Retro68/gcc/libstdc++-v3/testsuite/20_util/bind/ref.cc

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// { dg-do run { target c++11 } }
// Copyright (C) 2009-2017 Free Software Foundation, Inc.
2012-03-27 23:13:14 +00:00
//
// 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/>.
// 20.7.11 Function template bind
#include <functional>
#include <testsuite_hooks.h>
struct X
{
X() : bar(17) {}
int foo(int x, int y) { return bar + x + y; }
int bar;
private:
X(const X&);
X& operator=(const X&);
};
// Operations on empty function<> objects
void test01()
{
using std::bind;
using std::ref;
::X x;
VERIFY( bind(&::X::foo, ref(x), 1, 2)() == 20 );
VERIFY( bind<int>(&::X::foo, ref(x), 1, 2)() == 20 );
VERIFY( bind(&::X::bar, ref(x))() == 17 );
VERIFY( bind<int>(&::X::bar, ref(x))() == 17 );
}
int main()
{
test01();
return 0;
}