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