org.jfree.data.time.junit.WeekTests Maven / Gradle / Ivy
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* --------------
* WeekTests.java
* --------------
* (C) Copyright 2002-2005, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: WeekTests.java,v 1.5.2.1 2005/10/25 21:35:47 mungady Exp $
*
* Changes
* -------
* 05-Apr-2002 : Version 1 (DG);
* 26-Jun-2002 : Removed unnecessary imports (DG);
* 17-Oct-2002 : Fixed errors reported by Checkstyle (DG);
* 13-Mar-2003 : Added serialization test (DG);
* 21-Oct-2003 : Added hashCode test (DG);
*
*/
package org.jfree.data.time.junit;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import java.util.Calendar;
import java.util.Locale;
import java.util.TimeZone;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.data.time.Week;
/**
* Tests for the {@link Week} class.
*/
public class WeekTests extends TestCase {
/** A week. */
private Week w1Y1900;
/** A week. */
private Week w2Y1900;
/** A week. */
private Week w51Y9999;
/** A week. */
private Week w52Y9999;
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(WeekTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public WeekTests(String name) {
super(name);
}
/**
* Common test setup.
*/
protected void setUp() {
this.w1Y1900 = new Week(1, 1900);
this.w2Y1900 = new Week(2, 1900);
this.w51Y9999 = new Week(51, 9999);
this.w52Y9999 = new Week(52, 9999);
}
/**
* Tests the equals method.
*/
public void testEquals() {
Week w1 = new Week(1, 2002);
Week w2 = new Week(1, 2002);
assertTrue(w1.equals(w2));
assertTrue(w2.equals(w1));
w1 = new Week(2, 2002);
assertFalse(w1.equals(w2));
w2 = new Week(2, 2002);
assertTrue(w1.equals(w2));
w1 = new Week(2, 2003);
assertFalse(w1.equals(w2));
w2 = new Week(2, 2003);
assertTrue(w1.equals(w2));
}
/**
* Request the week before week 1, 1900: it should be null.
*/
public void testW1Y1900Previous() {
Week previous = (Week) this.w1Y1900.previous();
assertNull(previous);
}
/**
* Request the week after week 1, 1900: it should be week 2, 1900.
*/
public void testW1Y1900Next() {
Week next = (Week) this.w1Y1900.next();
assertEquals(this.w2Y1900, next);
}
/**
* Request the week before w52, 9999: it should be week 51, 9999.
*/
public void testW52Y9999Previous() {
Week previous = (Week) this.w52Y9999.previous();
assertEquals(this.w51Y9999, previous);
}
/**
* Request the week after w52, 9999: it should be null.
*/
public void testW52Y9999Next() {
Week next = (Week) this.w52Y9999.next();
assertNull(next);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
Week w1 = new Week(24, 1999);
Week w2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(w1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
w2 = (Week) in.readObject();
in.close();
}
catch (Exception e) {
System.out.println(e.toString());
}
assertEquals(w1, w2);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
public void testHashcode() {
Week w1 = new Week(2, 2003);
Week w2 = new Week(2, 2003);
assertTrue(w1.equals(w2));
int h1 = w1.hashCode();
int h2 = w2.hashCode();
assertEquals(h1, h2);
}
/**
* The {@link Week} class is immutable, so should not be {@link Cloneable}.
*/
public void testNotCloneable() {
Week w = new Week(1, 1999);
assertFalse(w instanceof Cloneable);
}
/**
* The first week in 2005 should span the range:
*
* TimeZone | Start Millis | End Millis | Start Date | End Date
* -----------------+---------------+---------------+-------------+------------
* Europe/London | 1104710400000 | 1105315199999 | 3-Jan-2005 | 9-Jan-2005
* Europe/Paris | 1104706800000 | 1105311599999 | 3-Jan-2005 | 2-Jan-2005
* America/New_York | 1104037200000 | 1104641999999 | 26-Dec-2004 | 1-Jan-2005
*
* In London and Paris, Monday is the first day of the week, while in the US it is
* Sunday.
*
* Previously, we were using these values, but see Java Bug ID 4960215:
*
* TimeZone | Start Millis | End Millis | Start Date | End Date
* -----------------+---------------+---------------+-------------+------------
* Europe/London | 1104105600000 | 1104710399999 | 27-Dec-2004 | 2-Jan-2005
* Europe/Paris | 1104102000000 | 1104706799999 | 27-Dec-2004 | 2-Jan-2005
* America/New_York | 1104037200000 | 1104641999999 | 26-Dec-2004 | 1-Jan-2005
*/
public void testWeek12005() {
Week w1 = new Week(1, 2005);
Calendar c1 = Calendar.getInstance(
TimeZone.getTimeZone("Europe/London"), Locale.UK
);
c1.setMinimalDaysInFirstWeek(4); // see Java Bug ID 4960215
assertEquals(1104710400000L, w1.getFirstMillisecond(c1));
assertEquals(1105315199999L, w1.getLastMillisecond(c1));
Calendar c2 = Calendar.getInstance(
TimeZone.getTimeZone("Europe/Paris"), Locale.FRANCE
);
c2.setMinimalDaysInFirstWeek(4); // see Java Bug ID 4960215
assertEquals(1104706800000L, w1.getFirstMillisecond(c2));
assertEquals(1105311599999L, w1.getLastMillisecond(c2));
Calendar c3 = Calendar.getInstance(
TimeZone.getTimeZone("America/New_York"), Locale.US
);
assertEquals(1104037200000L, w1.getFirstMillisecond(c3));
assertEquals(1104641999999L, w1.getLastMillisecond(c3));
}
/**
* The 53rd week in 2004 in London and Paris should span the range:
*
* TimeZone | Start Millis | End Millis | Start Date | End Date
* -----------------+---------------+---------------+-------------+------------
* Europe/London | 1104105600000 | 1104710399999 | 27-Dec-2004 | 02-Jan-2005
* Europe/Paris | 1104102000000 | 1104706799999 | 27-Dec-2004 | 02-Jan-2005
*
* The 53rd week in 2005 in New York should span the range:
*
* TimeZone | Start Millis | End Millis | Start Date | End Date
* -----------------+---------------+---------------+-------------+------------
* America/New_York | 1135486800000 | 1136091599999 | 25-Dec-2005 | 31-Dec-2005
*
* In London and Paris, Monday is the first day of the week, while in the US it is
* Sunday.
*/
public void testWeek532005() {
Week w1 = new Week(53, 2004);
Calendar c1 = Calendar.getInstance(
TimeZone.getTimeZone("Europe/London"), Locale.UK
);
c1.setMinimalDaysInFirstWeek(4); // see Java Bug ID 4960215
assertEquals(1104105600000L, w1.getFirstMillisecond(c1));
assertEquals(1104710399999L, w1.getLastMillisecond(c1));
Calendar c2 = Calendar.getInstance(
TimeZone.getTimeZone("Europe/Paris"), Locale.FRANCE
);
c2.setMinimalDaysInFirstWeek(4); // see Java Bug ID 4960215
assertEquals(1104102000000L, w1.getFirstMillisecond(c2));
assertEquals(1104706799999L, w1.getLastMillisecond(c2));
w1 = new Week(53, 2005);
Calendar c3 = Calendar.getInstance(
TimeZone.getTimeZone("America/New_York"), Locale.US
);
assertEquals(1135486800000L, w1.getFirstMillisecond(c3));
assertEquals(1136091599999L, w1.getLastMillisecond(c3));
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy