cppcheck/testunusedvar.cpp

76 lines
1.9 KiB
C++

/*
* 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/
*/
// Check for unused variables..
#include "testsuite.h"
#include "tokenize.h"
#include "CheckOther.h"
#include <sstream>
extern std::ostringstream errout;
class TestUnusedVar : public TestFixture
{
public:
TestUnusedVar() : TestFixture("TestUnusedVar")
{ }
private:
void check( const char code[] )
{
// Tokenize..
tokens = tokens_back = NULL;
std::istringstream istr(code);
TokenizeCode( istr );
SimplifyTokenList();
// Clear the error buffer..
errout.str("");
// Check for unused variables..
CheckStructMemberUsage();
}
void run()
{
TEST_CASE( structmember1 );
}
void structmember1()
{
check( "struct abc\n"
"{\n"
" int a;\n"
" int b;\n"
" int c;\n"
"};\n" );
ASSERT_EQUALS( std::string("[test.cpp:2]: struct member 'abc::a' is never read\n"
"[test.cpp:3]: struct member 'abc::b' is never read\n"
"[test.cpp:4]: struct member 'abc::c' is never read\n"), errout.str() );
}
};
REGISTER_TEST( TestUnusedVar )