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: no-exceptions
10// test uncaught_exception
11
12#include <exception>
13#include <cassert>
14
15#include "test_macros.h"
16
17struct A
18{
19 ~A()
20 {
21 assert(std::uncaught_exception());
22 }
23};
24
25struct B
26{
27 B()
28 {
29 // http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#475
30 assert(!std::uncaught_exception());
31 }
32};
33
34int main(int, char**)
35{
36 try
37 {
38 A a;
39 assert(!std::uncaught_exception());
40 throw B();
41 }
42 catch (...)
43 {
44 assert(!std::uncaught_exception());
45 }
46 assert(!std::uncaught_exception());
47
48 return 0;
49}
50

source code of libcxx/test/std/language.support/support.exception/uncaught/uncaught_exception.pass.cpp