/* ===========================================================

 * JFreeChart : a free chart library for the Java(tm) platform

 * ===========================================================

 *

 * (C) Copyright 2000-2004, 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., 59 Temple Place, Suite 330,

 * Boston, MA 02111-1307, USA.

 *

 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 

 * in the United States and other countries.]

 *

 * --------------

 * WeekTests.java

 * --------------

 * (C) Copyright 2002-2004, by Object Refinery Limited.

 *

 * Original Author:  David Gilbert (for Object Refinery Limited);

 * Contributor(s):   -;

 *

 * $Id: WeekTests.java,v 1.1 2004/08/31 15:34:54 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(final 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 <code>null</code>.

     */

    public void testW1Y1900Previous() {

        final Week previous = (Week) this.w1Y1900.previous();

        assertNull(previous);

    }



    /**

     * Request the week after week 1, 1900: it should be week 2, 1900.

     */

    public void testW1Y1900Next() {

        final 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() {

        final Week previous = (Week) this.w52Y9999.previous();

        assertEquals(this.w51Y9999, previous);

    }



    /**

     * Request the week after w52, 9999: it should be <code>null</code>.

     */

    public void testW52Y9999Next() {

        final Week next = (Week) this.w52Y9999.next();

        assertNull(next);

    }



    /**

     * Serialize an instance, restore it, and check for equality.

     */

    public void testSerialization() {



        final Week w1 = new Week(24, 1999);

        Week w2 = null;



        try {

            final ByteArrayOutputStream buffer = new ByteArrayOutputStream();

            final ObjectOutput out = new ObjectOutputStream(buffer);

            out.writeObject(w1);

            out.close();



            final 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() {

        final Week w1 = new Week(2, 2003);

        final Week w2 = new Week(2, 2003);

        assertTrue(w1.equals(w2));

        final int h1 = w1.hashCode();

        final int h2 = w2.hashCode();

        assertEquals(h1, h2);

    }

    

    /**

     * The first week in 2005 should span the range:

     * 

     * 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

     * 

     * In London and Paris, Monday is the first day of the week, while in the US it is

     * Sunday.

     */

    public void testWeek12005() {

        Week w1 = new Week(1, 2005);

        Calendar c1 = Calendar.getInstance(TimeZone.getTimeZone("Europe/London"), Locale.UK);

        assertEquals(1104105600000L, w1.getFirstMillisecond(c1));

        assertEquals(1104710399999L, w1.getLastMillisecond(c1));

        Calendar c2 = Calendar.getInstance(TimeZone.getTimeZone("Europe/Paris"), Locale.FRANCE);

        assertEquals(1104102000000L, w1.getFirstMillisecond(c2));

        assertEquals(1104706799999L, 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 2005 should span the range:

     * 

     * TimeZone         | Start Millis  | End Millis    | Start Date  | End Date

     * -----------------+---------------+---------------+-------------+------------

     * Europe/London    | 1135555199999 | 1135555199999 | 26-Dec-2005 | 26-Dec-2005

     * Europe/Paris     | 1135551599999 | 1135551599999 | 26-Dec-2005 | 26-Dec-2005

     * 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, 2005);

        Calendar c1 = Calendar.getInstance(TimeZone.getTimeZone("Europe/London"), Locale.UK);

        assertEquals(1135555200000L, w1.getFirstMillisecond(c1));

        assertEquals(1135555200000L, w1.getLastMillisecond(c1));

        Calendar c2 = Calendar.getInstance(TimeZone.getTimeZone("Europe/Paris"), Locale.FRANCE);

        assertEquals(1135551600000L, w1.getFirstMillisecond(c2));

        assertEquals(1135551600000L, w1.getLastMillisecond(c2));

        Calendar c3 = Calendar.getInstance(TimeZone.getTimeZone("America/New_York"), Locale.US);

        assertEquals(1135486800000L, w1.getFirstMillisecond(c3));

        assertEquals(1136091599999L, w1.getLastMillisecond(c3));   

    }



}

