int test_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; }
int cpp_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; }