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.


    /**
     * 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);
    }

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    /**
     * 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);
    }

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    /**
     * 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);
    }

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

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    /**
     * 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);

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    /**
     * 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);
    }

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     * 
     * 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));   
    }

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     * 
     * 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));   
    }

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    public void testGetLastMillisecond() {
        Locale saved = Locale.getDefault();
        Locale.setDefault(Locale.UK);
        TimeZone savedZone = TimeZone.getDefault();
        TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
        Week w = new Week(31, 1970);
        assertEquals(18485999999L, w.getLastMillisecond());
        Locale.setDefault(saved);
        TimeZone.setDefault(savedZone);
    }

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    /**
     * Some checks for the getLastMillisecond(TimeZone) method.
     */
    public void testGetLastMillisecondWithTimeZone() {
        Week w = new Week(2, 1950);
        Locale saved = Locale.getDefault();
        Locale.setDefault(Locale.US);
        try {
            TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
            assertEquals(-629913600001L, w.getLastMillisecond(zone));
        }
        finally {
          Locale.setDefault(saved);
        }


        // try null zone
        boolean pass = false;
        try {
            w.getLastMillisecond((TimeZone) null);
        }
        catch (NullPointerException e) {
            pass = true;
        }
        assertTrue(pass);

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