1 //===----------------------------------------------------------------------===//
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
7 //===----------------------------------------------------------------------===//
9 // UNSUPPORTED: c++03, c++11, c++14
11 // UNSUPPORTED: libcpp-has-no-incomplete-pstl
15 // template<class ExecutionPolicy, class ForwardIterator, class Predicate>
16 // bool any_of(ExecutionPolicy&& exec, ForwardIterator first, ForwardIterator last,
23 #include "test_macros.h"
24 #include "test_execution_policies.h"
25 #include "test_iterators.h"
27 EXECUTION_POLICY_SFINAE_TEST(any_of
);
29 static_assert(sfinae_test_any_of
<int, int*, int*, bool (*)(int)>);
30 static_assert(!sfinae_test_any_of
<std::execution::parallel_policy
, int*, int*, bool (*)(int)>);
34 template <class Policy
>
35 void operator()(Policy
&& policy
) {
36 int a
[] = {1, 2, 3, 4, 5, 6, 7, 8};
38 assert(std::any_of(policy
, Iter(std::begin(a
)), Iter(std::end(a
)), [](int i
) { return i
< 9; }));
39 assert(!std::any_of(policy
, Iter(std::begin(a
)), Iter(std::end(a
)), [](int i
) { return i
> 8; }));
41 // check that an empty range works
42 assert(!std::any_of(policy
, Iter(std::begin(a
)), Iter(std::begin(a
)), [](int) { return false; }));
44 // check that false is returned if no element satisfies the condition
45 assert(!std::any_of(policy
, Iter(std::begin(a
)), Iter(std::end(a
)), [](int i
) { return i
== 9; }));
47 // check that true is returned if only one elements satisfies the condition
48 assert(std::any_of(policy
, Iter(std::begin(a
)), Iter(std::end(a
)), [](int i
) { return i
== 1; }));
50 // check that a one-element range works
51 assert(std::any_of(policy
, Iter(std::begin(a
)), Iter(std::begin(a
) + 1), [](int i
) { return i
== 1; }));
53 // check that a two-element range works
54 assert(std::any_of(policy
, Iter(std::begin(a
)), Iter(std::begin(a
) + 2), [](int i
) { return i
== 2; }));
56 // check that a large number of elements works
57 std::vector
<int> vec(100, 2);
59 assert(std::any_of(policy
, Iter(vec
.data()), Iter(vec
.data() + vec
.size()), [](int i
) { return i
== 3; }));
63 int main(int, char**) {
64 types::for_each(types::forward_iterator_list
<int*>{}, TestIteratorWithPolicies
<Test
>{});