6ffcc5ede0
Big search and replace to change name of internal namepace so it's mangled with the Boost version number - the aim is to reduce the chances of mixing different header and library versions.
390 lines
13 KiB
C++
390 lines
13 KiB
C++
/*
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*
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* Copyright (c) 2004
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* John Maddock
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*
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* Use, modification and distribution are subject to the
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* Boost Software License, Version 1.0. (See accompanying file
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* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*
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*/
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/*
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* LOCATION: see http://www.boost.org for most recent version.
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* FILE test_regex_search.hpp
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* VERSION see <boost/version.hpp>
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* DESCRIPTION: Declares tests for regex search and iteration.
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*/
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#ifndef BOOST_REGEX_REGRESS_REGEX_PARTIAL_MATCH_HPP
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#define BOOST_REGEX_REGRESS_REGEX_PARTIAL_MATCH_HPP
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#include "info.hpp"
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//
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// this file implements a test for a regular expression that should compile,
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// followed by a search for that expression:
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//
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struct test_regex_search_tag{};
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template <class BidirectionalIterator>
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void test_sub_match(const boost::sub_match<BidirectionalIterator>& sub, BidirectionalIterator base, const int* answer_table, int i)
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{
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#ifdef BOOST_MSVC
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#pragma warning(push)
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#pragma warning(disable:4244)
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#endif
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typedef typename boost::sub_match<BidirectionalIterator>::value_type charT;
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if((sub.matched == 0)
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&&
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!((i == 0)
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&& (test_info<charT>::match_options() & boost::match_partial)) )
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{
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if(answer_table[2*i] >= 0)
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{
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BOOST_REGEX_TEST_ERROR(
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"Sub-expression " << i
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<< " was not matched when it should have been.", charT);
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}
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}
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else
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{
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if(boost::BOOST_REGEX_DETAIL_NS::distance(base, sub.first) != answer_table[2*i])
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{
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BOOST_REGEX_TEST_ERROR(
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"Error in start location of sub-expression "
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<< i << ", found " << boost::BOOST_REGEX_DETAIL_NS::distance(base, sub.first)
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<< ", expected " << answer_table[2*i] << ".", charT);
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}
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if(boost::BOOST_REGEX_DETAIL_NS::distance(base, sub.second) != answer_table[1+ 2*i])
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{
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BOOST_REGEX_TEST_ERROR(
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"Error in end location of sub-expression "
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<< i << ", found " << boost::BOOST_REGEX_DETAIL_NS::distance(base, sub.second)
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<< ", expected " << answer_table[1 + 2*i] << ".", charT);
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}
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}
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#ifdef BOOST_MSVC
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#pragma warning(pop)
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#endif
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}
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template <class BidirectionalIterator, class Allocator>
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void test_result(const boost::match_results<BidirectionalIterator, Allocator>& what, BidirectionalIterator base, const int* answer_table)
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{
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for(unsigned i = 0; i < what.size(); ++i)
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{
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test_sub_match(what[i], base, answer_table, i);
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}
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}
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template<class charT, class traits>
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void test_simple_search(boost::basic_regex<charT, traits>& r)
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{
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typedef typename std::basic_string<charT>::const_iterator const_iterator;
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const std::basic_string<charT>& search_text = test_info<charT>::search_text();
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boost::regex_constants::match_flag_type opts = test_info<charT>::match_options();
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const int* answer_table = test_info<charT>::answer_table();
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boost::match_results<const_iterator> what;
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if(boost::regex_search(
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search_text.begin(),
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search_text.end(),
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what,
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r,
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opts))
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{
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test_result(what, search_text.begin(), answer_table);
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// setting match_any should have no effect on the result returned:
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if(!boost::regex_search(
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search_text.begin(),
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search_text.end(),
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r,
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opts|boost::regex_constants::match_any))
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{
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BOOST_REGEX_TEST_ERROR("Expected match was not found when using the match_any flag.", charT);
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}
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}
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else
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{
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if(answer_table[0] >= 0)
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{
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// we should have had a match but didn't:
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BOOST_REGEX_TEST_ERROR("Expected match was not found.", charT);
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}
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// setting match_any should have no effect on the result returned:
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else if(boost::regex_search(
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search_text.begin(),
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search_text.end(),
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r,
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opts|boost::regex_constants::match_any))
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{
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BOOST_REGEX_TEST_ERROR("Unexpected match was found when using the match_any flag.", charT);
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}
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}
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}
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template<class charT, class traits>
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void test_regex_iterator(boost::basic_regex<charT, traits>& r)
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{
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typedef typename std::basic_string<charT>::const_iterator const_iterator;
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typedef boost::regex_iterator<const_iterator, charT, traits> test_iterator;
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const std::basic_string<charT>& search_text = test_info<charT>::search_text();
