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      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 
     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