aa78f9cdb3
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111075 91177308-0d34-0410-b5e6-96231b3b80d8
82 lines
2.9 KiB
C++
82 lines
2.9 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <regex>
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// template <class BidirectionalIterator, class Allocator, class charT, class traits>
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// bool
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// regex_match(BidirectionalIterator first, BidirectionalIterator last,
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// match_results<BidirectionalIterator, Allocator>& m,
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// const basic_regex<charT, traits>& e,
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// regex_constants::match_flag_type flags = regex_constants::match_default);
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#include <regex>
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#include <cassert>
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#include "../../iterators.h"
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int main()
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{
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{
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std::cmatch m;
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const char s[] = "tournament";
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assert(std::regex_match(s, m, std::regex("tour\nto\ntournament",
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std::regex_constants::egrep)));
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assert(m.size() == 1);
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assert(!m.prefix().matched);
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assert(m.prefix().first == s);
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assert(m.prefix().second == m[0].first);
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assert(!m.suffix().matched);
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assert(m.suffix().first == m[0].second);
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assert(m.suffix().second == s + std::char_traits<char>::length(s));
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assert(m.length(0) == 10);
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assert(m.position(0) == 0);
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assert(m.str(0) == "tournament");
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}
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{
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std::cmatch m;
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const char s[] = "ment";
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assert(!std::regex_match(s, m, std::regex("tour\n\ntournament",
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std::regex_constants::egrep)));
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assert(m.size() == 0);
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}
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{
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std::cmatch m;
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const char s[] = "tournament";
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assert(std::regex_match(s, m, std::regex("(tour|to|tournament)+\ntourna",
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std::regex_constants::egrep)));
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assert(m.size() == 2);
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assert(!m.prefix().matched);
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assert(m.prefix().first == s);
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assert(m.prefix().second == m[0].first);
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assert(!m.suffix().matched);
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assert(m.suffix().first == m[0].second);
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assert(m.suffix().second == s + std::char_traits<char>::length(s));
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assert(m.length(0) == 10);
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assert(m.position(0) == 0);
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assert(m.str(0) == "tournament");
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}
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{
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std::cmatch m;
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const char s[] = "tourna";
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assert(std::regex_match(s, m, std::regex("(tour|to|tournament)+\ntourna",
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std::regex_constants::egrep)));
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assert(m.size() == 2);
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assert(!m.prefix().matched);
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assert(m.prefix().first == s);
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assert(m.prefix().second == m[0].first);
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assert(!m.suffix().matched);
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assert(m.suffix().first == m[0].second);
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assert(m.suffix().second == s + std::char_traits<char>::length(s));
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assert(m.length(0) == 6);
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assert(m.position(0) == 0);
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assert(m.str(0) == "tourna");
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}
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}
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