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>
11
12// typedef unspecified exception_ptr;
13
14// exception_ptr shall satisfy the requirements of NullablePointer.
15
16#include <exception>
17#include <cassert>
18
19int main()
20{
21    std::exception_ptr p;
22    assert(p == nullptr);
23    std::exception_ptr p2 = p;
24    assert(nullptr == p);
25    assert(!p);
26    assert(p2 == p);
27    p2 = p;
28    assert(p2 == p);
29    assert(p2 == nullptr);
30    std::exception_ptr p3 = nullptr;
31    assert(p3 == nullptr);
32    p3 = nullptr;
33    assert(p3 == nullptr);
34}
35