libcxx/test/std/utilities/expol/is_execution_policy.compile.pass.cpp

   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 // template<class T> struct is_execution_policy;
  10 // template<class T> constexpr bool is_execution_policy_v = is_execution_policy<T>::value;
  11
  12 // UNSUPPORTED: c++03, c++11, c++14
  13
  14 // UNSUPPORTED: libcpp-has-no-incomplete-pstl
  15
  16 #include <execution>
  17
  18 #include "test_macros.h"
  19
  20 static_assert(std::is_execution_policy<std::execution::sequenced_policy>::value);
  21 static_assert(std::is_execution_policy_v<std::execution::sequenced_policy>);
  22 static_assert(std::is_execution_policy<std::execution::parallel_policy>::value);
  23 static_assert(std::is_execution_policy_v<std::execution::parallel_policy>);
  24 static_assert(std::is_execution_policy<std::execution::parallel_unsequenced_policy>::value);
  25 static_assert(std::is_execution_policy_v<std::execution::parallel_unsequenced_policy>);
  26
  27 #if TEST_STD_VER >= 20
  28 static_assert(std::is_execution_policy<std::execution::unsequenced_policy>::value);
  29 static_assert(std::is_execution_policy_v<std::execution::unsequenced_policy>);
  30 #endif