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// { dg-do run { target c++11 } }
// Copyright (C) 2012-2023 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/>.
#include <functional>
#include <testsuite_hooks.h>
struct Counter
{
Counter() = default;
Counter(const Counter&) { ++count; }
static int count;
};
int Counter::count = 0;
struct X
{
int func(Counter, int i) { return i; }
char func_c(Counter, char c) const { return c; }
short func_v(Counter, short s) volatile { return s; }
double func_cv(Counter, double d) const volatile { return d; }
};
void test01()
{
Counter c;
X x;
std::mem_fn( &X::func )( x, c, 0 );
VERIFY( Counter::count == 1 );
std::mem_fn( &X::func_c )( x, c, 0 );
VERIFY( Counter::count == 2 );
std::mem_fn( &X::func_v )( x, c, 0 );
VERIFY( Counter::count == 3 );
std::mem_fn( &X::func_cv )( x, c, 0 );
VERIFY( Counter::count == 4 );
}
int main()
{
test01();
}
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