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 | // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS |
10 | |
11 | // <functional> |
12 | |
13 | // logical_not |
14 | |
15 | #include <functional> |
16 | #include <type_traits> |
17 | #include <cassert> |
18 | |
19 | #include "test_macros.h" |
20 | |
21 | int main(int, char**) |
22 | { |
23 | typedef std::logical_not<int> F; |
24 | const F f = F(); |
25 | #if TEST_STD_VER <= 17 |
26 | static_assert((std::is_same<F::argument_type, int>::value), "" ); |
27 | static_assert((std::is_same<F::result_type, bool>::value), "" ); |
28 | #endif |
29 | assert(!f(36)); |
30 | assert(f(0)); |
31 | #if TEST_STD_VER > 11 |
32 | typedef std::logical_not<> F2; |
33 | const F2 f2 = F2(); |
34 | assert(!f2(36)); |
35 | assert( f2(0)); |
36 | assert(!f2(36L)); |
37 | assert( f2(0L)); |
38 | |
39 | constexpr bool foo = std::logical_not<int> () (36); |
40 | static_assert ( !foo, "" ); |
41 | |
42 | constexpr bool bar = std::logical_not<> () (36); |
43 | static_assert ( !bar, "" ); |
44 | #endif |
45 | |
46 | return 0; |
47 | } |
48 | |