/* ===========================================================
* 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.]
*
* --------------
* YearTests.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);
* 19-Mar-2002 : Added tests for constructor that uses java.util.Date to ensure
* it is consistent with the getStart() and getEnd() methods (DG);
* 17-Oct-2002 : Fixed errors reported by Checkstyle (DG);
* 13-Mar-2003 : Added serialization test (DG);
* 11-Jan-2005 : Added test for non-clonability (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.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 Year} class.
*/
public class YearTest {
/**
* Check that a Year instance is equal to itself.
*
* SourceForge Bug ID: 558850.
*/
@Test
public void testEqualsSelf() {
Year year = new Year();
assertEquals(year, year);
}
/**
* Tests the equals method.
*/
@Test
public void testEquals() {
Year year1 = new Year(2002);
Year year2 = new Year(2002);
assertEquals(year1, year2);
year1 = new Year(1999);
assertFalse(year1.equals(year2));
year2 = new Year(1999);
assertEquals(year1, year2);
}
/**
* In GMT, the end of 2001 is java.util.Date(1009843199999L). Use this to
* check the year constructor.
*/
@Test
public void testDateConstructor1() {
TimeZone zone = TimeZone.getTimeZone("GMT");
Calendar c = new GregorianCalendar(zone);
Date d1 = new Date(1009843199999L);
Date d2 = new Date(1009843200000L);
Year y1 = new Year(d1, zone, Locale.getDefault());
Year y2 = new Year(d2, zone, Locale.getDefault());
assertEquals(2001, y1.getYear());
assertEquals(1009843199999L, y1.getLastMillisecond(c));
assertEquals(2002, y2.getYear());
assertEquals(1009843200000L, y2.getFirstMillisecond(c));
}
/**
* In Los Angeles, the end of 2001 is java.util.Date(1009871999999L). Use
* this to check the year constructor.
*/
@Test
public void testDateConstructor2() {
TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
Calendar c = new GregorianCalendar(zone);
Year y1 = new Year(new Date(1009871999999L), zone, Locale.getDefault());
Year y2 = new Year(new Date(1009872000000L), zone, Locale.getDefault());
assertEquals(2001, y1.getYear());
assertEquals(1009871999999L, y1.getLastMillisecond(c));
assertEquals(2002, y2.getYear());
assertEquals(1009872000000L, y2.getFirstMillisecond(c));
}
/**
* Set up a year equal to 1900. Request the previous year, it should be
* null.
*/
@Test
public void testMinuss9999Previous() {
Year current = new Year(-9999);
Year previous = (Year) current.previous();
assertNull(previous);
}
/**
* Set up a year equal to 1900. Request the next year, it should be 1901.
*/
@Test
public void test1900Next() {
Year current = new Year(1900);
Year next = (Year) current.next();
assertEquals(1901, next.getYear());
}
/**
* Set up a year equal to 9999. Request the previous year, it should be
* 9998.
*/
@Test
public void test9999Previous() {
Year current = new Year(9999);
Year previous = (Year) current.previous();
assertEquals(9998, previous.getYear());
}
/**
* Set up a year equal to 9999. Request the next year, it should be null.
*/
@Test
public void test9999Next() {
Year current = new Year(9999);
Year next = (Year) current.next();
assertNull(next);
}
/**
* Tests the year string parser.
*/
@Test
public void testParseYear() {
// test 1...
Year year = Year.parseYear("2000");
assertEquals(2000, year.getYear());
// test 2...
year = Year.parseYear(" 2001 ");
assertEquals(2001, year.getYear());
// test 3...
year = Year.parseYear("99");
assertEquals(99, year.getYear());
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
Year y1 = new Year(1999);
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(y1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
Year y2 = (Year) in.readObject();
in.close();
assertEquals(y1, y2);
}
/**
* The {@link Year} class is immutable, so should not be {@link Cloneable}.
*/
@Test
public void testNotCloneable() {
Year y = new Year(1999);
assertFalse(y instanceof Cloneable);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashcode() {
Year y1 = new Year(1988);
Year y2 = new Year(1988);
assertEquals(y1, y2);
int h1 = y1.hashCode();
int h2 = y2.hashCode();
assertEquals(h1, h2);
}
/**
* 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"));
Year y = new Year(1970);
// TODO: Check this result...
assertEquals(-3600000L, y.getFirstMillisecond());
Locale.setDefault(saved);
TimeZone.setDefault(savedZone);
}
/**
* Some checks for the getFirstMillisecond(TimeZone) method.
*/
@Test
public void testGetFirstMillisecondWithTimeZone() {
Year y = new Year(1950);
TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
Calendar c = new GregorianCalendar(zone);
assertEquals(-631123200000L, y.getFirstMillisecond(c));
// try null calendar
try {
y.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() {
Year y = new Year(2001);
GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
assertEquals(978307200000L, y.getFirstMillisecond(calendar));
// try null calendar
try {
y.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"));
Year y = new Year(1970);
// TODO: Check this result...
assertEquals(31532399999L, y.getLastMillisecond());
Locale.setDefault(saved);
TimeZone.setDefault(savedZone);
}
/**
* Some checks for the getLastMillisecond(TimeZone) method.
*/
@Test
public void testGetLastMillisecondWithTimeZone() {
Year y = new Year(1950);
TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
Calendar c = new GregorianCalendar(zone);
assertEquals(-599587200001L, y.getLastMillisecond(c));
// try null calendar
try {
y.getLastMillisecond(null);
fail("NullPointerException should have been thrown");
}
catch (NullPointerException e) {
//we expect to go in here
}
}
/**
* Some checks for the getLastMillisecond(TimeZone) method.
*/
@Test
public void testGetLastMillisecondWithCalendar() {
Year y = new Year(2001);
GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
assertEquals(1009843199999L, y.getLastMillisecond(calendar));
// try null calendar
try {
y.getLastMillisecond(null);
fail("NullPointerException should have been thrown");
}
catch (NullPointerException e) {
//we expect to go in here
}
}
/**
* Some checks for the getSerialIndex() method.
*/
@Test
public void testGetSerialIndex() {
Year y = new Year(2000);
assertEquals(2000L, y.getSerialIndex());
}
/**
* Some checks for the testNext() method.
*/
@Test
public void testNext() {
Year y = new Year(2000);
y = (Year) y.next();
assertEquals(2001, y.getYear());
y = new Year(9999);
assertNull(y.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, 1, 0, 0, 0);
cal.set(Calendar.MILLISECOND, 0);
Year y = new Year(2006);
assertEquals(cal.getTime(), y.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.DECEMBER, 31, 23, 59, 59);
cal.set(Calendar.MILLISECOND, 999);
Year y = new Year(2006);
assertEquals(cal.getTime(), y.getEnd());
Locale.setDefault(saved);
}
}