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/*
*
* Copyright (c) 1998-2002
* Dr 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 <string>
#include <boost/regex.hpp>
#include <boost/test/test_tools.hpp>
int test_main( int , char* [] )
{
// this regex will recurse twice for each whitespace character matched:
boost::regex e("([[:space:]]|.)+");
std::string bad_text(1024*1024*4, ' ');
std::string good_text(200, ' ');
boost::smatch what;
//
// Over and over: We want to make sure that after a stack error has
// been triggered, that we can still conduct a good search and that
// subsequent stack failures still do the right thing:
//
BOOST_CHECK(boost::regex_search(good_text, what, e));
BOOST_CHECK_THROW(boost::regex_search(bad_text, what, e), std::runtime_error);
BOOST_CHECK(boost::regex_search(good_text, what, e));
BOOST_CHECK_THROW(boost::regex_search(bad_text, what, e), std::runtime_error);
BOOST_CHECK(boost::regex_search(good_text, what, e));
BOOST_CHECK_THROW(boost::regex_search(bad_text, what, e), std::runtime_error);
BOOST_CHECK(boost::regex_search(good_text, what, e));
BOOST_CHECK_THROW(boost::regex_search(bad_text, what, e), std::runtime_error);
BOOST_CHECK(boost::regex_search(good_text, what, e));
BOOST_CHECK(boost::regex_match(good_text, what, e));
BOOST_CHECK_THROW(boost::regex_match(bad_text, what, e), std::runtime_error);
BOOST_CHECK(boost::regex_match(good_text, what, e));
BOOST_CHECK_THROW(boost::regex_match(bad_text, what, e), std::runtime_error);
BOOST_CHECK(boost::regex_match(good_text, what, e));
BOOST_CHECK_THROW(boost::regex_match(bad_text, what, e), std::runtime_error);
BOOST_CHECK(boost::regex_match(good_text, what, e));
BOOST_CHECK_THROW(boost::regex_match(bad_text, what, e), std::runtime_error);
BOOST_CHECK(boost::regex_match(good_text, what, e));
return 0;
}
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