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cppcheck/test/testtoken.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2011 Daniel Marjamäki and Cppcheck team.
*
* 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 "testsuite.h"
#include "testutils.h"
#include "token.h"
#include "settings.h"
#include <cstring>
extern std::ostringstream errout;
class TestToken : public TestFixture
{
public:
TestToken() : TestFixture("TestToken")
{ }
private:
void run()
{
TEST_CASE(nextprevious);
TEST_CASE(multiCompare);
TEST_CASE(getStrLength);
TEST_CASE(strValue);
TEST_CASE(deleteLast);
TEST_CASE(matchAny);
TEST_CASE(matchSingleChar);
TEST_CASE(matchNothingOrAnyNotElse);
TEST_CASE(matchNumeric);
TEST_CASE(matchBoolean);
TEST_CASE(matchOr);
}
void nextprevious()
{
Token *token = new Token(0);
token->str("1");
token->insertToken("2");
token->next()->insertToken("3");
Token *last = token->tokAt(2);
ASSERT_EQUALS(token->str(), "1");
ASSERT_EQUALS(token->next()->str(), "2");
ASSERT_EQUALS(token->tokAt(2)->str(), "3");
if (last->next())
ASSERT_EQUALS("Null was expected", "");
ASSERT_EQUALS(last->str(), "3");
ASSERT_EQUALS(last->previous()->str(), "2");
ASSERT_EQUALS(last->tokAt(-2)->str(), "1");
if (token->previous())
ASSERT_EQUALS("Null was expected", "");
Tokenizer::deleteTokens(token);
}
void multiCompare()
{
// Test for found
ASSERT_EQUALS(1, Token::multiCompare("one|two", "one"));
ASSERT_EQUALS(1, Token::multiCompare("one|two", "two"));
ASSERT_EQUALS(1, Token::multiCompare("verybig|two|", "two"));
// Test for empty string found
ASSERT_EQUALS(0, Token::multiCompare("|one|two", "notfound"));
ASSERT_EQUALS(0, Token::multiCompare("one||two", "notfound"));
ASSERT_EQUALS(0, Token::multiCompare("one|two|", "notfound"));
// Test for not found
ASSERT_EQUALS(static_cast<unsigned int>(-1), static_cast<unsigned int>(Token::multiCompare("one|two", "notfound")));
ASSERT_EQUALS(static_cast<unsigned int>(-1), static_cast<unsigned int>(Token::multiCompare("verybig|two", "s")));
ASSERT_EQUALS(static_cast<unsigned int>(-1), static_cast<unsigned int>(Token::multiCompare("one|two", "ne")));
ASSERT_EQUALS(static_cast<unsigned int>(-1), static_cast<unsigned int>(Token::multiCompare("abc|def", "a")));
ASSERT_EQUALS(static_cast<unsigned int>(-1), static_cast<unsigned int>(Token::multiCompare("abc|def", "abcd")));
ASSERT_EQUALS(static_cast<unsigned int>(-1), static_cast<unsigned int>(Token::multiCompare("abc|def", "default")));
// %op%
ASSERT_EQUALS(1, Token::multiCompare("one|%op%", "+"));
ASSERT_EQUALS(1, Token::multiCompare("%op%|two", "+"));
ASSERT_EQUALS(-1, Token::multiCompare("one|%op%", "x"));
ASSERT_EQUALS(-1, Token::multiCompare("%op%|two", "x"));
}
void getStrLength()
{
Token tok(0);
tok.str("\"\"");
ASSERT_EQUALS(0, (int)Token::getStrLength(&tok));
tok.str("\"test\"");
ASSERT_EQUALS(4, (int)Token::getStrLength(&tok));
tok.str("\"test \\\\test\"");
ASSERT_EQUALS(10, (int)Token::getStrLength(&tok));
tok.str("\"a\\0\"");
ASSERT_EQUALS(1, (int)Token::getStrLength(&tok));
}
void strValue()
{
Token tok(0);
tok.str("\"\"");
ASSERT_EQUALS(std::string(""), tok.strValue());
tok.str("\"0\"");
ASSERT_EQUALS(std::string("0"), tok.strValue());
}
void deleteLast()
{
Token *tokensBack = 0;
Token tok(&tokensBack);
tok.insertToken("aba");
ASSERT_EQUALS(true, tokensBack == tok.next());
tok.deleteNext();
ASSERT_EQUALS(true, tokensBack == &tok);
}
void matchAny()
{
givenACodeSampleToTokenize varBitOrVar("abc|def");
ASSERT_EQUALS(true, Token::Match(varBitOrVar.tokens(), "%var% | %var%"));
givenACodeSampleToTokenize varLogOrVar("abc||def");
