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_category
12 
13 // bool operator<(const error_category& rhs) const;
14 
15 #include <system_error>
16 #include <cassert>
17 
18 int main(int, char**)
19 {
20     const std::error_category& e_cat1 = std::generic_category();
21     const std::error_category& e_cat2 = std::generic_category();
22     const std::error_category& e_cat3 = std::system_category();
23     assert(!(e_cat1 < e_cat2) && !(e_cat2 < e_cat1));
24     assert((e_cat1 < e_cat3) || (e_cat3 < e_cat1));
25 
26   return 0;
27 }
28