/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2012, 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.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* --------------
* WeekTests.java
* --------------
* (C) Copyright 2002-2008, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* 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);
* 06-Apr-2006 : Added testBug1448828() method (DG);
* 01-Jun-2006 : Added testBug1498805() method (DG);
* 11-Jul-2007 : Fixed bad time zone assumption (DG);
* 28-Aug-2007 : Added test for constructor problem (DG);
* 19-Dec-2007 : Set default locale for tests that are sensitive
* to the locale (DG);
*
*/
package org.jfree.data.time;
import org.junit.Before;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Locale;
import java.util.TimeZone;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.fail;
/**
* Tests for the {@link Week} class.
*/
public class WeekTest {
/** A week. */
private Week w1Y1900;
/** A week. */
private Week w2Y1900;
/** A week. */
private Week w51Y9999;
/** A week. */
private Week w52Y9999;
/**
* Common test setup.
*/
@Before
public 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.
*/
@Test
public void testEquals() {
Week w1 = new Week(1, 2002);
Week w2 = new Week(1, 2002);
assertEquals(w1, w2);
assertEquals(w2, w1);
w1 = new Week(2, 2002);
assertFalse(w1.equals(w2));
w2 = new Week(2, 2002);
assertEquals(w1, w2);
w1 = new Week(2, 2003);
assertFalse(w1.equals(w2));
w2 = new Week(2, 2003);
assertEquals(w1, w2);
}
/**
* Request the week before week 1, 1900: it should be <code>null</code>.
*/
@Test
public void testW1Y1900Previous() {
Week previous = (Week) this.w1Y1900.previous();
assertNull(previous);
}
/**
* Request the week after week 1, 1900: it should be week 2, 1900.
*/
@Test
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.
*/
@Test
public void testW52Y9999Previous() {
Week previous = (Week) this.w52Y9999.previous();
assertEquals(this.w51Y9999, previous);
}
/**
* Request the week after w52, 9999: it should be <code>null</code>.
*/
@Test
public void testW52Y9999Next() {
Week next = (Week) this.w52Y9999.next();
assertNull(next);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
Week w1 = new Week(24, 1999);
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(w1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
Week w2 = (Week) in.readObject();
in.close();
assertEquals(w1, w2);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashcode() {
Week w1 = new Week(2, 2003);
Week w2 = new Week(2, 2003);
assertEquals(w1, w2);
int h1 = w1.hashCode();
int h2 = w2.hashCode();
assertEquals(h1, h2);
}
/**
* The {@link Week} class is immutable, so should not be {@link Cloneable}.
*/
@Test
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
*/
@Test
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.
*/
@Test
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));
}
/**
* A test case for bug 1448828.
*/
@Test
public void testBug1448828() {
Locale saved = Locale.getDefault();
Locale.setDefault(Locale.UK);
try {
Week w = new Week(new Date(1136109830000l),
TimeZone.getTimeZone("GMT"), Locale.UK);
assertEquals(2005, w.getYearValue());
assertEquals(52, w.getWeek());
}
finally {
Locale.setDefault(saved);
}
}
/**
* A test case for bug 1498805.
*/
@Test
public void testBug1498805() {
Locale saved = Locale.getDefault();
Locale.setDefault(Locale.UK);
try {
TimeZone zone = TimeZone.getTimeZone("GMT");
GregorianCalendar gc = new GregorianCalendar(zone);
gc.set(2005, Calendar.JANUARY, 1, 12, 0, 0);
Week w = new Week(gc.getTime(), zone, Locale.UK);
assertEquals(53, w.getWeek());
assertEquals(new Year(2004), w.getYear());
}
finally {
Locale.setDefault(saved);
}
}
/**
* Some checks for the getFirstMillisecond() method.
*/
@Test
public void testGetFirstMillisecond() {
Locale saved = Locale.getDefault();
Locale.setDefault(Locale.UK);
TimeZone savedZone = TimeZone.getDefault();
TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
Week w = new Week(3, 1970);
assertEquals(946800000L, w.getFirstMillisecond());
Locale.setDefault(saved);
TimeZone.setDefault(savedZone);
}
/**
* Some checks for the getFirstMillisecond(TimeZone) method.
*/
@Test
public void testGetFirstMillisecondWithTimeZone() {
Week w = new Week(47, 1950);
Locale saved = Locale.getDefault();
Locale.setDefault(Locale.US);
try {
TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
Calendar c = new GregorianCalendar(zone);
assertEquals(-603302400000L, w.getFirstMillisecond(c));
}
finally {
Locale.setDefault(saved);
}
// try null calendar
try {
w.getFirstMillisecond(null);
fail("NullPointerException should have been thrown");
}
catch (NullPointerException e) {
//should go in here
}
}
/**
* Some checks for the getFirstMillisecond(TimeZone) method.
*/
@Test
public void testGetFirstMillisecondWithCalendar() {
Week w = new Week(1, 2001);
GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
assertEquals(978307200000L, w.getFirstMillisecond(calendar));
// try null calendar
try {
w.getFirstMillisecond(null);
fail("NullPointerException should have been thrown");
}
catch (NullPointerException e) {
//we should go in here
}
}
/**
* Some checks for the getLastMillisecond() method.
