//===----------------------------------------------------------------------===//
//
// 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;
}