/* ===========================================================
* 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.]
*
* -------------
* DayTests.java
* -------------
* (C) Copyright 2001-2009, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 15-Nov-2001 : Version 1 (DG);
* 20-Mar-2002 : Added new tests for Day constructor and getStart() and
* getEnd() in different time zones (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);
* 11-Jan-2005 : Added test for non-clonability (DG);
* 03-Oct-2006 : Added testGetSerialIndex() (DG);
* 11-Jul-2007 : Fixed bad time zone assumption (DG);
*
*/
package org.jfree.data.time;
import org.jfree.chart.date.MonthConstants;
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.text.ParseException;
import java.text.SimpleDateFormat;
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 Day} class.
*/
public class DayTest {
/**
* Check that a Day instance is equal to itself.
*
* SourceForge Bug ID: 558850.
*/
@Test
public void testEqualsSelf() {
Day day = new Day();
assertEquals(day, day);
}
/**
* Tests the equals method.
*/
@Test
public void testEquals() {
Day day1 = new Day(29, MonthConstants.MARCH, 2002);
Day day2 = new Day(29, MonthConstants.MARCH, 2002);
assertEquals(day1, day2);
}
/**
* In GMT, the end of 29 Feb 2004 is java.util.Date(1,078,099,199,999L).
* Use this to check the day constructor.
*/
@Test
public void testDateConstructor1() {
TimeZone zone = TimeZone.getTimeZone("GMT");
Calendar c = new GregorianCalendar(zone);
Locale locale = Locale.UK;
Day d1 = new Day(new Date(1078099199999L), zone, locale);
Day d2 = new Day(new Date(1078099200000L), zone, locale);
assertEquals(MonthConstants.FEBRUARY, d1.getMonth());
assertEquals(1078099199999L, d1.getLastMillisecond(c));
assertEquals(MonthConstants.MARCH, d2.getMonth());
assertEquals(1078099200000L, d2.getFirstMillisecond(c));
}
/**
* In Helsinki, the end of 29 Feb 2004 is
* java.util.Date(1,078,091,999,999L). Use this to check the Day
* constructor.
*/
@Test
public void testDateConstructor2() {
TimeZone zone = TimeZone.getTimeZone("Europe/Helsinki");
Calendar c = new GregorianCalendar(zone);
Locale locale = Locale.getDefault(); // locale shouldn't matter here
Day d1 = new Day(new Date(1078091999999L), zone, locale);
Day d2 = new Day(new Date(1078092000000L), zone, locale);
assertEquals(MonthConstants.FEBRUARY, d1.getMonth());
assertEquals(1078091999999L, d1.getLastMillisecond(c));
assertEquals(MonthConstants.MARCH, d2.getMonth());
assertEquals(1078092000000L, d2.getFirstMillisecond(c));
}
/**
* Set up a day equal to 1 January 1900. Request the previous day, it
* should be null.
*/
@Test
public void test1Jan1900Previous() {
Day jan1st1900 = new Day(1, MonthConstants.JANUARY, 1900);
Day previous = (Day) jan1st1900.previous();
assertNull(previous);
}
/**
* Set up a day equal to 1 January 1900. Request the next day, it should
* be 2 January 1900.
*/
@Test
public void test1Jan1900Next() {
Day jan1st1900 = new Day(1, MonthConstants.JANUARY, 1900);
Day next = (Day) jan1st1900.next();
assertEquals(2, next.getDayOfMonth());
}
/**
* Set up a day equal to 31 December 9999. Request the previous day, it
* should be 30 December 9999.
*/
@Test
public void test31Dec9999Previous() {
Day dec31st9999 = new Day(31, MonthConstants.DECEMBER, 9999);
Day previous = (Day) dec31st9999.previous();
assertEquals(30, previous.getDayOfMonth());
}
/**
* Set up a day equal to 31 December 9999. Request the next day, it should
* be null.
*/
@Test
public void test31Dec9999Next() {
Day dec31st9999 = new Day(31, MonthConstants.DECEMBER, 9999);
Day next = (Day) dec31st9999.next();
assertNull(next);
}
/**
* Problem for date parsing.
* <p>
* This test works only correct if the short pattern of the date
* format is "dd/MM/yyyy". If not, this test will result in a
* false negative.
*
* @throws ParseException on parsing errors.
*/
@Test
public void testParseDay() throws ParseException {
GregorianCalendar gc = new GregorianCalendar(2001, 12, 31);
SimpleDateFormat format = new SimpleDateFormat("dd/MM/yyyy");
Date reference = format.parse("31/12/2001");
if (reference.equals(gc.getTime())) {
// test 1...
