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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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17
// UNSUPPORTED: libcpp-no-concepts
// UNSUPPORTED: libcpp-has-no-incomplete-ranges
// transform_view::<iterator>::operator*
#include <ranges>
#include "test_macros.h"
#include "../types.h"
int main(int, char**) {
{
int buff[] = {0, 1, 2, 3, 4, 5, 6, 7};
using View = std::ranges::transform_view<MoveOnlyView, PlusOne>;
View transformView(MoveOnlyView{buff}, PlusOne{});
assert(*transformView.begin() == 1);
static_assert(!noexcept(*std::declval<std::ranges::iterator_t<View>>()));
ASSERT_SAME_TYPE(int, decltype(*std::declval<View>().begin()));
}
{
int buff[] = {0, 1, 2, 3, 4, 5, 6, 7};
using View = std::ranges::transform_view<MoveOnlyView, PlusOneMutable>;
View transformView(MoveOnlyView{buff}, PlusOneMutable{});
assert(*transformView.begin() == 1);
static_assert(!noexcept(*std::declval<std::ranges::iterator_t<View>>()));
ASSERT_SAME_TYPE(int, decltype(*std::declval<View>().begin()));
}
{
int buff[] = {0, 1, 2, 3, 4, 5, 6, 7};
using View = std::ranges::transform_view<MoveOnlyView, PlusOneNoexcept>;
View transformView(MoveOnlyView{buff}, PlusOneNoexcept{});
assert(*transformView.begin() == 1);
static_assert(noexcept(*std::declval<std::ranges::iterator_t<View>>()));
ASSERT_SAME_TYPE(int, decltype(*std::declval<View>().begin()));
}
{
int buff[] = {0, 1, 2, 3, 4, 5, 6, 7};
using View = std::ranges::transform_view<MoveOnlyView, Increment>;
View transformView(MoveOnlyView{buff}, Increment{});
assert(*transformView.begin() == 1);
static_assert(!noexcept(*std::declval<std::ranges::iterator_t<View>>()));
ASSERT_SAME_TYPE(int&, decltype(*std::declval<View>().begin()));
}
{
int buff[] = {0, 1, 2, 3, 4, 5, 6, 7};
using View = std::ranges::transform_view<MoveOnlyView, IncrementRvalueRef>;
View transformView(MoveOnlyView{buff}, IncrementRvalueRef{});
assert(*transformView.begin() == 1);
static_assert(!noexcept(*std::declval<std::ranges::iterator_t<View>>()));
ASSERT_SAME_TYPE(int&&, decltype(*std::declval<View>().begin()));
}
return 0;
}
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