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// <exception>
11
12// void rethrow_exception [[noreturn]] (exception_ptr p);
13
14#include <exception>
15#include <cassert>
16
17#include "test_macros.h"
18
19struct A
20{
21 static int constructed;
22 int data_;
23
24 A(int data = 0) : data_(data) {++constructed;}
25 ~A() {--constructed;}
26 A(const A& a) : data_(a.data_) {++constructed;}
27};
28
29int A::constructed = 0;
30
31int main(int, char**)
32{
33 {
34 std::exception_ptr p;
35 try
36 {
37 throw A(3);
38 }
39 catch (...)
40 {
41 p = std::current_exception();
42 }
43 try
44 {
45 std::rethrow_exception(p);
46 assert(false);
47 }
48 catch (const A& a)
49 {
50#ifndef TEST_ABI_MICROSOFT
51 assert(A::constructed == 1);
52#else
53 // On Windows the exception_ptr copies the exception
54 assert(A::constructed == 2);
55#endif
56 assert(p != nullptr);
57 p = nullptr;
58 assert(p == nullptr);
59 assert(a.data_ == 3);
60 assert(A::constructed == 1);
61 }
62 assert(A::constructed == 0);
63 }
64 assert(A::constructed == 0);
65
66 return 0;
67}
68

source code of libcxx/test/std/language.support/support.exception/propagation/rethrow_exception.pass.cpp