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 // difference_type length() 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 assert(sm.length() == 0); 26 const CharT s[] = {'1', '2', '3', 0}; 27 sm.first = s; 28 sm.second = s + 3; 29 sm.matched = true; 30 assert(sm.length() == 3); 31 } 32 { 33 typedef wchar_t CharT; 34 typedef std::sub_match<const CharT*> SM; 35 SM sm = SM(); 36 assert(sm.length() == 0); 37 const CharT s[] = {'1', '2', '3', 0}; 38 sm.first = s; 39 sm.second = s + 3; 40 sm.matched = true; 41 assert(sm.length() == 3); 42 } 43 44 return 0; 45 } 46