Page MenuHomePhabricator

Please use GitHub pull requests for new patches. Avoid migrating existing patches. Phabricator shutdown timeline

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

Changeset View

Standalone View

View Options

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

  • This file was added.
//===----------------------------------------------------------------------===//
//
// 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::all_of(policy, std::begin(a), std::end(a), [](int i) { return i < 9; }));
assert(!std::all_of(policy, std::begin(a), std::end(a), [](int i) { return i < 8; }));
// check that an empty range works
assert(std::all_of(policy, std::begin(a), std::begin(a), [](int) { return false; }));
// check that false is returned if no element satisfies the condition
assert(!std::all_of(policy, std::begin(a), std::end(a), [](int i) { return i == 9; }));
ldionneUnsubmitted
Done
ReplyInline Actions

Let's test on a few sizes of sequences: 1-element, 2-elements, and more than e.g. 100 elements. Not to test the backend itself (which will require its own tests per our discussion), but to test the interaction between the "front-end" of the API and the backend.

ldionne: Let's test on a few sizes of sequences: 1-element, 2-elements, and more than e.g. 100 elements.
// check that false is returned if only one elements satisfies the condition
assert(!std::all_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::all_of(std::execution::par, std::begin(a), std::end(a), [](int i) -> bool { throw i; });
assert(false);
#endif
return 0;
}