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Differential D143161 Diff 500797 libcxx/test/std/algorithms/alg.nonmodifying/alg.none_of/pstl.none_of.pass.cpp

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libcxx/test/std/algorithms/alg.nonmodifying/alg.none_of/pstl.none_of.pass.cpp

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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
				//
				//===----------------------------------------------------------------------===//

				// REQUIRES: with-pstl

				// <algorithm>

				// template<class ExecutionPolicy, class ForwardIterator, class Predicate>
				// bool any_of(ExecutionPolicy&& exec, ForwardIterator first, ForwardIterator last,
				// Predicate pred);

				#include <algorithm>
				#include <cassert>

				#include "test_macros.h"
				#include "test_execution_policies.h"

				struct Test {
				template <class Policy>
				void operator()(Policy&& policy) {
				int a[] = {1, 2, 3, 4, 5, 6, 7, 8};
				// simple test
				assert(std::none_of(policy, std::begin(a), std::end(a), [](int i) { return i > 9; }));
				assert(!std::none_of(policy, std::begin(a), std::end(a), [](int i) { return i >= 8; }));

				// check that an empty range works
				assert(std::none_of(policy, std::begin(a), std::begin(a), [](int) { return false; }));

				// check that true is returned if no element satisfies the condition
				assert(std::none_of(policy, std::begin(a), std::end(a), [](int i) { return i == 9; }));

				// check that false is returned if only one elements satisfies the condition
				assert(!std::none_of(policy, std::begin(a), std::end(a), [](int i) { return i == 1; }));
				}
				};

				int main(int, char**) {
				test_execution_policies(Test{});

				#ifndef TEST_HAS_NO_EXCEPTIONS
				std::set_terminate(terminate_successful);
				int a[] = {1, 2};
				(void)std::none_of(std::execution::par, std::begin(a), std::end(a), [](int i) -> bool { throw i; });
				assert(false);
				#endif

				return 0;
				}