/* ===========================================================
* 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.]
*
* ---------------
* MonthTests.java
* ---------------
* (C) Copyright 2001-2008, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 16-Nov-2001 : Version 1 (DG);
* 14-Feb-2002 : Order of parameters in Month(int, int) constructor
* changed (DG);
* 26-Jun-2002 : Removed unnecessary import (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 non-clonability test (DG);
* 05-Oct-2006 : Added some new tests (DG);
* 11-Jul-2007 : Fixed bad time zone assumption (DG);
*
*/
package org.jfree.data.time;
import org.jfree.chart.date.MonthConstants;
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 Month} class.
*/
public class MonthTest {
/** A month. */
private Month jan1900;
/** A month. */
private Month feb1900;
/** A month. */
private Month nov9999;
/** A month. */
private Month dec9999;
/**
* Common test setup.
*/
@Before
public void setUp() {
this.jan1900 = new Month(MonthConstants.JANUARY, 1900);
this.feb1900 = new Month(MonthConstants.FEBRUARY, 1900);
this.nov9999 = new Month(MonthConstants.NOVEMBER, 9999);
this.dec9999 = new Month(MonthConstants.DECEMBER, 9999);
}
/**
* Check that a Month instance is equal to itself.
*
* SourceForge Bug ID: 558850.
*/
@Test
public void testEqualsSelf() {
Month month = new Month();
assertEquals(month, month);
}
/**
* Tests the equals method.
*/
@Test
public void testEquals() {
Month m1 = new Month(MonthConstants.MAY, 2002);
Month m2 = new Month(MonthConstants.MAY, 2002);
assertEquals(m1, m2);
}
/**
* In GMT, the end of Feb 2000 is java.util.Date(951,868,799,999L). Use
* this to check the Month constructor.
*/
@Test
public void testDateConstructor1() {
TimeZone zone = TimeZone.getTimeZone("GMT");
Calendar c = new GregorianCalendar(zone);
Locale locale = Locale.UK;
Month m1 = new Month(new Date(951868799999L), zone, locale);
Month m2 = new Month(new Date(951868800000L), zone, locale);
assertEquals(MonthConstants.FEBRUARY, m1.getMonth());
assertEquals(951868799999L, m1.getLastMillisecond(c));
assertEquals(MonthConstants.MARCH, m2.getMonth());
assertEquals(951868800000L, m2.getFirstMillisecond(c));
}
/**
* In Auckland, the end of Feb 2000 is java.util.Date(951,821,999,999L).
* Use this to check the Month constructor.
*/
@Test
public void testDateConstructor2() {
TimeZone zone = TimeZone.getTimeZone("Pacific/Auckland");
Calendar c = new GregorianCalendar(zone);
Month m1 = new Month(new Date(951821999999L), zone, Locale.UK);
Month m2 = new Month(new Date(951822000000L), zone, Locale.UK);
assertEquals(MonthConstants.FEBRUARY, m1.getMonth());
assertEquals(951821999999L, m1.getLastMillisecond(c));
assertEquals(MonthConstants.MARCH, m2.getMonth());
assertEquals(951822000000L, m2.getFirstMillisecond(c));
}
/**
* Set up a month equal to Jan 1900. Request the previous month, it should
* be null.
*/
@Test
public void testJan1900Previous() {
Month previous = (Month) this.jan1900.previous();
assertNull(previous);
}
/**
* Set up a month equal to Jan 1900. Request the next month, it should be
* Feb 1900.
*/
@Test
public void testJan1900Next() {
Month next = (Month) this.jan1900.next();
assertEquals(this.feb1900, next);
}
/**
* Set up a month equal to Dec 9999. Request the previous month, it should
* be Nov 9999.
*/
@Test
public void testDec9999Previous() {
Month previous = (Month) this.dec9999.previous();
assertEquals(this.nov9999, previous);
}
/**
* Set up a month equal to Dec 9999. Request the next month, it should be
* null.
*/
@Test
public void testDec9999Next() {
Month next = (Month) this.dec9999.next();
assertNull(next);
}
/**
* Tests the string parsing code...
