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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-has-no-incomplete-ranges
// transform_view::<iterator>::operator{++,--,+=,-=}
#include <ranges>
#include "test_macros.h"
#include "../types.h"
constexpr bool test() {
std::ranges::transform_view<MoveOnlyView, PlusOne> transformView;
auto iter = std::move(transformView).begin();
assert((++iter).base() == globalBuff + 1);
assert((iter++).base() == globalBuff + 1);
assert(iter.base() == globalBuff + 2);
assert((--iter).base() == globalBuff + 1);
assert((iter--).base() == globalBuff + 1);
assert(iter.base() == globalBuff);
// Check that decltype(InputIter++) == void.
ASSERT_SAME_TYPE(decltype(
std::declval<std::ranges::iterator_t<std::ranges::transform_view<InputView, PlusOne>>>()++),
void);
assert((iter += 4).base() == globalBuff + 4);
assert((iter -= 3).base() == globalBuff + 1);
return true;
}
int main(int, char**) {
test();
static_assert(test());
return 0;
}
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