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[duration-improvement] isNegative, isZero Tests (#14791)

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This commit is contained in:
Kai Yuan 2023-09-23 02:59:43 +02:00 committed by GitHub
parent 82c4b59059
commit 8ea2cc9703
1 changed files with 24 additions and 6 deletions
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18
core-java-modules/core-java-8-datetime/src/test/java/com/baeldung/dateapi/JavaDurationUnitTest.java
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@ -3,9 +3,11 @@ package com.baeldung.dateapi;
import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import java.time.Duration;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.temporal.ChronoUnit;
@ -34,6 +36,22 @@ public class JavaDurationUnitTest {
assertThat(seconds).isEqualTo(30);
}
@Test
public void givenADuration_whenCallingisZeroAndisNegative_thenGetExpectedResult() {
LocalDateTime start = LocalDateTime.parse("2020-01-01T08:00:00");
LocalDateTime end = LocalDateTime.parse("2020-01-01T12:00:00");
assertFalse(Duration.between(start, end)
.isNegative());
assertTrue(Duration.between(end, start)
.isNegative());
LocalDateTime theTime = LocalDateTime.parse("2023-09-09T08:00:00");
assertTrue(Duration.between(theTime, theTime)
.isZero());
assertFalse(Duration.between(theTime, theTime)
.isNegative());
}
@Test
public void test2() {
Instant start = Instant.parse("2017-10-03T10:15:30.00Z");