external/bsd/libc++/dist/libcxx/test/re/re.traits/length.pass.cpp

   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 }