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 20 int 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
