Retro68/gcc/libstdc++-v3/testsuite/20_util/tuple/moveable.cc
2017-04-10 13:32:00 +02:00

43 lines
1.4 KiB
C++

// { dg-options "-std=gnu++11" }
// Copyright (C) 2007-2016 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 tuple. If the implementation changed
// this test may begin to fail.
#include <tuple>
#include <utility>
#include <testsuite_hooks.h>
int main()
{
bool test __attribute__((unused)) = true;
std::tuple<int, double> a(1, 2.0), b;
b = std::move(a);
VERIFY( std::get<0>(b) == 1 && std::get<1>(b) == 2.0 );
VERIFY( std::get<0>(a) == 1 && std::get<1>(a) == 2.0 );
std::tuple<int, double> c(std::move(b));
VERIFY( std::get<0>(c) == 1 && std::get<1>(c) == 2.0 );
VERIFY( std::get<0>(b) == 1 && std::get<1>(b) == 2.0 );
return 0;
}