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boost::regex_constants::match_flag_type opts = test_info<charT>::match_options();
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const int* answer_table = test_info<charT>::answer_table();
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test_iterator start(search_text.begin(), search_text.end(), r, opts), end;
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test_iterator copy(start);
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const_iterator last_end = search_text.begin();
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while(start != end)
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{
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if(start != copy)
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{
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BOOST_REGEX_TEST_ERROR("Failed iterator != comparison.", charT);
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}
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if(!(start == copy))
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{
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BOOST_REGEX_TEST_ERROR("Failed iterator == comparison.", charT);
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}
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test_result(*start, search_text.begin(), answer_table);
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// test $` and $' :
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if(start->prefix().first != last_end)
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{
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BOOST_REGEX_TEST_ERROR("Incorrect position for start of $`", charT);
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}
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if(start->prefix().second != (*start)[0].first)
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{
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BOOST_REGEX_TEST_ERROR("Incorrect position for end of $`", charT);
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}
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if(start->prefix().matched != (start->prefix().first != start->prefix().second))
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{
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BOOST_REGEX_TEST_ERROR("Incorrect position for matched member of $`", charT);
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}
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if(start->suffix().first != (*start)[0].second)
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{
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BOOST_REGEX_TEST_ERROR("Incorrect position for start of $'", charT);
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}
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if(start->suffix().second != search_text.end())
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{
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BOOST_REGEX_TEST_ERROR("Incorrect position for end of $'", charT);
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}
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if(start->suffix().matched != (start->suffix().first != start->suffix().second))
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{
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BOOST_REGEX_TEST_ERROR("Incorrect position for matched member of $'", charT);
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}
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last_end = (*start)[0].second;
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++start;
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++copy;
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// move on the answer table to next set of answers;
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if(*answer_table != -2)
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while(*answer_table++ != -2){}
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}
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if(answer_table[0] >= 0)
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{
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// we should have had a match but didn't:
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BOOST_REGEX_TEST_ERROR("Expected match was not found.", charT);
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}
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}
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template<class charT, class traits>
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void test_regex_token_iterator(boost::basic_regex<charT, traits>& r)
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{
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typedef typename std::basic_string<charT>::const_iterator const_iterator;
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typedef boost::regex_token_iterator<const_iterator, charT, traits> test_iterator;
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const std::basic_string<charT>& search_text = test_info<charT>::search_text();
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boost::regex_constants::match_flag_type opts = test_info<charT>::match_options();
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const int* answer_table = test_info<charT>::answer_table();
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//
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// we start by testing sub-expression 0:
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//
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test_iterator start(search_text.begin(), search_text.end(), r, 0, opts), end;
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test_iterator copy(start);
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while(start != end)
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{
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if(start != copy)
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{
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BOOST_REGEX_TEST_ERROR("Failed iterator != comparison.", charT);
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}
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if(!(start == copy))
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{
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BOOST_REGEX_TEST_ERROR("Failed iterator == comparison.", charT);
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}
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test_sub_match(*start, search_text.begin(), answer_table, 0);
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++start;
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++copy;
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// move on the answer table to next set of answers;
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if(*answer_table != -2)
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while(*answer_table++ != -2){}
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}
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if(answer_table[0] >= 0)
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{
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// we should have had a match but didn't:
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BOOST_REGEX_TEST_ERROR("Expected match was not found.", charT);
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}
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//
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// and now field spitting:
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//
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test_iterator start2(search_text.begin(), search_text.end(), r, -1, opts), end2;
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test_iterator copy2(start2);
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int last_end2 = 0;
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answer_table = test_info<charT>::answer_table();
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while(start2 != end2)
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{
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if(start2 != copy2)
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{
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BOOST_REGEX_TEST_ERROR("Failed iterator != comparison.", charT);
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}
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if(!(start2 == copy2))
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{
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BOOST_REGEX_TEST_ERROR("Failed iterator == comparison.", charT);
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}
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#ifdef BOOST_MSVC
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#pragma warning(push)
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#pragma warning(disable:4244)
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#endif
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if(boost::BOOST_REGEX_DETAIL_NS::distance(search_text.begin(), start2->first) != last_end2)
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{
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BOOST_REGEX_TEST_ERROR(
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"Error in location of start of field split, found: "
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<< boost::BOOST_REGEX_DETAIL_NS::distance(search_text.begin(), start2->first)
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<< ", expected: "
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<< last_end2
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<< ".", charT);
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}
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int expected_end = static_cast<int>(answer_table[0] < 0 ? search_text.size() : answer_table[0]);
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if(boost::BOOST_REGEX_DETAIL_NS::distance(search_text.begin(), start2->second) != expected_end)
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{
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BOOST_REGEX_TEST_ERROR(
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"Error in location of end2 of field split, found: "
