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, c++17
10
11 // <format>
12
13 // class format_error;
14
15 #include <format>
16 #include <type_traits>
17 #include <cstring>
18 #include <string>
19 #include <cassert>
20
21 #include "test_macros.h"
22
main(int,char **)23 int main(int, char**) {
24 static_assert(std::is_base_of_v<std::runtime_error, std::format_error>);
25 static_assert(std::is_polymorphic_v<std::format_error>);
26
27 {
28 const char* msg = "format_error message c-string";
29 std::format_error e(msg);
30 assert(std::strcmp(e.what(), msg) == 0);
31 std::format_error e2(e);
32 assert(std::strcmp(e2.what(), msg) == 0);
33 e2 = e;
34 assert(std::strcmp(e2.what(), msg) == 0);
35 }
36 {
37 std::string msg("format_error message std::string");
38 std::format_error e(msg);
39 assert(e.what() == msg);
40 std::format_error e2(e);
41 assert(e2.what() == msg);
42 e2 = e;
43 assert(e2.what() == msg);
44 }
45
46 return 0;
47 }
48