gcc/libstdc++-v3/testsuite/28_regex/traits/char/length.cc

// { dg-do run { target c++11 } }
// { dg-timeout-factor 2 }

//
// 2010-02-17  Stephen M. Webb <stephen.webb@bregmasoft.ca>
//
// Copyright (C) 2010-2022 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library.  This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3.  If not see
// <http://www.gnu.org/licenses/>.

// 28.3 Requirements [re.req]
// 28.2 (4) Table 127 - Regular expression traits class requirements
// 28.7 Class template regex_traits [re.traits]
// 28.7 (3) static std::size_t length(const char_type* p);

#include <regex>
#include <testsuite_hooks.h>

void
test01()
{
  typedef char CharT;
  typedef std::regex_traits<CharT> traits;
  const CharT* p = "";

  std::size_t i = traits::length(p);

  VERIFY( i == 0 );
}

int main()
{
  test01();
  return 0;
}