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// <exception>
10
11// class nested_exception;
12
13// nested_exception(const nested_exception&) throw() = default;
14
15#include <exception>
16#include <cassert>
17
18#include "test_macros.h"
19
20class A
21{
22 int data_;
23public:
24 explicit A(int data) : data_(data) {}
25
26 friend bool operator==(const A& x, const A& y) {return x.data_ == y.data_;}
27};
28
29int main(int, char**)
30{
31 {
32 std::nested_exception e0;
33 std::nested_exception e = e0;
34 assert(e.nested_ptr() == nullptr);
35 }
36#ifndef TEST_HAS_NO_EXCEPTIONS
37 {
38 try
39 {
40 throw A(2);
41 assert(false);
42 }
43 catch (const A&)
44 {
45 std::nested_exception e0;
46 std::nested_exception e = e0;
47 assert(e.nested_ptr() != nullptr);
48 try
49 {
50 std::rethrow_exception(e.nested_ptr());
51 assert(false);
52 }
53 catch (const A& a)
54 {
55 assert(a == A(2));
56 }
57 }
58 }
59#endif
60
61 return 0;
62}
63

source code of libcxx/test/std/language.support/support.exception/except.nested/ctor_copy.pass.cpp