| 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 | // UNSUPPORTED: c++03, c++11, c++14, c++17 |
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| 9 | |
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| 10 | // <chrono> |
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| 11 | |
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| 12 | // using weeks = duration<signed integer type of at least 22 bits, ratio_multiply<ratio<7>, days::period>>; |
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| 13 | |
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| 14 | #include <chrono> |
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| 15 | #include <limits> |
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| 16 | #include <ratio> |
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| 17 | #include <type_traits> |
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| 18 | |
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| 19 | #include "test_macros.h" |
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| 20 | |
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| 21 | int main(int, char**) |
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| 22 | { |
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| 23 | typedef std::chrono::weeks D; |
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| 24 | typedef D::rep Rep; |
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| 25 | typedef D::period Period; |
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| 26 | static_assert(std::is_signed<Rep>::value, "" ); |
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| 27 | static_assert(std::is_integral<Rep>::value, "" ); |
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| 28 | static_assert(std::numeric_limits<Rep>::digits >= 22, "" ); |
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| 29 | static_assert(std::is_same_v<Period, std::ratio_multiply<std::ratio<7>, std::chrono::days::period>>, "" ); |
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| 30 | |
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| 31 | return 0; |
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| 32 | } |
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| 33 | |
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