45 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// test get_unexpected10 11// ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_ENABLE_CXX17_REMOVED_UNEXPECTED_FUNCTIONS12 13#include <exception>14#include <cassert>15#include <cstdlib>16 17#include "test_macros.h"18 19void f1() {}20void f2() {}21 22void f3()23{24 std::exit(0);25}26 27int main(int, char**)28{29 30 std::unexpected_handler old = std::get_unexpected();31 // verify there is a previous unexpected handler32 assert(old);33 std::set_unexpected(f1);34 assert(std::get_unexpected() == f1);35 // verify f1 was replace with f236 std::set_unexpected(f2);37 assert(std::get_unexpected() == f2);38 // verify calling original unexpected handler calls terminate39 std::set_terminate(f3);40 (*old)();41 assert(0);42 43 return 0;44}45