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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 // <functional>
     11 
     12 // bit_xor
     13 
     14 #include <functional>
     15 #include <type_traits>
     16 #include <cassert>
     17 
     18 #include "test_macros.h"
     19 
     20 int main()
     21 {
     22     {
     23     typedef std::bit_xor<int> F;
     24     const F f = F();
     25     static_assert((std::is_same<int, F::first_argument_type>::value), "" );
     26     static_assert((std::is_same<int, F::second_argument_type>::value), "" );
     27     static_assert((std::is_same<int, F::result_type>::value), "" );
     28     assert(f(0xEA95, 0xEA95) == 0);
     29     assert(f(0xEA95, 0x58D3) == 0xB246);
     30     assert(f(0x58D3, 0xEA95) == 0xB246);
     31     assert(f(0x58D3, 0) == 0x58D3);
     32     assert(f(0xFFFF, 0x58D3) == 0xA72C);
     33     }
     34 #if TEST_STD_VER > 11
     35     {
     36     typedef std::bit_xor<> F2;
     37     const F2 f = F2();
     38     assert(f(0xEA95, 0xEA95) == 0);
     39     assert(f(0xEA95L, 0xEA95) == 0);
     40     assert(f(0xEA95, 0xEA95L) == 0);
     41 
     42     assert(f(0xEA95, 0x58D3) == 0xB246);
     43     assert(f(0xEA95L, 0x58D3) == 0xB246);
     44     assert(f(0xEA95, 0x58D3L) == 0xB246);
     45 
     46     assert(f(0x58D3, 0xEA95) == 0xB246);
     47     assert(f(0x58D3L, 0xEA95) == 0xB246);
     48     assert(f(0x58D3, 0xEA95L) == 0xB246);
     49 
     50     assert(f(0x58D3, 0) == 0x58D3);
     51     assert(f(0x58D3L, 0) == 0x58D3);
     52     assert(f(0x58D3, 0L) == 0x58D3);
     53 
     54     assert(f(0xFFFF, 0x58D3) == 0xA72C);
     55     assert(f(0xFFFFL, 0x58D3) == 0xA72C);
     56     assert(f(0xFFFF, 0x58D3L) == 0xA72C);
     57 
     58     constexpr int foo = std::bit_xor<int> () (0x58D3, 0xEA95);
     59     static_assert ( foo == 0xB246, "" );
     60 
     61     constexpr int bar = std::bit_xor<> () (0x58D3L, 0xEA95);
     62     static_assert ( bar == 0xB246, "" );
     63     }
     64 #endif
     65 }
     66