42 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <regex>10 11// class match_results<BidirectionalIterator, Allocator>12 13// const_iterator cbegin() const;14// const_iterator cend() const;15 16#include <regex>17#include <cassert>18#include <cstddef>19#include "test_macros.h"20 21void22test()23{24 std::match_results<const char*> m;25 const char s[] = "abcdefghijk";26 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));27 28 std::match_results<const char*>::const_iterator i = m.cbegin();29 std::match_results<const char*>::const_iterator e = m.cend();30 31 assert(static_cast<std::size_t>(e - i) == m.size());32 for (int j = 0; i != e; ++i, ++j)33 assert(*i == m[j]);34}35 36int main(int, char**)37{38 test();39 40 return 0;41}42