| 1 | /* |
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| 2 | * |
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| 3 | * Copyright (c) 1998-2002 |
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| 4 | * John Maddock |
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| 5 | * |
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| 6 | * Use, modification and distribution are subject to the |
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| 7 | * Boost Software License, Version 1.0. (See accompanying file |
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| 8 | * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 9 | * |
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| 10 | */ |
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| 11 | |
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| 12 | /* |
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| 13 | * LOCATION: see http://www.boost.org for most recent version. |
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| 14 | * FILE: recursion_test.cpp |
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| 15 | * VERSION: see <boost/version.hpp> |
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| 16 | * DESCRIPTION: Test for indefinite recursion and/or stack overrun. |
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| 17 | */ |
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| 18 | |
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| 19 | #include <string> |
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| 20 | #include <boost/regex.hpp> |
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| 21 | #include <boost/test/test_tools.hpp> |
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| 22 | |
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| 23 | int test_main( int , char* [] ) |
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| 24 | { |
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| 25 | // this regex will recurse twice for each whitespace character matched: |
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| 26 | boost::regex e("([[:space:]]|.)+"); |
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| 27 | |
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| 28 | std::string bad_text(1024*1024*4, ' '); |
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| 29 | std::string good_text(200, ' '); |
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| 30 | |
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| 31 | boost::smatch what; |
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| 32 | |
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| 33 | // |
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| 34 | // Over and over: We want to make sure that after a stack error has |
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| 35 | // been triggered, that we can still conduct a good search and that |
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| 36 | // subsequent stack failures still do the right thing: |
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| 37 | // |
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| 38 | BOOST_CHECK(boost::regex_search(good_text, what, e)); |
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| 39 | BOOST_CHECK_THROW(boost::regex_search(bad_text, what, e), std::runtime_error); |
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| 40 | BOOST_CHECK(boost::regex_search(good_text, what, e)); |
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| 41 | BOOST_CHECK_THROW(boost::regex_search(bad_text, what, e), std::runtime_error); |
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| 42 | BOOST_CHECK(boost::regex_search(good_text, what, e)); |
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| 43 | BOOST_CHECK_THROW(boost::regex_search(bad_text, what, e), std::runtime_error); |
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| 44 | BOOST_CHECK(boost::regex_search(good_text, what, e)); |
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| 45 | BOOST_CHECK_THROW(boost::regex_search(bad_text, what, e), std::runtime_error); |
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| 46 | BOOST_CHECK(boost::regex_search(good_text, what, e)); |
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| 47 | |
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| 48 | BOOST_CHECK(boost::regex_match(good_text, what, e)); |
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| 49 | BOOST_CHECK_THROW(boost::regex_match(bad_text, what, e), std::runtime_error); |
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| 50 | BOOST_CHECK(boost::regex_match(good_text, what, e)); |
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| 51 | BOOST_CHECK_THROW(boost::regex_match(bad_text, what, e), std::runtime_error); |
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| 52 | BOOST_CHECK(boost::regex_match(good_text, what, e)); |
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| 53 | BOOST_CHECK_THROW(boost::regex_match(bad_text, what, e), std::runtime_error); |
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| 54 | BOOST_CHECK(boost::regex_match(good_text, what, e)); |
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| 55 | BOOST_CHECK_THROW(boost::regex_match(bad_text, what, e), std::runtime_error); |
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| 56 | BOOST_CHECK(boost::regex_match(good_text, what, e)); |
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| 57 | |
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| 58 | return 0; |
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| 59 | } |
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| 60 | |
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| 61 | #include <boost/test/included/test_exec_monitor.hpp> |
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