88 lines
2.3 KiB
C++
88 lines
2.3 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 dangerous division..
|
||
|
|
// such as "svar / uvar". Treating "svar" as unsigned data is not good
|
||
|
|
|
||
|
|
|
||
|
|
#define UNIT_TESTING
|
||
|
|
#include "tokenize.h"
|
||
|
|
#include "checkother.h"
|
||
|
|
#include "testsuite.h"
|
||
|
|
|
||
|
|
#include <sstream>
|
||
|
|
|
||
|
|
extern std::ostringstream errout;
|
||
|
|
|
||
|
|
class TestRedundantIf : public TestFixture
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
TestRedundantIf() : TestFixture("TestRedundantIf")
|
||
|
|
{ }
|
||
|
|
|
||
|
|
private:
|
||
|
|
void check( const char code[] )
|
||
|
|
{
|
||
|
|
// Tokenize..
|
||
|
|
Tokenizer tokenizer;
|
||
|
|
std::istringstream istr(code);
|
||
|
|
tokenizer.tokenize( istr, "test.cpp" );
|
||
|
|
|
||
|
|
// Clear the error buffer..
|
||
|
|
errout.str("");
|
||
|
|
|
||
|
|
// Check for redundant condition..
|
||
|
|
CheckOther checkOther( &tokenizer, this );
|
||
|
|
checkOther.redundantCondition2();
|
||
|
|
}
|
||
|
|
|
||
|
|
void run()
|
||
|
|
{
|
||
|
|
// TODO TEST_CASE( remove1 );
|
||
|
|
// TODO TEST_CASE( remove2 );
|
||
|
|
}
|
||
|
|
|
||
|
|
void remove1()
|
||
|
|
{
|
||
|
|
check( "void f()\n"
|
||
|
|
"{\n"
|
||
|
|
" if (haystack.find(needle) != haystack.end())\n"
|
||
|
|
" haystack.remove(needle);"
|
||
|
|
"}\n" );
|
||
|
|
ASSERT_EQUALS( std::string("[test.cpp:3]: Redundant condition.\n"), errout.str() );
|
||
|
|
}
|
||
|
|
|
||
|
|
void remove2()
|
||
|
|
{
|
||
|
|
check( "void f()\n"
|
||
|
|
"{\n"
|
||
|
|
" if (haystack.find(needle) != haystack.end())\n"
|
||
|
|
" {\n"
|
||
|
|
" haystack.remove(needle);\n"
|
||
|
|
" }\n"
|
||
|
|
"}\n" );
|
||
|
|
ASSERT_EQUALS( std::string("[test.cpp:3]: Redundant condition.\n"), errout.str() );
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
REGISTER_TEST( TestRedundantIf )
|
||
|
|
|
||
|
|
|