Examples of org.jfree.data.time.Year

org.jfree.data.time.Year
Represents a year in the range -9999 to 9999. This class is immutable, which is a requirement for all {@link RegularTimePeriod} subclasses.

     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        OHLCSeriesCollection c1 = new OHLCSeriesCollection();
        OHLCSeries s1 = new OHLCSeries("S");
        s1.add(new Year(2009), 1.0, 4.0, 0.5, 2.0);
        c1.addSeries(s1);
        OHLCSeriesCollection c2 = new OHLCSeriesCollection();
        OHLCSeries s2 = new OHLCSeries("S");
        s2.add(new Year(2009), 1.0, 4.0, 0.5, 2.0);
        c2.addSeries(s2);
        assertTrue(c1.equals(c2));
        int h1 = c1.hashCode();
        int h2 = c2.hashCode();
        assertEquals(h1, h2);

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        assertFalse(s1.equals(s2));
        s2 = new OHLCSeries("s2");
        assertTrue(s1.equals(s2));


        // add a value
        s1.add(new Year(2006), 2.0, 4.0, 1.0, 3.0);
        assertFalse(s1.equals(s2));
        s2.add(new Year(2006), 2.0, 4.0, 1.0, 3.0);
        assertTrue(s2.equals(s1));


        // add another value
        s1.add(new Year(2008), 2.0, 4.0, 1.0, 3.0);
        assertFalse(s1.equals(s2));
        s2.add(new Year(2008), 2.0, 4.0, 1.0, 3.0);
        assertTrue(s2.equals(s1));


        // remove a value
        s1.remove(new Year(2008));
        assertFalse(s1.equals(s2));
        s2.remove(new Year(2008));
        assertTrue(s2.equals(s1));
    }

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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        OHLCSeries s1 = new OHLCSeries("Test");
        s1.add(new Year(2009), 1.0, 3.0, 2.0, 1.4);
        OHLCSeries s2 = new OHLCSeries("Test");
        s2.add(new Year(2009), 1.0, 3.0, 2.0, 1.4);
        assertTrue(s1.equals(s2));
        int h1 = s1.hashCode();
        int h2 = s2.hashCode();
        assertEquals(h1, h2);
    }

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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        OHLCSeries s1 = new OHLCSeries("s1");
        s1.add(new Year(2006), 2.0, 4.0, 1.0, 3.0);
        OHLCSeries s2 = null;
        try {
            s2 = (OHLCSeries) s1.clone();
        }
        catch (CloneNotSupportedException e) {

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


        OHLCSeries s1 = new OHLCSeries("s1");
        s1.add(new Year(2006), 2.0, 4.0, 1.0, 3.0);
        OHLCSeries s2 = null;


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

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    /**
     * Simple test for the indexOf() method.
     */
    public void testIndexOf() {
        OHLCSeries s1 = new OHLCSeries("s1");
        s1.add(new Year(2006), 2.0, 4.0, 1.0, 3.0);
        s1.add(new Year(2011), 2.0, 4.0, 1.0, 3.0);
        s1.add(new Year(2010), 2.0, 4.0, 1.0, 3.0);
        assertEquals(0, s1.indexOf(new Year(2006)));
        assertEquals(1, s1.indexOf(new Year(2010)));
        assertEquals(2, s1.indexOf(new Year(2011)));
    }

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    /**
     * Simple test for the remove() method.
     */
    public void testRemove() {
        OHLCSeries s1 = new OHLCSeries("s1");
        s1.add(new Year(2006), 2.0, 4.0, 1.0, 3.0);
        s1.add(new Year(2011), 2.1, 4.1, 1.1, 3.1);
        s1.add(new Year(2010), 2.2, 4.2, 1.2, 3.2);
        assertEquals(3, s1.getItemCount());


        s1.remove(new Year(2010));
        assertEquals(new Year(2011), s1.getPeriod(1));


        s1.remove(new Year(2006));
        assertEquals(new Year(2011), s1.getPeriod(0));
    }

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    /**
     * A check for the remove(int) method.
     */
    public void testRemove_int() {
        OHLCSeries s1 = new OHLCSeries("s1");
        s1.add(new Year(2006), 2.0, 4.0, 1.0, 3.0);
        s1.add(new Year(2011), 2.1, 4.1, 1.1, 3.1);
        s1.add(new Year(2010), 2.2, 4.2, 1.2, 3.2);
        assertEquals(3, s1.getItemCount());


        s1.remove(s1.getItemCount() - 1);
        assertEquals(2, s1.getItemCount());
        assertEquals(new Year(2010), s1.getPeriod(1));
    }

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    /**
     * If you add a duplicate period, an exception should be thrown.
     */
    public void testAdditionOfDuplicatePeriod() {
        OHLCSeries s1 = new OHLCSeries("s1");
        s1.add(new Year(2006), 1.0, 1.0, 1.0, 1.0);
        boolean pass = false;
        try {
            s1.add(new Year(2006), 1.0, 1.0, 1.0, 1.0);
        }
        catch (SeriesException e) {
            pass = true;
        }
        assertTrue(pass);

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    public void testSetMaximumItemCount() {
        OHLCSeries s1 = new OHLCSeries("s1");
        assertEquals(Integer.MAX_VALUE, s1.getMaximumItemCount());
        s1.setMaximumItemCount(2);
        assertEquals(2, s1.getMaximumItemCount());
        s1.add(new Year(2006), 1.0, 1.1, 1.1, 1.1);
        s1.add(new Year(2007), 2.0, 2.2, 2.2, 2.2);
        s1.add(new Year(2008), 3.0, 3.3, 3.3, 3.3);
        assertEquals(new Year(2007), s1.getPeriod(0));
        assertEquals(new Year(2008), s1.getPeriod(1));
    }

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