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