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109 lines
3.2 KiB
C++
109 lines
3.2 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_day;
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// constexpr month_day
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// operator/(const month& m, const day& d) noexcept;
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// Returns: {m, d}.
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//
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// constexpr month_day
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// operator/(const day& d, const month& m) noexcept;
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// Returns: m / d.
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// constexpr month_day
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// operator/(const month& m, int d) noexcept;
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// Returns: m / day(d).
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//
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// constexpr month_day
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// operator/(int m, const day& d) noexcept;
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// Returns: month(m) / d.
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//
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// constexpr month_day
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// operator/(const day& d, int m) noexcept;
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// Returns: month(m) / d.
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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_day = std::chrono::month_day;
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using month = std::chrono::month;
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using day = std::chrono::day;
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constexpr month February = std::chrono::February;
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{ // operator/(const month& m, const day& d) (and switched)
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ASSERT_NOEXCEPT ( February/day{1});
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ASSERT_SAME_TYPE(month_day, decltype(February/day{1}));
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ASSERT_NOEXCEPT ( day{1}/February);
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ASSERT_SAME_TYPE(month_day, decltype(day{1}/February));
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for (int i = 1; i <= 12; ++i)
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for (unsigned j = 0; j <= 30; ++j)
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{
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month m(i);
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day d{j};
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month_day md1 = m/d;
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month_day md2 = d/m;
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assert(md1.month() == m);
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assert(md1.day() == d);
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assert(md2.month() == m);
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assert(md2.day() == d);
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assert(md1 == md2);
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}
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}
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{ // operator/(const month& m, int d) (NOT switched)
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ASSERT_NOEXCEPT ( February/2);
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ASSERT_SAME_TYPE(month_day, decltype(February/2));
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for (int i = 1; i <= 12; ++i)
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for (unsigned j = 0; j <= 30; ++j)
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{
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month m(i);
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day d(j);
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month_day md1 = m/j;
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assert(md1.month() == m);
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assert(md1.day() == d);
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}
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}
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{ // operator/(const day& d, int m) (and switched)
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ASSERT_NOEXCEPT ( day{2}/2);
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ASSERT_SAME_TYPE(month_day, decltype(day{2}/2));
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ASSERT_NOEXCEPT ( 2/day{2});
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ASSERT_SAME_TYPE(month_day, decltype(2/day{2}));
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for (int i = 1; i <= 12; ++i)
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for (unsigned j = 0; j <= 30; ++j)
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{
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month m(i);
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day d(j);
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month_day md1 = d/i;
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month_day md2 = i/d;
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assert(md1.month() == m);
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assert(md1.day() == d);
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assert(md2.month() == m);
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assert(md2.day() == d);
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assert(md1 == md2);
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}
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}
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}
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