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 // <system_error>
10 
11 // class error_code
12 
13 // void clear();
14 
15 #include <system_error>
16 #include <cassert>
17 
18 int main(int, char**)
19 {
20     {
21         std::error_code ec;
22         ec.assign(6, std::generic_category());
23         assert(ec.value() == 6);
24         assert(ec.category() == std::generic_category());
25         ec.clear();
26         assert(ec.value() == 0);
27         assert(ec.category() == std::system_category());
28     }
29 
30   return 0;
31 }
32