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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // REQUIRES: c++03 || c++11 || c++14 10 11 // test get_unexpected 12 13 #include <exception> 14 #include <cassert> 15 #include <cstdlib> 16 17 #include "test_macros.h" 18 f1()19void f1() {} f2()20void f2() {} 21 f3()22void f3() 23 { 24 std::exit(0); 25 } 26 main(int,char **)27int main(int, char**) 28 { 29 30 std::unexpected_handler old = std::get_unexpected(); 31 // verify there is a previous unexpected handler 32 assert(old); 33 std::set_unexpected(f1); 34 assert(std::get_unexpected() == f1); 35 // verify f1 was replace with f2 36 std::set_unexpected(f2); 37 assert(std::get_unexpected() == f2); 38 // verify calling original unexpected handler calls terminate 39 std::set_terminate(f3); 40 (*old)(); 41 assert(0); 42 43 return 0; 44 } 45