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_not
13 
14 #include <functional>
15 #include <type_traits>
16 #include <cassert>
17 
main()18 int main()
19 {
20 #if _LIBCPP_STD_VER > 11
21     typedef std::bit_not<int> F;
22     const F f = F();
23     static_assert((std::is_same<F::argument_type, int>::value), "" );
24     static_assert((std::is_same<F::result_type, int>::value), "" );
25     assert((f(0xEA95) & 0xFFFF ) == 0x156A);
26     assert((f(0x58D3) & 0xFFFF ) == 0xA72C);
27     assert((f(0)      & 0xFFFF ) == 0xFFFF);
28     assert((f(0xFFFF) & 0xFFFF ) == 0);
29 
30     typedef std::bit_not<> F2;
31     const F2 f2 = F2();
32     assert((f2(0xEA95)  & 0xFFFF ) == 0x156A);
33     assert((f2(0xEA95L) & 0xFFFF ) == 0x156A);
34     assert((f2(0x58D3)  & 0xFFFF ) == 0xA72C);
35     assert((f2(0x58D3L) & 0xFFFF ) == 0xA72C);
36     assert((f2(0)       & 0xFFFF ) == 0xFFFF);
37     assert((f2(0L)      & 0xFFFF ) == 0xFFFF);
38     assert((f2(0xFFFF)  & 0xFFFF ) == 0);
39     assert((f2(0xFFFFL)  & 0xFFFF ) == 0);
40 
41     constexpr int foo = std::bit_not<int> () (0xEA95) & 0xFFFF;
42     static_assert ( foo == 0x156A, "" );
43 
44     constexpr int bar = std::bit_not<> () (0xEA95) & 0xFFFF;
45     static_assert ( bar == 0x156A, "" );
46 #endif
47 }
48