Ali Dehghani
70 lines
2.1 KiB
Java
70 lines
2.1 KiB
Java
package com.baeldung.dateapi;
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import static org.assertj.core.api.Assertions.assertThat;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import java.time.LocalDate;
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import java.time.Period;
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import java.time.temporal.ChronoUnit;
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import org.apache.log4j.Logger;
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import org.junit.Test;
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public class JavaPeriodUnitTest {
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private static final Logger LOG = Logger.getLogger(JavaPeriodUnitTest.class);
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@Test
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public void givenADatePlus5Days_whenRequestingPeriod_thenExpectFive() {
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LocalDate initialDate = LocalDate.parse("2007-05-10");
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LocalDate finalDate = initialDate.plus(Period.ofDays(5));
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int days = Period.between(initialDate, finalDate)
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.getDays();
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assertThat(days).isEqualTo(5);
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}
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@Test
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public void givenADatePlus5Days_whenRequestingDaysBetween_thenExpectFive() {
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LocalDate initialDate = LocalDate.parse("2007-05-10");
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LocalDate finalDate = initialDate.plus(Period.ofDays(5));
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long days = ChronoUnit.DAYS.between(initialDate, finalDate);
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assertThat(days).isEqualTo(5);
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}
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@Test
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public void whenTestPeriod_thenOk() {
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LocalDate startDate = LocalDate.of(2015, 2, 15);
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LocalDate endDate = LocalDate.of(2017, 1, 21);
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Period period = Period.between(startDate, endDate);
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LOG.info(String.format("Years:%d months:%d days:%d", period.getYears(), period.getMonths(), period.getDays()));
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assertFalse(period.isNegative());
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assertEquals(56, period.plusDays(50)
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.getDays());
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assertEquals(9, period.minusMonths(2)
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.getMonths());
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Period fromUnits = Period.of(3, 10, 10);
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Period fromDays = Period.ofDays(50);
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Period fromMonths = Period.ofMonths(5);
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Period fromYears = Period.ofYears(10);
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Period fromWeeks = Period.ofWeeks(40);
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assertEquals(280, fromWeeks.getDays());
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Period fromCharYears = Period.parse("P2Y");
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assertEquals(2, fromCharYears.getYears());
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Period fromCharUnits = Period.parse("P2Y3M5D");
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assertEquals(5, fromCharUnits.getDays());
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}
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}
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