cppcheck/test/testtokenlist.cpp

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/*
* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2023 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 "settings.h"
#include "fixture.h"
#include "platform.h"
#include "token.h"
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#include "tokenlist.h"
#include <sstream> // IWYU pragma: keep
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#include <string>
class TestTokenList : public TestFixture {
public:
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TestTokenList() : TestFixture("TestTokenList") {}
private:
const Settings settings;
void run() override {
TEST_CASE(testaddtoken1);
TEST_CASE(testaddtoken2);
TEST_CASE(inc);
TEST_CASE(isKeyword);
}
// inspired by #5895
void testaddtoken1() const {
const std::string code = "0x89504e470d0a1a0a";
TokenList tokenlist(&settings);
tokenlist.addtoken(code, 1, 1, false);
ASSERT_EQUALS("0x89504e470d0a1a0a", tokenlist.front()->str());
}
void testaddtoken2() const {
const std::string code = "0xF0000000";
Settings settings1;
settings1.platform.int_bit = 32;
TokenList tokenlist(&settings1);
tokenlist.addtoken(code, 1, 1, false);
ASSERT_EQUALS("0xF0000000", tokenlist.front()->str());
}
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 ;"));
}
void isKeyword() const {
const char code[] = "for a int delete true";
{
TokenList tokenlist(&settings);
std::istringstream istr(code);
tokenlist.createTokens(istr, "a.c");
ASSERT_EQUALS(true, tokenlist.front()->isKeyword());
ASSERT_EQUALS(true, tokenlist.front()->isControlFlowKeyword());
ASSERT_EQUALS(false, tokenlist.front()->next()->isKeyword());
ASSERT_EQUALS(false, tokenlist.front()->next()->isControlFlowKeyword());
ASSERT_EQUALS(false, tokenlist.front()->tokAt(2)->isKeyword());
ASSERT_EQUALS(true, tokenlist.front()->tokAt(2)->tokType() == Token::eType);
ASSERT_EQUALS(false, tokenlist.front()->tokAt(2)->isControlFlowKeyword());
ASSERT_EQUALS(false, tokenlist.front()->tokAt(3)->isKeyword());
ASSERT_EQUALS(false, tokenlist.front()->tokAt(3)->isControlFlowKeyword());
ASSERT_EQUALS(false, tokenlist.front()->tokAt(4)->isKeyword());
ASSERT_EQUALS(true, tokenlist.front()->tokAt(4)->isLiteral());
ASSERT_EQUALS(false, tokenlist.front()->tokAt(4)->isControlFlowKeyword());
}
{
TokenList tokenlist(&settings);
std::istringstream istr(code);
tokenlist.createTokens(istr, "a.cpp");
ASSERT_EQUALS(true, tokenlist.front()->isKeyword());
ASSERT_EQUALS(true, tokenlist.front()->isControlFlowKeyword());
ASSERT_EQUALS(false, tokenlist.front()->next()->isKeyword());
ASSERT_EQUALS(false, tokenlist.front()->next()->isControlFlowKeyword());
ASSERT_EQUALS(false, tokenlist.front()->tokAt(2)->isKeyword());
ASSERT_EQUALS(true, tokenlist.front()->tokAt(2)->tokType() == Token::eType);
ASSERT_EQUALS(false, tokenlist.front()->tokAt(2)->isControlFlowKeyword());
ASSERT_EQUALS(true, tokenlist.front()->tokAt(3)->isKeyword());
ASSERT_EQUALS(false, tokenlist.front()->tokAt(3)->isControlFlowKeyword());
ASSERT_EQUALS(false, tokenlist.front()->tokAt(4)->isKeyword());
ASSERT_EQUALS(true, tokenlist.front()->tokAt(4)->isLiteral());
ASSERT_EQUALS(false, tokenlist.front()->tokAt(4)->isControlFlowKeyword());
}
{
const char code2[] = "_Generic"; // C11 keyword
TokenList tokenlist(nullptr); // no settings use latest standard
std::istringstream istr(code2);
tokenlist.createTokens(istr, "a.cpp");
ASSERT_EQUALS(false, tokenlist.front()->isKeyword());
}
{
const char code2[] = "_Generic"; // C11 keyword
TokenList tokenlist(nullptr); // no settings use latest standard
std::istringstream istr(code2);
tokenlist.createTokens(istr, "a.c");
ASSERT_EQUALS(true, tokenlist.front()->isKeyword());
}
{
const char code2[] = "_Generic"; // C11 keyword
const Settings s = settingsBuilder().c(Standards::C89).build();
TokenList tokenlist(&s);
std::istringstream istr(code2);
tokenlist.createTokens(istr, "a.c");
ASSERT_EQUALS(false, tokenlist.front()->isKeyword());
}
{
const char code2[] = "co_return"; // C++20 keyword
TokenList tokenlist(nullptr); // no settings use latest standard
std::istringstream istr(code2);
tokenlist.createTokens(istr, "a.cpp");
ASSERT_EQUALS(true, tokenlist.front()->isKeyword());
}
{
const char code2[] = "co_return"; // C++20 keyword
TokenList tokenlist(nullptr); // no settings use latest standard
std::istringstream istr(code2);
tokenlist.createTokens(istr, "a.c");
ASSERT_EQUALS(false, tokenlist.front()->isKeyword());
}
{
const char code2[] = "noexcept"; // C++11 keyword
const Settings s = settingsBuilder().cpp(Standards::CPP03).build();
TokenList tokenlist(&s);
std::istringstream istr(code2);
tokenlist.createTokens(istr, "a.cpp");
ASSERT_EQUALS(false, tokenlist.front()->isKeyword());
}
}
};
REGISTER_TEST(TestTokenList)