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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17
// <chrono>
// class day;
// constexpr bool operator==(const day& x, const day& y) noexcept;
// Returns: unsigned{x} == unsigned{y}.
// constexpr strong_ordering operator<=>(const day& x, const day& y) noexcept;
// Returns: unsigned{x} <=> unsigned{y}.
#include <chrono>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "test_comparisons.h"
constexpr bool test() {
using day = std::chrono::day;
// Validate invalid values. The range [0, 255] is guaranteed to be allowed.
assert(testOrderValues<day>(0U, 0U));
assert(testOrderValues<day>(0U, 1U));
assert(testOrderValues<day>(254U, 255U));
assert(testOrderValues<day>(255U, 255U));
// Validate some valid values.
for (unsigned i = 1; i < 10; ++i)
for (unsigned j = 1; j < 10; ++j)
assert(testOrderValues<day>(i, j));
return true;
}
int main(int, char**) {
using day = std::chrono::day;
AssertOrderAreNoexcept<day>();
AssertOrderReturn<std::strong_ordering, day>();
test();
static_assert(test());
return 0;
}
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