Examples of org.jfree.data.time.Week

org.jfree.data.time.Week
A calendar week. All years are considered to have 53 weeks, numbered from 1 to 53, although in many cases the 53rd week is empty. Most of the time, the 1st week of the year *begins* in the previous calendar year, but it always finishes in the current year (this behaviour matches the workings of the GregorianCalendar class).
This class is immutable, which is a requirement for all {@link RegularTimePeriod} subclasses.


    /**
     * 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);
    }

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    /**
     * 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));
    }

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    /**
     * Request the week before week 1, 1900: it should be <code>null</code>.
     */
    public void testW1Y1900Previous() {
        Week previous = (Week) this.w1Y1900.previous();
        assertNull(previous);
    }

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    /**
     * Request the week after week 1, 1900: it should be week 2, 1900.
     */
    public void testW1Y1900Next() {
        Week next = (Week) this.w1Y1900.next();
        assertEquals(this.w2Y1900, next);
    }

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    /**
     * Request the week before w52, 9999: it should be week 51, 9999.
     */
    public void testW52Y9999Previous() {
        Week previous = (Week) this.w52Y9999.previous();
        assertEquals(this.w51Y9999, previous);
    }

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    /**
     * Request the week after w52, 9999: it should be <code>null</code>.
     */
    public void testW52Y9999Next() {
        Week next = (Week) this.w52Y9999.next();
        assertNull(next);
    }

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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {


        Week w1 = new Week(24, 1999);
        Week w2 = null;


        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(w1);

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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        Week w1 = new Week(2, 2003);
        Week w2 = new Week(2, 2003);
        assertTrue(w1.equals(w2));
        int h1 = w1.hashCode();
        int h2 = w2.hashCode();
        assertEquals(h1, h2);
    }

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    /**
     * The {@link Week} class is immutable, so should not be {@link Cloneable}.
     */
    public void testNotCloneable() {
        Week w = new Week(1, 1999);
        assertFalse(w instanceof Cloneable);
    }

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     * 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
     */
    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));
    }

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