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 // UNSUPPORTED: libcpp-no-exceptions
10 // XFAIL: libcpp-no-exceptions
11 
12 // std::uncaught_exceptions() was introduced in the dylib on Mac OS 10.12
13 // XFAIL: with_system_cxx_lib=macosx10.11
14 // XFAIL: with_system_cxx_lib=macosx10.10
15 // XFAIL: with_system_cxx_lib=macosx10.9
16 
17 // However, std::uncaught_exceptions() gives the wrong answer in Mac OS 10.12
18 // and 10.13, where it only gives 0 or 1. This was fixed later.
19 // XFAIL: with_system_cxx_lib=macosx10.13
20 // XFAIL: with_system_cxx_lib=macosx10.12
21 
22 // test uncaught_exceptions
23 
24 #include <exception>
25 #include <cassert>
26 
27 #include "test_macros.h"
28 
29 struct Uncaught {
30     Uncaught(int depth) : d_(depth) {}
31     ~Uncaught() { assert(std::uncaught_exceptions() == d_); }
32     int d_;
33     };
34 
35 struct Outer {
36     Outer(int depth) : d_(depth) {}
37     ~Outer() {
38     try {
39         assert(std::uncaught_exceptions() == d_);
40         Uncaught u(d_+1);
41         throw 2;
42     }
43     catch (int) {}
44     }
45     int d_;
46 };
47 
48 int main(int, char**) {
49     assert(std::uncaught_exceptions() == 0);
50     {
51     Outer o(0);
52     }
53 
54     assert(std::uncaught_exceptions() == 0);
55     {
56     try {
57         Outer o(1);
58         throw 1;
59         }
60     catch (int) {
61         assert(std::uncaught_exceptions() == 0);
62         }
63     }
64     assert(std::uncaught_exceptions() == 0);
65 
66   return 0;
67 }
68