| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // class sequenced_policy; |
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| 10 | // class parallel_policy; |
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| 11 | // class parallel_unsequenced_policy; |
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| 12 | // class unsequenced_policy; // since C++20 |
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| 13 | // |
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| 14 | // inline constexpr sequenced_policy seq = implementation-defined; |
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| 15 | // inline constexpr parallel_policy par = implementation-defined; |
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| 16 | // inline constexpr parallel_unsequenced_policy par_unseq = implementation-defined; |
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| 17 | // inline constexpr unsequenced_policy unseq = implementation-defined; // since C++20 |
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| 18 | |
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| 19 | // UNSUPPORTED: c++03, c++11, c++14 |
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| 20 | |
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| 21 | // UNSUPPORTED: libcpp-has-no-incomplete-pstl |
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| 22 | |
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| 23 | #include <execution> |
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| 24 | #include <type_traits> |
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| 25 | |
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| 26 | #include "test_macros.h" |
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| 27 | |
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| 28 | template <class T> |
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| 29 | using remove_cvref_t = std::remove_cv_t<std::remove_reference_t<T>>; |
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| 30 | |
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| 31 | template <class T> |
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| 32 | TEST_NOINLINE void use(T&) {} |
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| 33 | |
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| 34 | static_assert(std::is_same_v<remove_cvref_t<decltype(std::execution::seq)>, std::execution::sequenced_policy>); |
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| 35 | static_assert(std::is_same_v<remove_cvref_t<decltype(std::execution::par)>, std::execution::parallel_policy>); |
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| 36 | static_assert( |
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| 37 | std::is_same_v<remove_cvref_t<decltype(std::execution::par_unseq)>, std::execution::parallel_unsequenced_policy>); |
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| 38 | |
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| 39 | #if TEST_STD_VER >= 20 |
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| 40 | static_assert(std::is_same_v<remove_cvref_t<decltype(std::execution::unseq)>, std::execution::unsequenced_policy>); |
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| 41 | #endif |
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| 42 | |
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| 43 | int main(int, char**) { |
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| 44 | use(std::execution::seq); |
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| 45 | use(std::execution::par); |
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| 46 | use(std::execution::par_unseq); |
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| 47 | #if TEST_STD_VER >= 20 |
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| 48 | use(std::execution::unseq); |
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| 49 | #endif |
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| 50 | |
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| 51 | return 0; |
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| 52 | } |
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| 53 | |
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