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 // <memory>
10 
11 // class bad_weak_ptr
12 //     : public std::exception
13 // {
14 // public:
15 //     bad_weak_ptr();
16 // };
17 
18 #include <memory>
19 #include <type_traits>
20 #include <cassert>
21 #include <cstring>
22 
23 #include "test_macros.h"
24 
main(int,char **)25 int main(int, char**)
26 {
27     static_assert((std::is_base_of<std::exception, std::bad_weak_ptr>::value), "");
28     std::bad_weak_ptr e;
29     std::bad_weak_ptr e2 = e;
30     e2 = e;
31     assert(std::strcmp(e.what(), "bad_weak_ptr") == 0);
32 
33   return 0;
34 }
35