Package org.jfree.data.xy

Examples of org.jfree.data.xy.DefaultTableXYDataset

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    /**
     * Tests to see that pruning removes unwanted x values.
     */
    public void testPrune() {
        DefaultTableXYDataset dataset = new DefaultTableXYDataset();
        dataset.addSeries(createSeries1());
        dataset.addSeries(createSeries2());
        dataset.removeSeries(1);
        dataset.prune();
        assertEquals(4, dataset.getItemCount());
    }
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     * Tests the auto-pruning feature.
     */
    public void testAutoPrune() {

        // WITH AUTOPRUNING
        DefaultTableXYDataset dataset = new DefaultTableXYDataset(true);
        dataset.addSeries(createSeriesA());
        assertEquals(2, dataset.getItemCount());  // should be 2 items
        dataset.addSeries(createSeriesB());
        assertEquals(2, dataset.getItemCount());  // still 2
        dataset.removeSeries(1);
        assertEquals(1, dataset.getItemCount());  // 1 value pruned.

        // WITHOUT AUTOPRUNING
        DefaultTableXYDataset dataset2 = new DefaultTableXYDataset(true);
        dataset2.addSeries(createSeriesA());
        assertEquals(2, dataset2.getItemCount());  // should be 2 items
        dataset2.addSeries(createSeriesB());
        assertEquals(2, dataset2.getItemCount());  // still 2
        dataset2.removeSeries(1);
        assertEquals(1, dataset2.getItemCount());  // still 2.

    }
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     * no exceptions are thrown.
     */
    public void testDrawWithNullInfo() {
        boolean success = false;
        try {
            DefaultTableXYDataset dataset = new DefaultTableXYDataset();
       
            XYSeries s1 = new XYSeries("Series 1", true, false);
            s1.add(5.0, 5.0);
            s1.add(10.0, 15.5);
            s1.add(15.0, 9.5);
            s1.add(20.0, 7.5);
            dataset.addSeries(s1);
       
            XYSeries s2 = new XYSeries("Series 2", true, false);
            s2.add(5.0, 5.0);
            s2.add(10.0, 15.5);
            s2.add(15.0, 9.5);
            s2.add(20.0, 3.5);
            dataset.addSeries(s2);
            XYPlot plot = new XYPlot(dataset,
                    new NumberAxis("X"), new NumberAxis("Y"),
                    new XYLineAndShapeRenderer());
            plot.addAnnotation(new XYTitleAnnotation(5.0, 6.0,
                    new TextTitle("Hello World!")));
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     * no exceptions are thrown.
     */
    public void testDrawWithNullInfo() {
        boolean success = false;
        try {
            DefaultTableXYDataset dataset = new DefaultTableXYDataset();

            XYSeries s1 = new XYSeries("Series 1", true, false);
            s1.add(5.0, 5.0);
            s1.add(10.0, 15.5);
            s1.add(15.0, 9.5);
            s1.add(20.0, 7.5);
            dataset.addSeries(s1);

            XYSeries s2 = new XYSeries("Series 2", true, false);
            s2.add(5.0, 5.0);
            s2.add(10.0, 15.5);
            s2.add(15.0, 9.5);
            s2.add(20.0, 3.5);
            dataset.addSeries(s2);
            XYPlot plot = new XYPlot(dataset,
                    new NumberAxis("X"), new NumberAxis("Y"),
                    new XYLineAndShapeRenderer());
            plot.addAnnotation(new XYBoxAnnotation(10.0, 12.0, 3.0, 4.0,
                    new BasicStroke(1.2f), Color.red, Color.blue));
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    /**
     * Some checks for the findStackedRangeBounds() method.
     */
    public void testFindStackedRangeBoundsForTableXYDataset2() {
        DefaultTableXYDataset d = new DefaultTableXYDataset();
        Range r = DatasetUtilities.findStackedRangeBounds(d);
        assertEquals(r, new Range(0.0, 0.0));
    }
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     * Creates a sample dataset for testing purposes.
     *
     * @return A sample dataset.
     */
    private TableXYDataset createTableXYDataset1() {
        DefaultTableXYDataset dataset = new DefaultTableXYDataset();

        XYSeries s1 = new XYSeries("Series 1", true, false);
        s1.add(1.0, 1.0);
        s1.add(2.0, 2.0);
        dataset.addSeries(s1);

        XYSeries s2 = new XYSeries("Series 2", true, false);
        s2.add(1.0, -2.0);
        s2.add(2.0, -1.0);
        dataset.addSeries(s2);

        return dataset;
    }
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    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {

        DefaultTableXYDataset d1 = new DefaultTableXYDataset();
        XYSeries s1 = new XYSeries("Series 1", true, false);
        s1.add(1.0, 1.1);
        s1.add(2.0, 2.2);
        d1.addSeries(s1);

        DefaultTableXYDataset d2 = new DefaultTableXYDataset();
        XYSeries s2 = new XYSeries("Series 1", true, false);
        s2.add(1.0, 1.1);
        s2.add(2.0, 2.2);
        d2.addSeries(s2);

        assertTrue(d1.equals(d2));
        assertTrue(d2.equals(d1));

        s1.add(3.0, 3.3);
        assertFalse(d1.equals(d2));

        s2.add(3.0, 3.3);
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        DefaultTableXYDataset d1 = new DefaultTableXYDataset();
        XYSeries s1 = new XYSeries("Series 1", true, false);
        s1.add(1.0, 1.1);
        s1.add(2.0, 2.2);
        d1.addSeries(s1);

        DefaultTableXYDataset d2 = null;
        try {
            d2 = (DefaultTableXYDataset) d1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(d1 != d2);
        assertTrue(d1.getClass() == d2.getClass());
        assertTrue(d1.equals(d2));

        s1.add(3.0, 3.3);
        assertFalse(d1.equals(d2));
    }
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    /**
     * Verify that this class implements {@link PublicCloneable}.
     */
    public void testPublicCloneable() {
        DefaultTableXYDataset d1 = new DefaultTableXYDataset();
        assertTrue(d1 instanceof PublicCloneable);
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {

        DefaultTableXYDataset d1 = new DefaultTableXYDataset();
        XYSeries s1 = new XYSeries("Series 1", true, false);
        s1.add(1.0, 1.1);
        s1.add(2.0, 2.2);
        d1.addSeries(s1);

        DefaultTableXYDataset d2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(d1);
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