cppcheck/test/testtokenlist.cpp

121 lines
3.7 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2016 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 "path.h"
#include "settings.h"
#include "tokenlist.h"
#include "token.h"
#include <cstring>
#include <sstream>
class TestTokenList : public TestFixture {
public:
TestTokenList() : TestFixture("TestTokenList") {
}
private:
Settings settings;
void run() {
TEST_CASE(line1); // Ticket #4408
TEST_CASE(line2); // Ticket #5423
TEST_CASE(testaddtoken);
TEST_CASE(inc);
}
// inspired by #5895
void testaddtoken() {
const std::string code = "0x89504e470d0a1a0a";
TokenList tokenlist(&settings);
tokenlist.addtoken(code, 1, 1, false);
ASSERT_EQUALS("9894494448401390090U", tokenlist.front()->str());
// that is supposed to break on 32bit
//unsigned long numberUL(0);
//std::istringstream(tokenlist.front()->str()) >> numberUL;
//ASSERT_EQUALS(9894494448401390090U, numberUL);
unsigned long long numberULL(0);
std::istringstream(tokenlist.front()->str()) >> numberULL;
ASSERT_EQUALS(9894494448401390090U, numberULL);
}
void line1() const {
// Test for Ticket #4408
const char code[] = "#file \"c:\\a.h\"\n"
"first\n"
"#line 5\n"
"second\n"
"#line not-a-number\n"
"third\n"
"#line 100 \"i.h\"\n"
"fourth\n"
"fifth\n"
"#endfile\n";
errout.str("");
TokenList tokenList(&settings);
std::istringstream istr(code);
bool res = tokenList.createTokens(istr, "a.cpp");
ASSERT_EQUALS(res, true);
for (const Token *tok = tokenList.front(); tok; tok = tok->next()) {
if (tok->str() == "first")
ASSERT_EQUALS(1, tok->linenr());
if (tok->str() == "second")
ASSERT_EQUALS(5, tok->linenr());
if (tok->str() == "third")
ASSERT_EQUALS(7, tok->linenr());
if (tok->str() == "fourth")
ASSERT_EQUALS(100, tok->linenr());
if (tok->str() == "fifth")
ASSERT_EQUALS(101, tok->linenr());
}
}
void line2() const {
const char code[] = "#line 8 \"c:\\a.h\"\n"
"123\n";
errout.str("");
// tokenize..
TokenList tokenlist(&settings);
std::istringstream istr(code);
tokenlist.createTokens(istr, "a.cpp");
ASSERT_EQUALS(Path::toNativeSeparators("[c:\\a.h:8]"), tokenlist.fileLine(tokenlist.front()));
}
void inc() const {
const char code[] = "a++1;1++b;";
errout.str("");
// tokenize..
TokenList tokenlist(&settings);
std::istringstream istr(code);
tokenlist.createTokens(istr, "a.cpp");
ASSERT(Token::simpleMatch(tokenlist.front(), "a + + 1 ; 1 + + b ;"));
}
};
REGISTER_TEST(TestTokenList)