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119 lines
3.9 KiB
C++
119 lines
3.9 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_day;
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// constexpr bool operator==(const year_month_day& x, const year_month_day& y) noexcept;
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// Returns: x.year() == y.year() && x.month() == y.month().
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//
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// constexpr bool operator< (const year_month_day& x, const year_month_day& 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, if x.month() < y.month() returns true.
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// Otherwise, if x.month() > y.month() returns false.
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// Otherwise, returns x.day() < y.day()
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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 day = std::chrono::day;
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using year = std::chrono::year;
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using month = std::chrono::month;
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using year_month_day = std::chrono::year_month_day;
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AssertComparisons6AreNoexcept<year_month_day>();
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AssertComparisons6ReturnBool<year_month_day>();
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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{year{1234}, January, day{1}},
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year_month_day{year{1234}, January, day{1}},
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true, false), "");
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// different day
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static_assert( testComparisons6(
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year_month_day{year{1234}, January, day{1}},
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year_month_day{year{1234}, January, day{2}},
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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{year{1234}, January, day{1}},
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year_month_day{year{1234}, February, day{1}},
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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{year{1234}, January, day{1}},
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year_month_day{year{1235}, January, day{1}},
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false, true), "");
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// different month and day
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static_assert( testComparisons6(
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year_month_day{year{1234}, January, day{2}},
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year_month_day{year{1234}, February, day{1}},
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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{year{1234}, February, day{1}},
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year_month_day{year{1235}, January, day{1}},
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false, true), "");
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// different year and day
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static_assert( testComparisons6(
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year_month_day{year{1234}, January, day{2}},
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year_month_day{year{1235}, January, day{1}},
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false, true), "");
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// different year, month and day
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static_assert( testComparisons6(
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year_month_day{year{1234}, February, day{2}},
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year_month_day{year{1235}, January, day{1}},
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false, true), "");
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// same year, different days
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for (unsigned i = 1; i < 28; ++i)
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for (unsigned j = 1; j < 28; ++j)
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assert((testComparisons6(
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year_month_day{year{1234}, January, day{i}},
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year_month_day{year{1234}, January, day{j}},
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i == j, i < j )));
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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{year{1234}, month{i}, day{12}},
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year_month_day{year{1234}, month{j}, day{12}},
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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{year{i}, January, day{12}},
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year_month_day{year{j}, January, day{12}},
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i == j, i < j )));
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}
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