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<< boost::BOOST_REGEX_DETAIL_NS::distance(search_text.begin(), start2->second)
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<< ", expected: "
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<< expected_end
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<< ".", charT);
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}
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#ifdef BOOST_MSVC
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#pragma warning(pop)
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#endif
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last_end2 = answer_table[1];
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++start2;
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++copy2;
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// move on the answer table to next set of answers;
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if(*answer_table != -2)
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while(*answer_table++ != -2){}
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}
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if(answer_table[0] >= 0)
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{
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// we should have had a match but didn't:
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BOOST_REGEX_TEST_ERROR("Expected match was not found.", charT);
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}
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}
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template <class charT, class traits>
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struct grep_test_predicate
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{
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typedef typename std::basic_string<charT>::const_iterator test_iter;
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grep_test_predicate(test_iter b, const int* a)
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: m_base(b), m_table(a)
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{}
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bool operator()(const boost::match_results<test_iter>& what)
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{
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test_result(what, m_base, m_table);
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// move on the answer table to next set of answers;
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if(*m_table != -2)
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while(*m_table++ != -2){}
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return true;
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}
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private:
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test_iter m_base;
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const int* m_table;
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};
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template<class charT, class traits>
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void test_regex_grep(boost::basic_regex<charT, traits>& r)
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{
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typedef typename std::basic_string<charT>::const_iterator const_iterator;
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const std::basic_string<charT>& search_text = test_info<charT>::search_text();
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boost::regex_constants::match_flag_type opts = test_info<charT>::match_options();
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const int* answer_table = test_info<charT>::answer_table();
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grep_test_predicate<charT, traits> pred(search_text.begin(), answer_table);
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boost::regex_grep(pred, search_text.begin(), search_text.end(), r, opts);
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}
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template<class charT, class traits>
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void test_regex_match(boost::basic_regex<charT, traits>& r)
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{
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typedef typename std::basic_string<charT>::const_iterator const_iterator;
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const std::basic_string<charT>& search_text = test_info<charT>::search_text();
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boost::regex_constants::match_flag_type opts = test_info<charT>::match_options();
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const int* answer_table = test_info<charT>::answer_table();
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boost::match_results<const_iterator> what;
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if(answer_table[0] < 0)
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{
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if(boost::regex_match(search_text, r, opts))
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{
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BOOST_REGEX_TEST_ERROR("boost::regex_match found a match when it should not have done so.", charT);
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}
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}
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else
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{
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if((answer_table[0] > 0) && boost::regex_match(search_text, r, opts))
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{
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BOOST_REGEX_TEST_ERROR("boost::regex_match found a match when it should not have done so.", charT);
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}
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else if((answer_table[0] == 0) && (answer_table[1] == static_cast<int>(search_text.size())))
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{
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if(boost::regex_match(
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search_text.begin(),
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search_text.end(),
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what,
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r,
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opts))
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{
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test_result(what, search_text.begin(), answer_table);
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}
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else if(answer_table[0] >= 0)
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{
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// we should have had a match but didn't:
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BOOST_REGEX_TEST_ERROR("Expected match was not found.", charT);
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}
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}
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}
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}
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template<class charT, class traits>
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void test(boost::basic_regex<charT, traits>& r, const test_regex_search_tag&)
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{
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const std::basic_string<charT>& expression = test_info<charT>::expression();
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boost::regex_constants::syntax_option_type syntax_options = test_info<charT>::syntax_options();
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try{
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r.assign(expression, syntax_options);
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if(r.status())
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{
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BOOST_REGEX_TEST_ERROR("Expression did not compile when it should have done, error code = " << r.status(), charT);
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}
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test_simple_search(r);
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test_regex_iterator(r);
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test_regex_token_iterator(r);
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test_regex_grep(r);
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test_regex_match(r);
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}
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catch(const boost::bad_expression& e)
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{
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BOOST_REGEX_TEST_ERROR("Expression did not compile when it should have done: " << e.what(), charT);
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}
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catch(const std::runtime_error& r)
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{
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BOOST_REGEX_TEST_ERROR("Received an unexpected std::runtime_error: " << r.what(), charT);
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}
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catch(const std::exception& r)
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{
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BOOST_REGEX_TEST_ERROR("Received an unexpected std::exception: " << r.what(), charT);
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}
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catch(...)
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{
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BOOST_REGEX_TEST_ERROR("Received an unexpected exception of unknown type", charT);
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}
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}
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#endif
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