blob: de20e3bbdc7e45be8b6584c06f74199599fc3e03 [file] [log] [blame]
// { dg-options "-fno-rtti" }
// { dg-do run { target c++11 } }
// Copyright (C) 2020-2022 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>
using std::function;
long f() { return 1; }
struct F { long operator()() { return 2; } };
void test01()
{
std::function<int()> fun = f;
long (**tgt1)() = fun.target<long(*)()>();
VERIFY( *tgt1 == f );
VERIFY( (*tgt1)() == 1L );
VERIFY( fun.target<long(*)()>() == tgt1 );
VERIFY( fun.target<long(* const)()>() == tgt1 );
VERIFY( fun.target<F>() == nullptr );
VERIFY( fun.target<void>() == nullptr );
VERIFY( fun.target<int()>() == nullptr );
VERIFY( fun.target<long()>() == nullptr );
const F ff;
fun = ff;
F* tgt2 = fun.target<F>();
VERIFY( tgt2 != nullptr );
VERIFY( (*tgt2)() == 2L );
VERIFY( fun.target<const F>() == tgt2 );
VERIFY( fun.target<int(*)()>() == nullptr );
VERIFY( fun.target<void()>() == nullptr );
VERIFY( fun.target<void(*)()>() == nullptr );
}
int main()
{
test01();
}