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_base_of<std::binary_function<int, int, int>, F>::value), "");
23 assert(f(0xEA95, 0xEA95) == 0xEA95);
24 assert(f(0xEA95, 0x58D3) == 0x4891);
25 assert(f(0x58D3, 0xEA95) == 0x4891);
26 assert(f(0x58D3, 0) == 0);
27 assert(f(0xFFFF, 0x58D3) == 0x58D3);
28 #if _LIBCPP_STD_VER > 11
29 typedef std::bit_and<> F2;
30 const F2 f2 = F2();
31 assert(f2(0xEA95, 0xEA95) == 0xEA95);
32 assert(f2(0xEA95L, 0xEA95) == 0xEA95);
33 assert(f2(0xEA95, 0xEA95L) == 0xEA95);
34
35 assert(f2(0xEA95, 0x58D3) == 0x4891);
36 assert(f2(0xEA95L, 0x58D3) == 0x4891);
37 assert(f2(0xEA95, 0x58D3L) == 0x4891);
38
39 assert(f2(0x58D3, 0xEA95) == 0x4891);
40 assert(f2(0x58D3L, 0xEA95) == 0x4891);
41 assert(f2(0x58D3, 0xEA95L) == 0x4891);
42
43 assert(f2(0x58D3, 0) == 0);
44 assert(f2(0x58D3L, 0) == 0);
45 assert(f2(0x58D3, 0L) == 0);
46
47 assert(f2(0xFFFF, 0x58D3) == 0x58D3);
48 assert(f2(0xFFFFL, 0x58D3) == 0x58D3);
49 assert(f2(0xFFFF, 0x58D3L) == 0x58D3);
50
51 constexpr int foo = std::bit_and<int> () (0x58D3, 0xEA95);
52 static_assert ( foo == 0x4891, "" );
53
54 constexpr int bar = std::bit_and<> () (0x58D3L, 0xEA95);
55 static_assert ( bar == 0x4891, "" );
56 #endif
57 }
58