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76 lines
2.9 KiB
C++
76 lines
2.9 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
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// <chrono>
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// class year_month_weekday;
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// constexpr bool ok() const noexcept;
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// Returns: m_.ok() && y_.ok().
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#include <chrono>
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#include <type_traits>
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#include <cassert>
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#include "test_macros.h"
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int main()
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{
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using year = std::chrono::year;
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using month = std::chrono::month;
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using weekday = std::chrono::weekday;
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using weekday_indexed = std::chrono::weekday_indexed;
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using year_month_weekday = std::chrono::year_month_weekday;
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constexpr month January = std::chrono::January;
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constexpr weekday Tuesday = std::chrono::Tuesday;
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ASSERT_NOEXCEPT( std::declval<const year_month_weekday>().ok());
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ASSERT_SAME_TYPE(bool, decltype(std::declval<const year_month_weekday>().ok()));
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static_assert(!year_month_weekday{}.ok(), "");
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static_assert(!year_month_weekday{year{-32768}, month{}, weekday_indexed{}}.ok(), ""); // All three bad
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static_assert(!year_month_weekday{year{-32768}, January, weekday_indexed{Tuesday, 1}}.ok(), ""); // Bad year
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static_assert(!year_month_weekday{year{2019}, month{}, weekday_indexed{Tuesday, 1}}.ok(), ""); // Bad month
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static_assert(!year_month_weekday{year{2019}, January, weekday_indexed{} }.ok(), ""); // Bad day
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static_assert(!year_month_weekday{year{-32768}, month{}, weekday_indexed{Tuesday, 1}}.ok(), ""); // Bad year & month
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static_assert(!year_month_weekday{year{2019}, month{}, weekday_indexed{} }.ok(), ""); // Bad month & day
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static_assert(!year_month_weekday{year{-32768}, January, weekday_indexed{} }.ok(), ""); // Bad year & day
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static_assert( year_month_weekday{year{2019}, January, weekday_indexed{Tuesday, 1}}.ok(), ""); // All OK
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for (unsigned i = 0; i <= 50; ++i)
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{
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year_month_weekday ym{year{2019}, January, weekday_indexed{Tuesday, i}};
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assert((ym.ok() == weekday_indexed{Tuesday, i}.ok()));
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}
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for (unsigned i = 0; i <= 50; ++i)
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{
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year_month_weekday ym{year{2019}, January, weekday_indexed{weekday{i}, 1}};
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assert((ym.ok() == weekday_indexed{weekday{i}, 1}.ok()));
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}
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for (unsigned i = 0; i <= 50; ++i)
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{
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year_month_weekday ym{year{2019}, month{i}, weekday_indexed{Tuesday, 1}};
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assert((ym.ok() == month{i}.ok()));
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}
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const int ymax = static_cast<int>(year::max());
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for (int i = ymax - 100; i <= ymax + 100; ++i)
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{
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year_month_weekday ym{year{i}, January, weekday_indexed{Tuesday, 1}};
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assert((ym.ok() == year{i}.ok()));
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}
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}
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