| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
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| 10 | |
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| 11 | // Test that reverse_view conforms to range and view concepts. |
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| 12 | |
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| 13 | #include <ranges> |
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| 14 | |
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| 15 | #include <cassert> |
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| 16 | #include <concepts> |
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| 17 | |
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| 18 | #include "test_iterators.h" |
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| 19 | #include "test_range.h" |
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| 20 | |
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| 21 | static_assert( std::ranges::bidirectional_range<std::ranges::reverse_view<test_view<bidirectional_iterator>>>); |
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| 22 | static_assert( std::ranges::random_access_range<std::ranges::reverse_view<test_view<random_access_iterator>>>); |
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| 23 | static_assert( std::ranges::random_access_range<std::ranges::reverse_view<test_view<contiguous_iterator>>>); |
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| 24 | static_assert(!std::ranges::contiguous_range<std::ranges::reverse_view<test_view<contiguous_iterator>>>); |
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| 25 | |
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| 26 | static_assert(std::ranges::view<std::ranges::reverse_view<test_view<bidirectional_iterator>>>); |
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| 27 | |
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