mirror of
https://github.com/llvm/llvm-project.git
synced 2025-04-28 13:56:08 +00:00
d2a46e6480
Reviewed By: #libc, ldionne Spies: ldionne, libcxx-commits Differential Revision: https://reviews.llvm.org/D155330
100 lines
3.4 KiB
C++
100 lines
3.4 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// UNSUPPORTED: c++03, c++11, c++14
|
|
|
|
// UNSUPPORTED: libcpp-has-no-incomplete-pstl
|
|
|
|
// <algorithm>
|
|
|
|
// template<class ExecutionPolicy, class ForwardIterator1, class ForwardIterator2>
|
|
// ForwardIterator2 move(ExecutionPolicy&& policy,
|
|
// ForwardIterator1 first, ForwardIterator1 last,
|
|
// ForwardIterator2 result);
|
|
|
|
#include <algorithm>
|
|
#include <vector>
|
|
|
|
#include "test_macros.h"
|
|
#include "test_execution_policies.h"
|
|
#include "test_iterators.h"
|
|
|
|
EXECUTION_POLICY_SFINAE_TEST(move);
|
|
|
|
static_assert(sfinae_test_move<int, int*, int*, int*>);
|
|
static_assert(!sfinae_test_move<std::execution::parallel_policy, int*, int*, int*>);
|
|
|
|
template <class Iter1, class Iter2>
|
|
struct TestInt {
|
|
template <class Policy>
|
|
void operator()(Policy&& policy) {
|
|
// simple test
|
|
for (const int size : {0, 1, 2, 100, 350}) {
|
|
std::vector<int> a(size);
|
|
for (int i = 0; i != size; ++i)
|
|
a[i] = i + 1;
|
|
|
|
std::vector<int> out(std::size(a));
|
|
decltype(auto) ret =
|
|
std::move(policy, Iter1(std::data(a)), Iter1(std::data(a) + std::size(a)), Iter2(std::data(out)));
|
|
static_assert(std::is_same_v<decltype(ret), Iter2>);
|
|
assert(base(ret) == std::data(out) + std::size(out));
|
|
for (int i = 0; i != size; ++i)
|
|
assert(out[i] == i + 1);
|
|
}
|
|
}
|
|
};
|
|
|
|
struct MovedToTester {
|
|
bool moved_to = false;
|
|
MovedToTester() = default;
|
|
MovedToTester(MovedToTester&&) {}
|
|
MovedToTester& operator=(MovedToTester&&) {
|
|
assert(!moved_to);
|
|
moved_to = true;
|
|
return *this;
|
|
}
|
|
~MovedToTester() = default;
|
|
};
|
|
|
|
template <class Iter1, class Iter2>
|
|
struct TestNonTrivial {
|
|
template <class Policy>
|
|
void operator()(Policy&& policy) {
|
|
// simple test
|
|
for (const int size : {0, 1, 2, 100, 350}) {
|
|
std::vector<MovedToTester> a(size);
|
|
|
|
std::vector<MovedToTester> out(std::size(a));
|
|
auto ret = std::move(policy, Iter1(std::data(a)), Iter1(std::data(a) + std::size(a)), Iter2(std::data(out)));
|
|
assert(base(ret) == std::data(out) + std::size(out));
|
|
assert(std::all_of(std::begin(out), std::end(out), [](MovedToTester& t) { return t.moved_to; }));
|
|
assert(std::none_of(std::begin(a), std::end(a), [](MovedToTester& t) { return t.moved_to; }));
|
|
}
|
|
}
|
|
};
|
|
|
|
int main(int, char**) {
|
|
types::for_each(types::forward_iterator_list<int*>{}, types::apply_type_identity{[](auto v) {
|
|
using Iter = typename decltype(v)::type;
|
|
types::for_each(
|
|
types::forward_iterator_list<int*>{},
|
|
TestIteratorWithPolicies< types::partial_instantiation<TestInt, Iter>::template apply>{});
|
|
}});
|
|
|
|
types::for_each(
|
|
types::forward_iterator_list<MovedToTester*>{}, types::apply_type_identity{[](auto v) {
|
|
using Iter = typename decltype(v)::type;
|
|
types::for_each(
|
|
types::forward_iterator_list<MovedToTester*>{},
|
|
TestIteratorWithPolicies< types::partial_instantiation<TestNonTrivial, Iter>::template apply>{});
|
|
}});
|
|
|
|
return 0;
|
|
}
|