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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 weekday;
// constexpr weekday_indexed operator[](unsigned index) const noexcept;
// constexpr weekday_last operator[](last_spec) const noexcept;
#include <chrono>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "../../euclidian.h"
int main(int, char**)
{
using weekday = std::chrono::weekday;
using weekday_last = std::chrono::weekday_last;
using weekday_indexed = std::chrono::weekday_indexed;
constexpr weekday Sunday = std::chrono::Sunday;
ASSERT_NOEXCEPT( std::declval<weekday>()[1U]);
ASSERT_SAME_TYPE(weekday_indexed, decltype(std::declval<weekday>()[1U]));
ASSERT_NOEXCEPT( std::declval<weekday>()[std::chrono::last]);
ASSERT_SAME_TYPE(weekday_last, decltype(std::declval<weekday>()[std::chrono::last]));
static_assert(Sunday[2].weekday() == Sunday, "");
static_assert(Sunday[2].index () == 2, "");
for (unsigned i = 0; i <= 6; ++i)
{
weekday wd(i);
weekday_last wdl = wd[std::chrono::last];
assert(wdl.weekday() == wd);
assert(wdl.ok());
}
for (unsigned i = 0; i <= 6; ++i)
for (unsigned j = 1; j <= 5; ++j)
{
weekday wd(i);
weekday_indexed wdi = wd[j];
assert(wdi.weekday() == wd);
assert(wdi.index() == j);
assert(wdi.ok());
}
return 0;
}
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