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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 28_regex / basic_regex / assign / char / string.cc

// { dg-do run { target c++11 } }

// 2007-03-12  Stephen M. Webb  <stephen.webb@bregmasoft.com>
//
// Copyright (C) 2010-2020 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/>.

// [28.8.3] class template basic_regex assign()

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

// Tests C++ string assignment of the basic_regex class.  
void test01()
{
  typedef std::basic_regex<char> test_type;

  std::string s("a*b");
  test_type re;
  re.assign(s);
}

// libstdc++/64584
void test02()
{
  std::regex re("", std::regex_constants::extended);
  auto flags = re.flags();
  try
    {
      re.assign("(", std::regex_constants::icase);
      VERIFY(false);
    }
  catch (const std::regex_error& e)
    {
      VERIFY(flags == re.flags());
    }
}

int
main()
{ 
  test01();
  test02();
  return 0;
}