forked from OSchip/llvm-project
53 lines
1.9 KiB
C++
53 lines
1.9 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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// UNSUPPORTED: libcpp-no-concepts
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// UNSUPPORTED: libcpp-has-no-incomplete-ranges
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// template<bool OtherConst>
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// requires sentinel_for<sentinel_t<Base>, iterator_t<maybe-const<OtherConst, V>>>
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// friend constexpr bool operator==(const iterator<OtherConst>& x, const sentinel& y);
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#include <cassert>
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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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int buffer[4][4] = {{1111, 2222, 3333, 4444}, {555, 666, 777, 888}, {99, 1010, 1111, 1212}, {13, 14, 15, 16}};
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{
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ChildView children[4] = {ChildView(buffer[0]), ChildView(buffer[1]), ChildView(buffer[2]), ChildView(buffer[3])};
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auto jv = std::ranges::join_view(ParentView(children));
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assert(jv.end() == std::ranges::next(jv.begin(), 16));
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}
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{
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CopyableChild children[4] = {CopyableChild(buffer[0]), CopyableChild(buffer[1]), CopyableChild(buffer[2]), CopyableChild(buffer[3])};
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const auto jv = std::ranges::join_view(ParentView(children));
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assert(jv.end() == std::ranges::next(jv.begin(), 16));
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}
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{
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CopyableChild children[4] = {CopyableChild(buffer[0]), CopyableChild(buffer[1]), CopyableChild(buffer[2]), CopyableChild(buffer[3])};
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const std::ranges::join_view jvc(CopyableParent{children});
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std::ranges::join_view jv(CopyableParent{children});
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assert(jvc.end() == std::ranges::next(jv.begin(), 16));
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assert( jv.end() == std::ranges::next(jvc.begin(), 16));
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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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