[libcxx-commits] [libcxx] [libc++][chrono] Loads leap-seconds.list in tzdb. (PR #82113)

[Mark de Wever via libcxx-commits]

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@@ -0,0 +1,75 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+// UNSUPPORTED: no-filesystem, no-localization, no-tzdb
+
+// XFAIL: libcpp-has-no-incomplete-tzdb
+// XFAIL: availability-tzdb-missing
+
+// <chrono>
+
+// Tests the loaded leap seconds match
+// https://eel.is/c++draft/time.zone.leap.overview#2
+//
+// At the moment of writing that list is the actual list.
+// If in the future more leap seconds are added, the returned list may have more
+
+#include <algorithm>
+#include <array>
+#include <cassert>
+#include <chrono>
+#include <ranges>
+
+using namespace std::literals::chrono_literals;
+
+// The list of leap seconds matching
+// https://eel.is/c++draft/time.zone.leap.overview#2
+// At the moment of writing that list is the actual list in the IANA database.
+// If in the future more leap seconds can be added. Testng th
+static const std::array /*<std::chrono::leap_second>*/ leap_seconds = {
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mordante wrote:

It should be removed, I originally had a `leap_second`, but the contents switched to a `pair` instead.

https://github.com/llvm/llvm-project/pull/82113