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[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 21_strings / basic_string / cons / wchar_t / moveable2.cc

// { dg-options "-std=gnu++11 -fno-inline" }
// { dg-require-string-conversions "" }

// Copyright (C) 2011-2015 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/>.

// NOTE: This makes use of the fact that we know how moveable
// is implemented on string (via swap). If the implementation changed
// this test may begin to fail.

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

class twstring : public std::basic_string<wchar_t>
{
public:
  twstring() : std::basic_string<wchar_t>() {}
  twstring(twstring&& s) : std::basic_string<wchar_t>(std::move(s)) {}
  twstring& operator=(twstring&&) = default;
};

void test01()
{
  bool test __attribute__((unused)) = true;

  twstring a, b;
  a.push_back(L'1');
  b = std::move(a);
  VERIFY( b.size() == 1 && b[0] == L'1' && a.size() == 0 );

  twstring c(std::move(b));
  VERIFY( c.size() == 1 && c[0] == L'1' );
  VERIFY( b.size() == 0 );
}

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