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89 lines
3.2 KiB
C++
89 lines
3.2 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++98, c++03, c++11, c++14, c++17
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// <chrono>
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// class year_month_day_last;
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// constexpr bool operator==(const year_month_day_last& x, const year_month_day_last& y) noexcept;
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// Returns: x.year() == y.year() && x.month_day_last() == y.month_day_last().
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//
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// constexpr bool operator< (const year_month_day_last& x, const year_month_day_last& y) noexcept;
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// Returns:
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// If x.year() < y.year(), returns true.
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// Otherwise, if x.year() > y.year(), returns false.
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// Otherwise, returns x.month_day_last() < y.month_day_last()
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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(int, char**)
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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 month_day_last = std::chrono::month_day_last;
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using year_month_day_last = std::chrono::year_month_day_last;
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AssertComparisons6AreNoexcept<year_month_day_last>();
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AssertComparisons6ReturnBool<year_month_day_last>();
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constexpr month January = std::chrono::January;
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constexpr month February = std::chrono::February;
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static_assert( testComparisons6(
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year_month_day_last{year{1234}, month_day_last{January}},
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year_month_day_last{year{1234}, month_day_last{January}},
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true, false), "");
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// different month
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static_assert( testComparisons6(
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year_month_day_last{year{1234}, month_day_last{January}},
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year_month_day_last{year{1234}, month_day_last{February}},
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false, true), "");
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// different year
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static_assert( testComparisons6(
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year_month_day_last{year{1234}, month_day_last{January}},
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year_month_day_last{year{1235}, month_day_last{January}},
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false, true), "");
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// different month
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static_assert( testComparisons6(
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year_month_day_last{year{1234}, month_day_last{January}},
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year_month_day_last{year{1234}, month_day_last{February}},
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false, true), "");
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// different year and month
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static_assert( testComparisons6(
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year_month_day_last{year{1234}, month_day_last{February}},
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year_month_day_last{year{1235}, month_day_last{January}},
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false, true), "");
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// same year, different 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((testComparisons6(
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year_month_day_last{year{1234}, month_day_last{month{i}}},
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year_month_day_last{year{1234}, month_day_last{month{j}}},
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i == j, i < j )));
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// same month, different years
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for (int i = 1000; i < 20; ++i)
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for (int j = 1000; j < 20; ++j)
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assert((testComparisons6(
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year_month_day_last{year{i}, month_day_last{January}},
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year_month_day_last{year{j}, month_day_last{January}},
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i == j, i < j )));
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return 0;
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}
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