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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // <regex> 10 11 // template <class BidirectionalIterator> class sub_match; 12 13 // string_type str() const; 14 15 #include <regex> 16 #include <cassert> 17 #include "test_macros.h" 18 main(int,char **)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.str(); 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.str(); 32 assert(str == std::string("123")); 33 } 34 #ifndef TEST_HAS_NO_WIDE_CHARACTERS 35 { 36 typedef wchar_t CharT; 37 typedef std::sub_match<const CharT*> SM; 38 SM sm = SM(); 39 SM::string_type str = sm.str(); 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.str(); 46 assert(str == std::wstring(L"123")); 47 } 48 #endif 49 50 return 0; 51 } 52