cppcheck/test/testcmdlineparser.cpp

119 lines
3.1 KiB
C++

/*
* Cppcheck - A tool for static C/C++ code analysis
* Copyright (C) 2007-2010 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 <iostream>
#include "testsuite.h"
#include "cmdlineparser.h"
#include "settings.h"
extern std::ostringstream errout;
extern std::ostringstream output;
class RedirectInputOutput
{
public:
RedirectInputOutput()
{
// flush all old output
std::cout.flush();
std::cerr.flush();
_oldCout = std::cout.rdbuf(); // back up cout's streambuf
_oldCerr = std::cerr.rdbuf(); // back up cerr's streambuf
std::cout.rdbuf(_out.rdbuf()); // assign streambuf to cout
std::cerr.rdbuf(_err.rdbuf()); // assign streambuf to cerr
}
~RedirectInputOutput()
{
std::cout.rdbuf(_oldCout); // restore cout's original streambuf
std::cerr.rdbuf(_oldCerr); // restore cerrs's original streambuf
errout << _err.str();
output << _out.str();
}
private:
std::stringstream _out;
std::stringstream _err;
std::streambuf* _oldCout;
std::streambuf *_oldCerr;
};
#define REDIRECT RedirectInputOutput redir;
class TestCmdlineParser : public TestFixture
{
public:
TestCmdlineParser() : TestFixture("TestCmdlineParser")
{ }
private:
void run()
{
TEST_CASE(nooptions);
TEST_CASE(helpshort);
TEST_CASE(helplong);
TEST_CASE(showversion);
}
void nooptions()
{
REDIRECT;
const char *argv[] = {"cppcheck"};
Settings settings;
CmdLineParser parser(&settings);
ASSERT(parser.ParseFromArgs(1, argv));
ASSERT_EQUALS(true, parser.GetShowHelp());
}
void helpshort()
{
REDIRECT;
const char *argv[] = {"cppcheck", "-h"};
Settings settings;
CmdLineParser parser(&settings);
ASSERT(parser.ParseFromArgs(2, argv));
ASSERT_EQUALS(true, parser.GetShowHelp());
}
void helplong()
{
REDIRECT;
const char *argv[] = {"cppcheck", "--help"};
Settings settings;
CmdLineParser parser(&settings);
ASSERT(parser.ParseFromArgs(2, argv));
ASSERT_EQUALS(true, parser.GetShowHelp());
}
void showversion()
{
REDIRECT;
const char *argv[] = {"cppcheck", "--version"};
Settings settings;
CmdLineParser parser(&settings);
ASSERT(parser.ParseFromArgs(2, argv));
ASSERT_EQUALS(true, parser.GetShowVersion());
}
};
REGISTER_TEST(TestCmdlineParser)