1 //===----------------------------------------------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // <system_error>
11 
12 // class error_category
13 
14 // bool operator!=(const error_category& rhs) const;
15 
16 #include <system_error>
17 #include <cassert>
18 
main()19 int main()
20 {
21     const std::error_category& e_cat1 = std::generic_category();
22     const std::error_category& e_cat2 = std::generic_category();
23     const std::error_category& e_cat3 = std::system_category();
24     assert(!(e_cat1 != e_cat2));
25     assert(e_cat1 != e_cat3);
26 }
27