1 // Copyright (C) 2019-2021 Free Software Foundation, Inc.
2 //
3 // This file is part of the GNU ISO C++ Library.  This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
7 // any later version.
8 
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 // GNU General Public License for more details.
13 
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3.  If not see
16 // <http://www.gnu.org/licenses/>.
17 
18 // { dg-options "-std=gnu++11" }
19 // { dg-do run { target c++11 } }
20 
21 #include <exception>
22 #include <testsuite_hooks.h>
23 
term_handler()24 void term_handler() { __builtin_abort(); }
25 
26 void
test01()27 test01()
28 {
29   const std::terminate_handler orig = std::get_terminate();
30   VERIFY( orig != 0 ); // GNU-specific behaviour
31 
32   std::terminate_handler prev = std::set_terminate(term_handler);
33   VERIFY( std::get_terminate() == term_handler );
34   VERIFY( prev == orig );
35 
36   prev = std::set_terminate(orig);
37   VERIFY( std::get_terminate() == orig );
38   VERIFY( prev == term_handler );
39 }
40 
41 void
test02()42 test02()
43 {
44   // PR libstdc++/90682
45   std::set_terminate(0); // Undefined in C++98, unspecified in C++11 and later
46   const std::terminate_handler dfault = std::get_terminate();
47   VERIFY( dfault != 0 ); // GNU-specific behaviour
48   const std::terminate_handler prev = std::set_terminate(0);
49   VERIFY( prev == dfault );
50 }
51 
52 int
main()53 main()
54 {
55   test01();
56   test02();
57 }
58