regex/test/pathology/bad_expression_test.cpp

61 lines
1.8 KiB
C++

/*
*
* Copyright (c) 1998-2002
* John Maddock
*
* Use, modification and distribution are subject to the
* Boost Software License, Version 1.0. (See accompanying file
* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*
*/
/*
* LOCATION: see http://www.boost.org for most recent version.
* FILE: recursion_test.cpp
* VERSION: see <boost/version.hpp>
* DESCRIPTION: Test for indefinite recursion and/or stack overrun.
*/
#include <boost/regex.hpp>
#include <boost/detail/lightweight_main.hpp>
#include "../test_macros.hpp"
#include <string>
#ifdef BOOST_INTEL
#pragma warning(disable:1418 981 983 383)
#endif
int cpp_main( int , char* [] )
{
std::string bad_text(1024, ' ');
std::string good_text(200, ' ');
good_text.append("xyz");
boost::smatch what;
boost::regex e1("(.+)+xyz");
BOOST_CHECK(boost::regex_search(good_text, what, e1));
BOOST_CHECK_THROW(boost::regex_search(bad_text, what, e1), std::runtime_error);
BOOST_CHECK(boost::regex_search(good_text, what, e1));
BOOST_CHECK(boost::regex_match(good_text, what, e1));
BOOST_CHECK_THROW(boost::regex_match(bad_text, what, e1), std::runtime_error);
BOOST_CHECK(boost::regex_match(good_text, what, e1));
boost::regex e2("abc|[[:space:]]+(xyz)?[[:space:]]+xyz");
BOOST_CHECK(boost::regex_search(good_text, what, e2));
BOOST_CHECK_THROW(boost::regex_search(bad_text, what, e2), std::runtime_error);
BOOST_CHECK(boost::regex_search(good_text, what, e2));
bad_text.assign((std::string::size_type)500000, 'a');
e2.assign("aaa*@");
BOOST_CHECK_THROW(boost::regex_search(bad_text, what, e2), std::runtime_error);
good_text.assign((std::string::size_type)5000, 'a');
BOOST_CHECK(0 == boost::regex_search(good_text, what, e2));
return 0;
}