52 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// template <class BidirectionalIterator> class sub_match;12 13// operator string_type() const;14 15#include <regex>16#include <cassert>17#include "test_macros.h"18 19int main(int, char**)20{21 {22 typedef char CharT;23 typedef std::sub_match<const CharT*> SM;24 SM sm = SM();25 SM::string_type str = sm;26 assert(str.empty());27 const CharT s[] = {'1', '2', '3', 0};28 sm.first = s;29 sm.second = s + 3;30 sm.matched = true;31 str = sm;32 assert(str == std::string("123"));33 }34#ifndef TEST_HAS_NO_WIDE_CHARACTERS35 {36 typedef wchar_t CharT;37 typedef std::sub_match<const CharT*> SM;38 SM sm = SM();39 SM::string_type str = sm;40 assert(str.empty());41 const CharT s[] = {'1', '2', '3', 0};42 sm.first = s;43 sm.second = s + 3;44 sm.matched = true;45 str = sm;46 assert(str == std::wstring(L"123"));47 }48#endif49 50 return 0;51}52