xref: /llvm-project/libcxx/test/std/depr/exception.unexpected/set.unexpected/set_unexpected.pass.cpp (revision 7fc6a55688c816f5fc1a5481ae7af25be7500356)
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++98 || c++03 || c++11 || c++14
10 
11 // test set_unexpected
12 
13 #include <exception>
14 #include <cassert>
15 #include <cstdlib>
16 
17 #include "test_macros.h"
18 
19 void f1() {}
20 void f2() {}
21 
22 void f3()
23 {
24     std::exit(0);
25 }
26 
27 int main(int, char**)
28 {
29     std::unexpected_handler old = std::set_unexpected(f1);
30     // verify there is a previous unexpected handler
31     assert(old);
32     // verify f1 was replace with f2
33     assert(std::set_unexpected(f2) == f1);
34     // verify calling original unexpected handler calls terminate
35     std::set_terminate(f3);
36     (*old)();
37     assert(0);
38 
39   return 0;
40 }
41