Fix CronExpression issue with ZonedDateTime & DST

This commit fixes an issue with CronExpression when used in combination
with ZonedDateTime and daylight saving time.

Closes gh-26744
This commit is contained in:
Arjen Poutsma
2021-03-30 15:20:11 +02:00
parent d83fb09914
commit ab18ab6025
2 changed files with 25 additions and 3 deletions

View File

@@ -1,5 +1,5 @@
/*
* Copyright 2002-2020 the original author or authors.
* Copyright 2002-2021 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -1261,6 +1261,23 @@ class CronExpressionTests {
assertThat(actual.getDayOfWeek()).isEqualTo(SUNDAY);
}
@Test
public void daylightSaving() {
CronExpression cronExpression = CronExpression.parse("0 0 9 * * *");
ZonedDateTime last = ZonedDateTime.parse("2021-03-27T09:00:00+01:00[Europe/Amsterdam]");
ZonedDateTime expected = ZonedDateTime.parse("2021-03-28T09:00:00+01:00[Europe/Amsterdam]");
ZonedDateTime actual = cronExpression.next(last);
assertThat(actual).isNotNull();
assertThat(actual).isEqualTo(expected);
last = ZonedDateTime.parse("2021-10-30T09:00:00+01:00[Europe/Amsterdam]");
expected = ZonedDateTime.parse("2021-10-31T09:00:00+02:00[Europe/Amsterdam]");
actual = cronExpression.next(last);
assertThat(actual).isNotNull();
assertThat(actual).isEqualTo(expected);
}
}