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Add test for Friday 13th crontab failure 

Added test for Friday 13th trigger, i.e. an uncommon crontab expression.
With the new CronExpression in place, this failure does not occur
anymore.

Closes gh-21574
This commit is contained in:
Arjen Poutsma 2020-07-24 12:24:59 +02:00
parent 72895f0810
commit dbec16d566
1 changed files with 18 additions and 0 deletions
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18
spring-context/src/test/java/org/springframework/scheduling/support/CronExpressionTests.java
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@ -25,6 +25,7 @@ import java.time.ZonedDateTime;
import org.junit.jupiter.api.Test;
import static java.time.DayOfWeek.FRIDAY;
import static java.time.DayOfWeek.MONDAY;
import static java.time.DayOfWeek.TUESDAY;
import static java.time.DayOfWeek.WEDNESDAY;
@ -444,4 +445,21 @@ class CronExpressionTests {
assertThat(actual.getDayOfWeek()).isEqualTo(WEDNESDAY);
}
@Test
void friday13th() {
CronExpression expression = CronExpression.parse("0 0 0 13 * FRI");
LocalDateTime last = LocalDateTime.of(2018, 7, 31, 11, 47, 14);
LocalDateTime actual = expression.next(last);
assertThat(actual).isNotNull();
assertThat(actual.getDayOfWeek()).isEqualTo(FRIDAY);
assertThat(actual.getDayOfMonth()).isEqualTo(13);
last = actual;
actual = expression.next(last);
assertThat(actual).isNotNull();
assertThat(actual.getDayOfWeek()).isEqualTo(FRIDAY);
assertThat(actual.getDayOfMonth()).isEqualTo(13);
}
}