1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <regex> 11 12 // template <class BidirectionalIterator> class sub_match; 13 14 // difference_type length() const; 15 16 #include <regex> 17 #include <cassert> 18 #include "test_macros.h" 19 20 int main() 21 { 22 { 23 typedef char CharT; 24 typedef std::sub_match<const CharT*> SM; 25 SM sm = SM(); 26 assert(sm.length() == 0); 27 const CharT s[] = {'1', '2', '3', 0}; 28 sm.first = s; 29 sm.second = s + 3; 30 sm.matched = true; 31 assert(sm.length() == 3); 32 } 33 { 34 typedef wchar_t CharT; 35 typedef std::sub_match<const CharT*> SM; 36 SM sm = SM(); 37 assert(sm.length() == 0); 38 const CharT s[] = {'1', '2', '3', 0}; 39 sm.first = s; 40 sm.second = s + 3; 41 sm.matched = true; 42 assert(sm.length() == 3); 43 } 44 } 45