// Copyright (C) 2019-2020 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(); }