*/
@Test
public void testGetLastMillisecond() {
Locale saved = Locale.getDefault();
Locale.setDefault(Locale.UK);
TimeZone savedZone = TimeZone.getDefault();
TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
Week w = new Week(31, 1970);
assertEquals(18485999999L, w.getLastMillisecond());
Locale.setDefault(saved);
TimeZone.setDefault(savedZone);
}
/**
* Some checks for the getLastMillisecond(TimeZone) method.
*/
@Test
public void testGetLastMillisecondWithTimeZone() {
Week w = new Week(2, 1950);
Locale saved = Locale.getDefault();
Locale.setDefault(Locale.US);
try {
TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
Calendar c = new GregorianCalendar(zone);
assertEquals(-629913600001L, w.getLastMillisecond(c));
}
finally {
Locale.setDefault(saved);
}
// try null zone
try {
w.getLastMillisecond(null);
fail("NullPointerException should have been thrown");
}
catch (NullPointerException e) {
//we should go in here
}
}
/**
* Some checks for the getLastMillisecond(TimeZone) method.
*/
@Test
public void testGetLastMillisecondWithCalendar() {
Week w = new Week(52, 2001);
GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
assertEquals(1009756799999L, w.getLastMillisecond(calendar));
// try null calendar
try {
w.getLastMillisecond(null);
fail("NullPointerException should have been thrown");
}
catch (NullPointerException e) {
//we should go in here
}
}
/**
* Some checks for the getSerialIndex() method.
*/
@Test
public void testGetSerialIndex() {
Week w = new Week(1, 2000);
assertEquals(106001L, w.getSerialIndex());
w = new Week(1, 1900);
assertEquals(100701L, w.getSerialIndex());
}
/**
* Some checks for the testNext() method.
*/
@Test
public void testNext() {
Week w = new Week(12, 2000);
w = (Week) w.next();
assertEquals(new Year(2000), w.getYear());
assertEquals(13, w.getWeek());
w = new Week(53, 9999);
assertNull(w.next());
}
/**
* Some checks for the getStart() method.
*/
@Test
public void testGetStart() {
Locale saved = Locale.getDefault();
Locale.setDefault(Locale.ITALY);
Calendar cal = Calendar.getInstance(Locale.ITALY);
cal.set(2006, Calendar.JANUARY, 16, 0, 0, 0);
cal.set(Calendar.MILLISECOND, 0);
Week w = new Week(3, 2006);
assertEquals(cal.getTime(), w.getStart());
Locale.setDefault(saved);
}
/**
* Some checks for the getEnd() method.
*/
@Test
public void testGetEnd() {
Locale saved = Locale.getDefault();
Locale.setDefault(Locale.ITALY);
Calendar cal = Calendar.getInstance(Locale.ITALY);
cal.set(2006, Calendar.JANUARY, 8, 23, 59, 59);
cal.set(Calendar.MILLISECOND, 999);
Week w = new Week(1, 2006);
assertEquals(cal.getTime(), w.getEnd());
Locale.setDefault(saved);
}
/**
* A test for a problem in constructing a new Week instance.
*/
@Test
public void testConstructor() {
Locale savedLocale = Locale.getDefault();
TimeZone savedZone = TimeZone.getDefault();
Locale.setDefault(new Locale("da", "DK"));
TimeZone.setDefault(TimeZone.getTimeZone("Europe/Copenhagen"));
GregorianCalendar cal = (GregorianCalendar) Calendar.getInstance(
TimeZone.getDefault(), Locale.getDefault());
// first day of week is monday
assertEquals(Calendar.MONDAY, cal.getFirstDayOfWeek());
cal.set(2007, Calendar.AUGUST, 26, 1, 0, 0);
cal.set(Calendar.MILLISECOND, 0);
Date t = cal.getTime();
Week w = new Week(t, TimeZone.getTimeZone("Europe/Copenhagen"), Locale.getDefault());
assertEquals(34, w.getWeek());
Locale.setDefault(Locale.US);
TimeZone.setDefault(TimeZone.getTimeZone("US/Detroit"));
cal = (GregorianCalendar) Calendar.getInstance(TimeZone.getDefault());
// first day of week is Sunday
assertEquals(Calendar.SUNDAY, cal.getFirstDayOfWeek());
cal.set(2007, Calendar.AUGUST, 26, 1, 0, 0);
cal.set(Calendar.MILLISECOND, 0);
t = cal.getTime();
w = new Week(t, TimeZone.getTimeZone("Europe/Copenhagen"), Locale.getDefault());
assertEquals(35, w.getWeek());
w = new Week(t, TimeZone.getTimeZone("Europe/Copenhagen"),
new Locale("da", "DK"));
assertEquals(34, w.getWeek());
Locale.setDefault(savedLocale);
TimeZone.setDefault(savedZone);
}
}