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 // exception_ptr has not been implemented on Windows
11 // XFAIL: LIBCXX-WINDOWS-FIXME
12 
13 // UNSUPPORTED: libcpp-no-exceptions
14 // <exception>
15 
16 // class nested_exception;
17 
18 // void rethrow_nested [[noreturn]] () const;
19 
20 #include <exception>
21 #include <cstdlib>
22 #include <cassert>
23 
24 class A
25 {
26     int data_;
27 public:
28     explicit A(int data) : data_(data) {}
29 
30     friend bool operator==(const A& x, const A& y) {return x.data_ == y.data_;}
31 };
32 
33 void go_quietly()
34 {
35     std::exit(0);
36 }
37 
38 int main()
39 {
40     {
41         try
42         {
43             throw A(2);
44             assert(false);
45         }
46         catch (const A&)
47         {
48             const std::nested_exception e;
49             assert(e.nested_ptr() != nullptr);
50             try
51             {
52                 e.rethrow_nested();
53                 assert(false);
54             }
55             catch (const A& a)
56             {
57                 assert(a == A(2));
58             }
59         }
60     }
61     {
62         try
63         {
64             std::set_terminate(go_quietly);
65             const std::nested_exception e;
66             e.rethrow_nested();
67             assert(false);
68         }
69         catch (...)
70         {
71             assert(false);
72         }
73     }
74 }
75