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 // <functional>
10 
11 // bit_and
12 
13 #include <functional>
14 #include <type_traits>
15 #include <cassert>
16 
17 #include "test_macros.h"
18 
19 int main(int, char**)
20 {
21     typedef std::bit_and<int> F;
22     const F f = F();
23     static_assert((std::is_same<int, F::first_argument_type>::value), "" );
24     static_assert((std::is_same<int, F::second_argument_type>::value), "" );
25     static_assert((std::is_same<int, F::result_type>::value), "" );
26     assert(f(0xEA95, 0xEA95) == 0xEA95);
27     assert(f(0xEA95, 0x58D3) == 0x4891);
28     assert(f(0x58D3, 0xEA95) == 0x4891);
29     assert(f(0x58D3, 0) == 0);
30     assert(f(0xFFFF, 0x58D3) == 0x58D3);
31 #if TEST_STD_VER > 11
32     typedef std::bit_and<> F2;
33     const F2 f2 = F2();
34     assert(f2(0xEA95, 0xEA95) == 0xEA95);
35     assert(f2(0xEA95L, 0xEA95) == 0xEA95);
36     assert(f2(0xEA95, 0xEA95L) == 0xEA95);
37 
38     assert(f2(0xEA95, 0x58D3) == 0x4891);
39     assert(f2(0xEA95L, 0x58D3) == 0x4891);
40     assert(f2(0xEA95, 0x58D3L) == 0x4891);
41 
42     assert(f2(0x58D3, 0xEA95) == 0x4891);
43     assert(f2(0x58D3L, 0xEA95) == 0x4891);
44     assert(f2(0x58D3, 0xEA95L) == 0x4891);
45 
46     assert(f2(0x58D3, 0) == 0);
47     assert(f2(0x58D3L, 0) == 0);
48     assert(f2(0x58D3, 0L) == 0);
49 
50     assert(f2(0xFFFF, 0x58D3) == 0x58D3);
51     assert(f2(0xFFFFL, 0x58D3) == 0x58D3);
52     assert(f2(0xFFFF, 0x58D3L) == 0x58D3);
53 
54     constexpr int foo = std::bit_and<int> () (0x58D3, 0xEA95);
55     static_assert ( foo == 0x4891, "" );
56 
57     constexpr int bar = std::bit_and<> () (0x58D3L, 0xEA95);
58     static_assert ( bar == 0x4891, "" );
59 #endif
60 
61   return 0;
62 }
63