1// -*- C++ -*- 2//===----------------------------------------------------------------------===// 3// 4// The LLVM Compiler Infrastructure 5// 6// This file is dual licensed under the MIT and the University of Illinois Open 7// Source Licenses. See LICENSE.TXT for details. 8// 9//===----------------------------------------------------------------------===// 10 11// <regex> 12 13// template <class charT> struct regex_traits; 14 15// static std::size_t length(const char_type* p); 16 17#include <regex> 18#include <cassert> 19 20int main() 21{ 22 assert(std::regex_traits<char>::length("") == 0); 23 assert(std::regex_traits<char>::length("1") == 1); 24 assert(std::regex_traits<char>::length("12") == 2); 25 assert(std::regex_traits<char>::length("123") == 3); 26 27 assert(std::regex_traits<wchar_t>::length(L"") == 0); 28 assert(std::regex_traits<wchar_t>::length(L"1") == 1); 29 assert(std::regex_traits<wchar_t>::length(L"12") == 2); 30 assert(std::regex_traits<wchar_t>::length(L"123") == 3); 31} 32