xref: /aosp_15_r20/external/cronet/third_party/libc++/src/test/libcxx/utilities/expol/policies.compile.pass.cpp (revision 6777b5387eb2ff775bb5750e3f5d96f37fb7352b)
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 // Make sure we don't allow copying the execution policies in any way to avoid users relying on it.
10 
11 // UNSUPPORTED: c++03, c++11, c++14
12 
13 // UNSUPPORTED: libcpp-has-no-incomplete-pstl
14 
15 #include <execution>
16 #include <type_traits>
17 
18 #include "test_macros.h"
19 
20 static_assert(!std::is_default_constructible_v<std::execution::sequenced_policy>);
21 static_assert(!std::is_copy_constructible_v<std::execution::sequenced_policy>);
22 static_assert(!std::is_move_constructible_v<std::execution::sequenced_policy>);
23 static_assert(!std::is_copy_assignable_v<std::execution::sequenced_policy>);
24 static_assert(!std::is_move_assignable_v<std::execution::sequenced_policy>);
25 
26 static_assert(!std::is_default_constructible_v<std::execution::parallel_policy>);
27 static_assert(!std::is_copy_constructible_v<std::execution::parallel_policy>);
28 static_assert(!std::is_move_constructible_v<std::execution::parallel_policy>);
29 static_assert(!std::is_copy_assignable_v<std::execution::parallel_policy>);
30 static_assert(!std::is_move_assignable_v<std::execution::parallel_policy>);
31 
32 static_assert(!std::is_default_constructible_v<std::execution::parallel_unsequenced_policy>);
33 static_assert(!std::is_copy_constructible_v<std::execution::parallel_unsequenced_policy>);
34 static_assert(!std::is_move_constructible_v<std::execution::parallel_unsequenced_policy>);
35 static_assert(!std::is_copy_assignable_v<std::execution::parallel_unsequenced_policy>);
36 static_assert(!std::is_move_assignable_v<std::execution::parallel_unsequenced_policy>);
37 
38 #if TEST_STD_VER >= 20
39 static_assert(!std::is_default_constructible_v<std::execution::unsequenced_policy>);
40 static_assert(!std::is_copy_constructible_v<std::execution::unsequenced_policy>);
41 static_assert(!std::is_move_constructible_v<std::execution::unsequenced_policy>);
42 static_assert(!std::is_copy_assignable_v<std::execution::unsequenced_policy>);
43 static_assert(!std::is_move_assignable_v<std::execution::unsequenced_policy>);
44 #endif
45