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 // UNSUPPORTED: c++03, c++11
10 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
11 
12 // <functional>
13 
14 // bit_not
15 
16 #include <functional>
17 #include <type_traits>
18 #include <cassert>
19 
20 #include "test_macros.h"
21 
22 int main(int, char**)
23 {
24     typedef std::bit_not<int> F;
25     const F f = F();
26 #if TEST_STD_VER <= 17
27     static_assert((std::is_same<F::argument_type, int>::value), "" );
28     static_assert((std::is_same<F::result_type, int>::value), "" );
29 #endif
30     assert((f(0xEA95) & 0xFFFF ) == 0x156A);
31     assert((f(0x58D3) & 0xFFFF ) == 0xA72C);
32     assert((f(0)      & 0xFFFF ) == 0xFFFF);
33     assert((f(0xFFFF) & 0xFFFF ) == 0);
34 
35     typedef std::bit_not<> F2;
36     const F2 f2 = F2();
37     assert((f2(0xEA95)  & 0xFFFF ) == 0x156A);
38     assert((f2(0xEA95L) & 0xFFFF ) == 0x156A);
39     assert((f2(0x58D3)  & 0xFFFF ) == 0xA72C);
40     assert((f2(0x58D3L) & 0xFFFF ) == 0xA72C);
41     assert((f2(0)       & 0xFFFF ) == 0xFFFF);
42     assert((f2(0L)      & 0xFFFF ) == 0xFFFF);
43     assert((f2(0xFFFF)  & 0xFFFF ) == 0);
44     assert((f2(0xFFFFL)  & 0xFFFF ) == 0);
45 
46     constexpr int foo = std::bit_not<int> () (0xEA95) & 0xFFFF;
47     static_assert ( foo == 0x156A, "" );
48 
49     constexpr int bar = std::bit_not<> () (0xEA95) & 0xFFFF;
50     static_assert ( bar == 0x156A, "" );
51 
52   return 0;
53 }
54