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// Copyright (C) 2018 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/>.
// { dg-options "-std=gnu++17" }
// { dg-do run { target c++17 } }
#include <functional>
#include <testsuite_hooks.h>
struct N {
int operator()(int i) { if (i == 0) throw -1; return i; }
};
void
test01()
{
N n;
auto not_n = std::not_fn(n);
static_assert( !noexcept(not_n(1)) );
VERIFY(not_n(1) == 0);
int exception = 0;
try {
not_n(0);
}
catch (int e) {
exception = e;
}
VERIFY(exception == -1);
}
int
main()
{
test01();
}
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