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
main(int,char **)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