60 lines
1.7 KiB
Java
60 lines
1.7 KiB
Java
package com.baeldung.convert;
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import org.joda.time.Instant;
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import org.junit.Assert;
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import org.junit.Test;
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import java.time.LocalDateTime;
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import java.time.ZoneId;
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import java.time.ZonedDateTime;
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import java.util.Calendar;
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import java.util.Date;
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public class ConvertDateTimeUnitTest {
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public final long millis = 1556175797428L;
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@Test
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public void givenLocalDateTime_WhenToEpochMillis_ThenMillis() {
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ZoneId id = ZoneId.systemDefault();
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LocalDateTime localDateTime =
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LocalDateTime.ofInstant(java.time.Instant.ofEpochMilli(millis), id);
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ZonedDateTime zdt = ZonedDateTime.of(localDateTime, id);
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Assert.assertEquals(millis, zdt.toInstant().toEpochMilli());
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}
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@Test
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public void givenJava8Instant_WhenGToEpochMillis_ThenMillis() {
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java.time.Instant instant = java.time.Instant.ofEpochMilli(millis);
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Assert.assertEquals(millis, instant.toEpochMilli());
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}
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@Test
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public void givenDate_WhenGetTime_ThenMillis() {
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Date date = new Date(millis);
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Assert.assertEquals(millis, date.getTime());
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}
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@Test
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public void givenCalendar_WhenGetTimeInMillis_ThenMillis() {
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Calendar calendar = Calendar.getInstance();
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calendar.setTime(new Date(millis));
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Assert.assertEquals(millis, calendar.getTimeInMillis());
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}
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@Test
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public void givenJodaInstant_WhenGetMillis_ThenMillis() {
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Instant jodaInstant = Instant.ofEpochMilli(millis);
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Assert.assertEquals(millis, jodaInstant.getMillis());
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}
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@Test
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public void givenJODADateTime_WhenGetMillis_ThenMillis() {
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org.joda.time.DateTime jodaDateTime = new org.joda.time.DateTime(millis);
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Assert.assertEquals(millis, jodaDateTime.getMillis());
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}
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}
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