ASSERT_EQUALS(true, Token::Match(varLogOrVar.tokens(), "%var% || %var%"));
}
void matchSingleChar()
{
givenACodeSampleToTokenize singleChar("a");
ASSERT_EQUALS(true, Token::Match(singleChar.tokens(), "[a|bc]"));
ASSERT_EQUALS(false, Token::Match(singleChar.tokens(), "[d|ef]"));
Token multiChar(0);
multiChar.str("[ab");
ASSERT_EQUALS(false, Token::Match(&multiChar, "[ab|def]"));
}
void matchNothingOrAnyNotElse()
{
givenACodeSampleToTokenize emptyString("");
ASSERT_EQUALS(true, Token::Match(emptyString.tokens(), "!!else"));
ASSERT_EQUALS(false, Token::Match(emptyString.tokens(), "!!else something"));
givenACodeSampleToTokenize ifSemicolon("if ;");
ASSERT_EQUALS(true, Token::Match(ifSemicolon.tokens(), "!!return if"));
ASSERT_EQUALS(true, Token::Match(ifSemicolon.tokens(), "if ; !!else"));
givenACodeSampleToTokenize ifSemicolonSomething("if ; something");
ASSERT_EQUALS(true, Token::Match(ifSemicolonSomething.tokens(), "if ; !!else"));
givenACodeSampleToTokenize justElse("else");
ASSERT_EQUALS(false, Token::Match(justElse.tokens(), "!!else"));
givenACodeSampleToTokenize ifSemicolonElse("if ; else");
ASSERT_EQUALS(false, Token::Match(ifSemicolonElse.tokens(), "if ; !!else"));
}
void matchNumeric()
{
givenACodeSampleToTokenize nonNumeric("abc");
ASSERT_EQUALS(false, Token::Match(nonNumeric.tokens(), "%num%"));
givenACodeSampleToTokenize binary("101010b");
ASSERT_EQUALS(true, Token::Match(binary.tokens(), "%num%"));
givenACodeSampleToTokenize octal("0123");
ASSERT_EQUALS(true, Token::Match(octal.tokens(), "%num%"));
givenACodeSampleToTokenize decimal("4567");
ASSERT_EQUALS(true, Token::Match(decimal.tokens(), "%num%"));
givenACodeSampleToTokenize hexadecimal("0xDEADBEEF");
ASSERT_EQUALS(true, Token::Match(hexadecimal.tokens(), "%num%"));
givenACodeSampleToTokenize floatingPoint("0.0f");
ASSERT_EQUALS(true, Token::Match(hexadecimal.tokens(), "%num%"));
givenACodeSampleToTokenize doublePrecision("0.0d");
ASSERT_EQUALS(true, Token::Match(hexadecimal.tokens(), "%num%"));
givenACodeSampleToTokenize unsignedInt("0U");
ASSERT_EQUALS(true, Token::Match(hexadecimal.tokens(), "%num%"));
givenACodeSampleToTokenize unsignedLong("0UL");
ASSERT_EQUALS(true, Token::Match(hexadecimal.tokens(), "%num%"));
givenACodeSampleToTokenize unsignedLongLong("0ULL");
ASSERT_EQUALS(true, Token::Match(hexadecimal.tokens(), "%num%"));
givenACodeSampleToTokenize positive("+666");
ASSERT_EQUALS(true, Token::Match(positive.tokens(), "+ %num%"));
givenACodeSampleToTokenize negative("-42");
ASSERT_EQUALS(true, Token::Match(negative.tokens(), "- %num%"));
}
void matchBoolean()
{
givenACodeSampleToTokenize yes("YES");
ASSERT_EQUALS(false, Token::Match(yes.tokens(), "%bool%"));
givenACodeSampleToTokenize positive("true");
ASSERT_EQUALS(true, Token::Match(positive.tokens(), "%bool%"));
givenACodeSampleToTokenize negative("false");
ASSERT_EQUALS(true, Token::Match(negative.tokens(), "%bool%"));
}
void matchOr()
{
givenACodeSampleToTokenize bitwiseOr("|");
ASSERT_EQUALS(true, Token::Match(bitwiseOr.tokens(), "%or%"));
givenACodeSampleToTokenize logicalOr("||");
ASSERT_EQUALS(true, Token::Match(logicalOr.tokens(), "%oror%"));
ASSERT_EQUALS(false, Token::Match(logicalOr.tokens(), "%or%"));
ASSERT_EQUALS(false, Token::Match(bitwiseOr.tokens(), "%oror%"));
ASSERT_EQUALS(true, Token::Match(logicalOr.tokens(), "&&|%oror%"));
ASSERT_EQUALS(true, Token::Match(logicalOr.tokens(), "%oror%|&&"));
}
void matchOp()
{
givenACodeSampleToTokenize op("+");
ASSERT_EQUALS(true, Token::Match(op.tokens(), "%op%"));
}
};
REGISTER_TEST(TestToken)
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