Day d = Day.parseDay("31/12/2001");
assertEquals(37256, d.getSerialDate().toSerial());
}
// test 2...
Day d = Day.parseDay("2001-12-31");
assertEquals(37256, d.getSerialDate().toSerial());
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
Day d1 = new Day(15, 4, 2000);
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(d1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
buffer.toByteArray()));
Day d2 = (Day) in.readObject();
in.close();
assertEquals(d1, d2);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashcode() {
Day d1 = new Day(1, 2, 2003);
Day d2 = new Day(1, 2, 2003);
assertEquals(d1, d2);
int h1 = d1.hashCode();
int h2 = d2.hashCode();
assertEquals(h1, h2);
}
/**
* The {@link Day} class is immutable, so should not be {@link Cloneable}.
*/
@Test
public void testNotCloneable() {
Day d = new Day(1, 2, 2003);
assertFalse(d instanceof Cloneable);
}
/**
* Some checks for the getSerialIndex() method.
*/
@Test
public void testGetSerialIndex() {
Day d = new Day(1, 1, 1900);
assertEquals(2, d.getSerialIndex());
d = new Day(15, 4, 2000);
assertEquals(36631, d.getSerialIndex());
}
/**
* 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"));
Day d = new Day(1, 3, 1970);
assertEquals(5094000000L, d.getFirstMillisecond());
Locale.setDefault(saved);
TimeZone.setDefault(savedZone);
}
/**
* Some checks for the getFirstMillisecond(TimeZone) method.
*/
@Test
public void testGetFirstMillisecondWithTimeZone() {
Day d = new Day(26, 4, 1950);
TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
Calendar c = new GregorianCalendar(zone);
assertEquals(-621187200000L, d.getFirstMillisecond(c));
// try null calendar
try {
d.getFirstMillisecond(null);
fail("NullPointerException should have been thrown");
}
catch (NullPointerException e) {
// we expect to go in here
}
}
/**
* Some checks for the getFirstMillisecond(TimeZone) method.
*/
@Test
public void testGetFirstMillisecondWithCalendar() {
Day d = new Day(1, 12, 2001);
GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
assertEquals(1007164800000L, d.getFirstMillisecond(calendar));
// try null calendar
try {
d.getFirstMillisecond(null);
fail("NullPointerException should have been thrown");
}
catch (NullPointerException e) {
//we expect to 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"));
Day d = new Day(1, 1, 1970);
assertEquals(82799999L, d.getLastMillisecond());
Locale.setDefault(saved);
TimeZone.setDefault(savedZone);
}
/**
* Some checks for the getLastMillisecond(TimeZone) method.
*/
@Test
public void testGetLastMillisecondWithTimeZone() {
Day d = new Day(1, 2, 1950);
TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
Calendar c = new GregorianCalendar(zone);
assertEquals(-628358400001L, d.getLastMillisecond(c));
// try null calendar
try {
d.getLastMillisecond(null);
fail("NullPointerExcption should have been thrown");
}
catch (NullPointerException e) {
//we expect to go in here
}
}
/**
* Some checks for the getLastMillisecond(TimeZone) method.
*/
@Test
public void testGetLastMillisecondWithCalendar() {
Day d = new Day(4, 5, 2001);
Calendar calendar = Calendar.getInstance(
TimeZone.getTimeZone("Europe/London"), Locale.UK);
assertEquals(989017199999L, d.getLastMillisecond(calendar));
// try null calendar
try {
d.getLastMillisecond(null);
fail("NullPointerException should have been thrown");
}
catch (NullPointerException e) {
//we expect to go in here
}
}
/**
* Some checks for the testNext() method.
*/
@Test
public void testNext() {
Day d = new Day(25, 12, 2000);
d = (Day) d.next();
assertEquals(2000, d.getYear());
assertEquals(12, d.getMonth());
assertEquals(26, d.getDayOfMonth());
d = new Day(31, 12, 9999);
assertNull(d.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.NOVEMBER, 3, 0, 0, 0);
cal.set(Calendar.MILLISECOND, 0);
Day d = new Day(3, 11, 2006);
assertEquals(cal.getTime(), d.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(1900, Calendar.JANUARY, 1, 23, 59, 59);
cal.set(Calendar.MILLISECOND, 999);
Day d = new Day(1, 1, 1900);
assertEquals(cal.getTime(), d.getEnd());
Locale.setDefault(saved);
}
}