98 lines
2.6 KiB
C++
98 lines
2.6 KiB
C++
/*
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* c++check - c/c++ syntax checking
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* Copyright (C) 2007 Daniel Marjamäki
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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 "CommonCheck.h"
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#include "CheckOther.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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extern bool ShowAll;
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class TestCharVar : public TestFixture
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{
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public:
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TestCharVar() : TestFixture("TestCharVar")
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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( array_index );
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TEST_CASE( bitop );
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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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tokens = tokens_back = NULL;
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std::istringstream istr(code);
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TokenizeCode( istr );
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// Fill function list
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FillFunctionList(0);
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// Clear the error buffer..
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errout.str("");
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// Check for memory leaks..
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ShowAll = true;
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CheckCharVariable();
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}
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void array_index()
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{
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check( "void foo()\n"
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"{\n"
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" unsigned char ch = 0x80;\n"
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" buf[ch] = 0;\n"
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"}\n" );
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ASSERT_EQUALS( std::string(""), errout.str() );
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check( "void foo()\n"
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"{\n"
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" char ch = 0x80;\n"
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" buf[ch] = 0;\n"
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"}\n" );
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ASSERT_EQUALS( std::string("[test.cpp:4]: Warning - using char variable as array index\n"), errout.str() );
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check( "void foo(char ch)\n"
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"{\n"
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" buf[ch] = 0;\n"
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"}\n" );
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ASSERT_EQUALS( std::string("[test.cpp:3]: Warning - using char variable as array index\n"), errout.str() );
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}
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void bitop()
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{
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check( "void foo()\n"
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"{\n"
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" char ch;\n"
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" result = a | ch;\n"
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"}\n" );
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ASSERT_EQUALS( std::string("[test.cpp:4]: Warning - using char variable in bit operation\n"), errout.str() );
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}
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};
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REGISTER_TEST( TestCharVar )
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