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69 lines
2.1 KiB
C++
69 lines
2.1 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;
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// constexpr year_month operator/(const year& y, const month& m) noexcept;
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// Returns: {y, m}.
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//
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// constexpr year_month operator/(const year& y, int m) noexcept;
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// Returns: y / month(m).
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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 year = std::chrono::year;
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using year_month = std::chrono::year_month;
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constexpr month February = std::chrono::February;
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{ // operator/(const year& y, const month& m)
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ASSERT_NOEXCEPT ( year{2018}/February);
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ASSERT_SAME_TYPE(year_month, decltype(year{2018}/February));
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static_assert((year{2018}/February).year() == year{2018}, "");
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static_assert((year{2018}/February).month() == month{2}, "");
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for (int i = 1000; i <= 1030; ++i)
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for (unsigned j = 1; j <= 12; ++j)
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{
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year_month ym = year{i}/month{j};
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assert(static_cast<int>(ym.year()) == i);
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assert(static_cast<unsigned>(ym.month()) == j);
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}
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}
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{ // operator/(const year& y, const int m)
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ASSERT_NOEXCEPT ( year{2018}/4);
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ASSERT_SAME_TYPE(year_month, decltype(year{2018}/4));
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static_assert((year{2018}/2).year() == year{2018}, "");
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static_assert((year{2018}/2).month() == month{2}, "");
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for (int i = 1000; i <= 1030; ++i)
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for (unsigned j = 1; j <= 12; ++j)
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{
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year_month ym = year{i}/j;
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assert(static_cast<int>(ym.year()) == i);
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assert(static_cast<unsigned>(ym.month()) == j);
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}
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}
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}
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