cppcheck/testtokenize.cpp

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2008-11-20 20:23:05 +01:00
/*
* 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/
*/
// The preprocessor that c++check uses is a bit special. Instead of generating
// the code for a known configuration, it generates the code for each configuration.
#include <cstring>
#include "testsuite.h"
#define UNIT_TESTING // Get access to "private" data in Tokenizer
#include "tokenize.h"
extern std::ostringstream errout;
class TestTokenizer : public TestFixture
{
public:
TestTokenizer() : TestFixture("TestTokenizer")
{ }
private:
void run()
{
TEST_CASE( multiline );
TEST_CASE( longtok );
TEST_CASE( inlineasm );
TEST_CASE( dupfuncname );
}
bool cmptok(const char *expected[], const TOKEN *actual)
{
unsigned int i = 0;
for (; expected[i] && actual; ++i, actual = actual->next)
{
if ( strcmp( expected[i], actual->str ) != 0)
return false;
}
return (expected[i] == NULL && actual == NULL);
}
void multiline()
{
const char filedata[] = "#define str \"abc\" \\\n"
" \"def\"\n";
// tokenize..
Tokenizer tokenizer;
tokenizer._files.push_back( "test.cpp" );
std::istringstream istr(filedata);
tokenizer.TokenizeCode(istr, 0);
// Expected result..
const char *expected[] =
{
"def",
"str",
";",
0
};
// Compare..
ASSERT_EQUALS( true, cmptok(expected, tokenizer.tokens()) );
}
void longtok()
{
std::string filedata(10000,'a');
// tokenize..
Tokenizer tokenizer;
tokenizer._files.push_back( "test.cpp" );
std::istringstream istr(filedata);
tokenizer.TokenizeCode(istr, 0);
// Expected result..
ASSERT_EQUALS( std::string(10000,'a'), std::string(tokenizer.tokens()->str) );
}
void inlineasm()
{
const char filedata[] = "void foo()\n"
"{\n"
" __asm\n"
" {\n"
" jmp $jump1\n"
" $jump1:\n"
" }\n"
"}\n";
// tokenize..
Tokenizer tokenizer;
tokenizer._files.push_back( "test.cpp" );
std::istringstream istr(filedata);
tokenizer.TokenizeCode(istr, 0);
// Expected result..
const char *expected[] =
{
"void",
"foo",
"(",
")",
"{",
"}",
0
};
// Compare..
ASSERT_EQUALS( true, cmptok(expected, tokenizer.tokens()) );
}
void dupfuncname()
{
const char code[] = "void a()\n"
"{ }\n"
"void a(int i)\n"
"{ }\n"
"void b()\n"
"{ }\n";
// tokenize..
Tokenizer tokenizer;
tokenizer._files.push_back( "test.cpp" );
std::istringstream istr(code);
tokenizer.TokenizeCode(istr, 0);
tokenizer.fillFunctionList();
ASSERT_EQUALS( 1, tokenizer._functionList.size() );
ASSERT_EQUALS( std::string("b"), tokenizer._functionList[0]->str );
}
};
REGISTER_TEST( TestTokenizer )