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.


    /**
     * Some checks for the testNext() method.
     */
    public void testNext() {
        Week w = new Week(12, 2000);
        w = (Week) w.next();
        assertEquals(new Year(2000), w.getYear());
        assertEquals(13, w.getWeek());
        w = new Week(53, 9999);
        assertNull(w.next());
    }

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        Locale saved = Locale.getDefault();
        Locale.setDefault(Locale.ITALY);
        Calendar cal = Calendar.getInstance(Locale.ITALY);
        cal.set(2006, Calendar.JANUARY, 16, 0, 0, 0);
        cal.set(Calendar.MILLISECOND, 0);
        Week w = new Week(3, 2006);
        assertEquals(cal.getTime(), w.getStart());
        Locale.setDefault(saved);
    }

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        Locale saved = Locale.getDefault();
        Locale.setDefault(Locale.ITALY);
        Calendar cal = Calendar.getInstance(Locale.ITALY);
        cal.set(2006, Calendar.JANUARY, 8, 23, 59, 59);
        cal.set(Calendar.MILLISECOND, 999);
        Week w = new Week(1, 2006);
        assertEquals(cal.getTime(), w.getEnd());
        Locale.setDefault(saved);
    }

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        // first day of week is monday
        assertEquals(Calendar.MONDAY, cal.getFirstDayOfWeek());
        cal.set(2007, Calendar.AUGUST, 26, 1, 0, 0);
        cal.set(Calendar.MILLISECOND, 0);
        Date t = cal.getTime();
        Week w = new Week(t, TimeZone.getTimeZone("Europe/Copenhagen"));
        assertEquals(34, w.getWeek());


        Locale.setDefault(Locale.US);
        TimeZone.setDefault(TimeZone.getTimeZone("US/Detroit"));
        cal = (GregorianCalendar) Calendar.getInstance(TimeZone.getDefault());
        // first day of week is Sunday
        assertEquals(Calendar.SUNDAY, cal.getFirstDayOfWeek());
        cal.set(2007, Calendar.AUGUST, 26, 1, 0, 0);
        cal.set(Calendar.MILLISECOND, 0);


        t = cal.getTime();
        w = new Week(t, TimeZone.getTimeZone("Europe/Copenhagen"));
        assertEquals(35, w.getWeek());
        w = new Week(t, TimeZone.getTimeZone("Europe/Copenhagen"),
                new Locale("da", "DK"));
        assertEquals(34, w.getWeek());


        Locale.setDefault(savedLocale);
        TimeZone.setDefault(savedZone);
    }

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    /**
     * 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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