1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // test get_unexpected 11 12 #include <exception> 13 #include <cassert> 14 #include <cstdlib> 15 f1()16void f1() {} f2()17void f2() {} 18 f3()19void f3() 20 { 21 std::exit(0); 22 } 23 main()24int main() 25 { 26 27 std::unexpected_handler old = std::get_unexpected(); 28 // verify there is a previous unexpected handler 29 assert(old); 30 std::set_unexpected(f1); 31 assert(std::get_unexpected() == f1); 32 // verify f1 was replace with f2 33 std::set_unexpected(f2); 34 assert(std::get_unexpected() == f2); 35 // verify calling original unexpected handler calls terminate 36 std::set_terminate(f3); 37 (*old)(); 38 assert(0); 39 } 40