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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef TEST_SUPPORT_TEST_EXECUTION_POLICIES
#define TEST_SUPPORT_TEST_EXECUTION_POLICIES
#include <cstdlib>
#include <exception>
#include <execution>
#include <type_traits>
#include <utility>
#include "test_macros.h"
#define EXECUTION_POLICY_SFINAE_TEST(function) \
template <class, class...> \
struct sfinae_test_##function##_impl : std::true_type {}; \
\
template <class... Args> \
struct sfinae_test_##function##_impl<std::void_t<decltype(std::function(std::declval<Args>()...))>, Args...> \
: std::false_type {}; \
\
template <class... Args> \
constexpr bool sfinae_test_##function = sfinae_test_##function##_impl<void, Args...>::value;
template <class Functor>
bool test_execution_policies(Functor func) {
func(std::execution::seq);
#if TEST_STD_VER >= 20
func(std::execution::unseq);
#endif
func(std::execution::par);
func(std::execution::par_unseq);
return true;
}
template <template <class Iter> class TestClass>
struct TestIteratorWithPolicies {
template <class Iter>
void operator()() {
test_execution_policies(TestClass<Iter>{});
}
};
struct Bool {
bool b_;
Bool() = default;
Bool(bool b) : b_(b) {}
operator bool&() {
return b_;
}
};
#endif // TEST_SUPPORT_TEST_EXECUTION_POLICIES
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