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// Copyright (C) 2019 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++11" }
// { dg-do run { target { c++11_only || c++14_only } } }
#include <exception>
#include <testsuite_hooks.h>
void unex_handler() { __builtin_abort(); }
void
test01()
{
const std::unexpected_handler orig = std::get_unexpected();
VERIFY( orig == std::terminate ); // GNU-specific behaviour
std::unexpected_handler prev = std::set_unexpected(unex_handler);
VERIFY( std::get_unexpected() == unex_handler );
VERIFY( prev == orig );
prev = std::set_unexpected(orig);
VERIFY( std::get_unexpected() == orig );
VERIFY( prev == unex_handler );
}
void
test02()
{
// PR libstdc++/90682
std::set_unexpected(0); // Undefined in C++98, unspecified in C++11 and C++14
const std::unexpected_handler dfault = std::get_unexpected();
VERIFY( dfault == std::terminate ); // GNU-specific behaviour
const std::unexpected_handler prev = std::set_unexpected(0);
VERIFY( prev == dfault );
}
int
main()
{
test01();
test02();
}
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