFunctions();
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tokenizer.DeallocateTokens();
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}
void test1()
{
check( "class Fred\n"
"{\n"
"private:\n"
" unsigned int f();\n"
"public:\n"
" Fred();\n"
"};\n"
"\n"
"unsigned int Fred::Fred()\n"
"{ }\n"
"\n"
"unsigned int Fred::f()\n"
"{ }\n" );
ASSERT_EQUALS( std::string("Class 'Fred', unused private function: 'f'\n"), errout.str() );
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}
};
REGISTER_TEST( TestUnusedPrivateFunction )