forked from OSchip/llvm-project
58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14, c++17
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// constexpr V base() const& requires copy_constructible<V>
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// constexpr V base() &&
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#include <ranges>
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#include "test_macros.h"
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#include "types.h"
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constexpr bool test() {
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{
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std::ranges::transform_view<MoveOnlyView, PlusOne> transformView;
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MoveOnlyView base = std::move(transformView).base();
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ASSERT_SAME_TYPE(MoveOnlyView, decltype(std::move(transformView).base()));
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assert(std::ranges::begin(base) == globalBuff);
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}
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{
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std::ranges::transform_view<CopyableView, PlusOne> transformView;
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CopyableView base1 = transformView.base();
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ASSERT_SAME_TYPE(CopyableView, decltype(transformView.base()));
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assert(std::ranges::begin(base1) == globalBuff);
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CopyableView base2 = std::move(transformView).base();
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ASSERT_SAME_TYPE(CopyableView, decltype(std::move(transformView).base()));
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assert(std::ranges::begin(base2) == globalBuff);
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}
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{
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const std::ranges::transform_view<CopyableView, PlusOne> transformView;
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const CopyableView base1 = transformView.base();
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ASSERT_SAME_TYPE(CopyableView, decltype(transformView.base()));
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assert(std::ranges::begin(base1) == globalBuff);
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const CopyableView base2 = std::move(transformView).base();
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ASSERT_SAME_TYPE(CopyableView, decltype(std::move(transformView).base()));
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assert(std::ranges::begin(base2) == globalBuff);
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}
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return true;
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}
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int main(int, char**) {
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test();
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static_assert(test());
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return 0;
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}
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