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: c++03, c++11, c++14
10 
11 // Throwing bad_variant_access is supported starting in macosx10.13
12 // XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12}}
13 
14 // <variant>
15 
16 /*
17 
18  class bad_variant_access : public exception {
19 public:
20   bad_variant_access() noexcept;
21   virtual const char* what() const noexcept;
22 };
23 
24 */
25 
26 #include <cassert>
27 #include <exception>
28 #include <type_traits>
29 #include <variant>
30 
31 #include "test_macros.h"
32 
main(int,char **)33 int main(int, char**) {
34   static_assert(std::is_base_of<std::exception, std::bad_variant_access>::value,
35                 "");
36   static_assert(noexcept(std::bad_variant_access{}), "must be noexcept");
37   static_assert(noexcept(std::bad_variant_access{}.what()), "must be noexcept");
38   std::bad_variant_access ex;
39   assert(ex.what());
40 
41   return 0;
42 }
43