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74 lines
2.5 KiB
C++
74 lines
2.5 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 month_weekday_last;
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// constexpr bool operator==(const month_weekday_last& x, const month_weekday_last& y) noexcept;
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// Returns: x.month() == y.month()
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//
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// constexpr bool operator< (const month_weekday_last& x, const month_weekday_last& y) noexcept;
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// Returns: x.month() < y.month()
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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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#include "test_comparisons.h"
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int main()
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{
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using month = std::chrono::month;
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using weekday_last = std::chrono::weekday_last;
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using weekday = std::chrono::weekday;
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using month_weekday_last = std::chrono::month_weekday_last;
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constexpr month January = std::chrono::January;
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constexpr weekday Tuesday = std::chrono::Tuesday;
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constexpr weekday Wednesday = std::chrono::Wednesday;
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AssertComparisons2AreNoexcept<month_weekday_last>();
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AssertComparisons2ReturnBool<month_weekday_last>();
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static_assert( testComparisons2(
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month_weekday_last{std::chrono::January, weekday_last{Tuesday}},
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month_weekday_last{std::chrono::January, weekday_last{Tuesday}},
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true), "");
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static_assert( testComparisons2(
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month_weekday_last{std::chrono::January, weekday_last{Tuesday}},
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month_weekday_last{std::chrono::January, weekday_last{Wednesday}},
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false), "");
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// vary the months
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for (unsigned i = 1; i < 12; ++i)
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for (unsigned j = 1; j < 12; ++j)
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assert((testComparisons2(
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month_weekday_last{month{i}, weekday_last{Tuesday}},
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month_weekday_last{month{j}, weekday_last{Tuesday}},
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i == j)));
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// vary the weekday
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for (unsigned i = 0; i < 6; ++i)
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for (unsigned j = 0; j < 6; ++j)
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assert((testComparisons2(
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month_weekday_last{January, weekday_last{weekday{i}}},
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month_weekday_last{January, weekday_last{weekday{j}}},
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i == j)));
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// both different
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assert((testComparisons2(
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month_weekday_last{month{1}, weekday_last{weekday{1}}},
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month_weekday_last{month{2}, weekday_last{weekday{2}}},
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false)));
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}
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