*/
@Test
public void testParseMonth() {
Month month = Month.parseMonth("1990-01");
assertEquals(1, month.getMonth());
assertEquals(1990, month.getYear().getYear());
month = Month.parseMonth("02-1991");
assertEquals(2, month.getMonth());
assertEquals(1991, month.getYear().getYear());
month = Month.parseMonth("March 1993");
assertEquals(3, month.getMonth());
assertEquals(1993, month.getYear().getYear());
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
Month m1 = new Month(12, 1999);
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(m1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
Month m2 = (Month) in.readObject();
in.close();
assertEquals(m1, m2);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashcode() {
Month m1 = new Month(2, 2003);
Month m2 = new Month(2, 2003);
assertEquals(m1, m2);
int h1 = m1.hashCode();
int h2 = m2.hashCode();
assertEquals(h1, h2);
}
/**
* The {@link Month} class is immutable, so should not be {@link Cloneable}.
*/
@Test
public void testNotCloneable() {
Month m = new Month(2, 2003);
assertFalse(m instanceof Cloneable);
}
/**
* 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"));
Month m = new Month(3, 1970);
assertEquals(5094000000L, m.getFirstMillisecond());
Locale.setDefault(saved);
TimeZone.setDefault(savedZone);
}
/**
* Some checks for the getFirstMillisecond(TimeZone) method.
*/
@Test
public void testGetFirstMillisecondWithTimeZone() {
Month m = new Month(2, 1950);
TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
Calendar c = new GregorianCalendar(zone);
assertEquals(-628444800000L, m.getFirstMillisecond(c));
// try null calendar
try {
m.getFirstMillisecond(null);
fail("NullPointerException should have been thrown on null parameter");
}
catch (NullPointerException e) {
//we expect to go in here
}
}
/**
* Some checks for the getFirstMillisecond(TimeZone) method.
*/
@Test
public void testGetFirstMillisecondWithCalendar() {
Month m = new Month(1, 2001);
GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
assertEquals(978307200000L, m.getFirstMillisecond(calendar));
// try null calendar
try {
m.getFirstMillisecond(null);
fail("NullPointerException should have been thrown on null parameter");
}
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"));
Month m = new Month(3, 1970);
assertEquals(7772399999L, m.getLastMillisecond());
Locale.setDefault(saved);
TimeZone.setDefault(savedZone);
}
/**
* Some checks for the getLastMillisecond(TimeZone) method.
*/
@Test
public void testGetLastMillisecondWithTimeZone() {
Month m = new Month(2, 1950);
TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
Calendar c = new GregorianCalendar(zone);
assertEquals(-626025600001L, m.getLastMillisecond(c));
// try null calendar
try {
m.getLastMillisecond(null);
fail("NullPointerException should have been thrown on null parameter");
}
catch (NullPointerException e) {
// we expect to go in here
}
}
/**
* Some checks for the getLastMillisecond(TimeZone) method.
*/
@Test
public void testGetLastMillisecondWithCalendar() {
Month m = new Month(3, 2001);
GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
assertEquals(986083199999L, m.getLastMillisecond(calendar));
// try null calendar
try {
m.getLastMillisecond(null);
fail("NullPointerException should have been thrown on null parameter");
}
catch (NullPointerException e) {
//we expect to go in here
}
}
/**
* Some checks for the getSerialIndex() method.
*/
@Test
public void testGetSerialIndex() {
Month m = new Month(1, 2000);
assertEquals(24001L, m.getSerialIndex());
m = new Month(1, 1900);
assertEquals(22801L, m.getSerialIndex());
}
/**
* Some checks for the testNext() method.
*/
@Test
public void testNext() {
Month m = new Month(12, 2000);
m = (Month) m.next();
assertEquals(new Year(2001), m.getYear());
assertEquals(1, m.getMonth());
m = new Month(12, 9999);
assertNull(m.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.MARCH, 1, 0, 0, 0);
cal.set(Calendar.MILLISECOND, 0);
Month m = new Month(3, 2006);
assertEquals(cal.getTime(), m.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, 31, 23, 59, 59);
cal.set(Calendar.MILLISECOND, 999);
Month m = new Month(1, 2006);
assertEquals(cal.getTime(), m.getEnd());
Locale.setDefault(saved);
}
}