Package org.jfree.data.xy

Examples of org.jfree.data.xy.DefaultTableXYDataset

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    /**
     * Test that removing all values for a given x works.
     */
    public void testRemoveAllValuesForX() {
        DefaultTableXYDataset dataset = new DefaultTableXYDataset();
        dataset.addSeries(createSeries1());
        dataset.addSeries(createSeries2());
        dataset.removeAllValuesForX(new Double(2.0));
        assertEquals(5, dataset.getItemCount());
        assertEquals(new Double(1.0), dataset.getX(0, 0));
        assertEquals(new Double(3.0), dataset.getX(0, 1));
        assertEquals(new Double(4.0), dataset.getX(0, 2));
        assertEquals(new Double(5.0), dataset.getX(0, 3));
        assertEquals(new Double(6.0), dataset.getX(0, 4));
    }
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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 (particularly by code in the renderer).
     */
    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 XYStepRenderer());
            JFreeChart chart = new JFreeChart(plot);
            /* BufferedImage image = */ chart.createBufferedImage(300, 200,
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     * Creates and returns a sample dataset for testing purposes.
     *
     * @return A sample dataset.
     */
    public static TableXYDataset createTestTableXYDataset() {
        DefaultTableXYDataset result = new DefaultTableXYDataset();
        XYSeries series1 = new XYSeries("Series 1", false, false);
        series1.add(1.0, 2.0);
        series1.add(2.0, 5.0);
        XYSeries series2 = new XYSeries("Series 2", false, false);
        series2.add(1.0, 4.0);
        series2.add(2.0, 3.0);
        result.addSeries(series1);
        result.addSeries(series2);
        return result;
    }
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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));
    }
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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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     * This is a test for bug 1312066 - adding a new series should trigger a
     * recalculation of the interval width, if it is being automatically
     * calculated.
     */
    public void testAddSeries() {
        DefaultTableXYDataset d1 = new DefaultTableXYDataset();
        d1.setAutoWidth(true);
        XYSeries s1 = new XYSeries("Series 1", true, false);
        s1.add(3.0, 1.1);
        s1.add(7.0, 2.2);
        d1.addSeries(s1);
        assertEquals(3.0, d1.getXValue(0, 0), EPSILON);
        assertEquals(7.0, d1.getXValue(0, 1), EPSILON);
        assertEquals(1.0, d1.getStartXValue(0, 0), EPSILON);
        assertEquals(5.0, d1.getStartXValue(0, 1), EPSILON);
        assertEquals(5.0, d1.getEndXValue(0, 0), EPSILON);
        assertEquals(9.0, d1.getEndXValue(0, 1), EPSILON);

        // now add another series
        XYSeries s2 = new XYSeries("Series 2", true, false);
        s2.add(7.5, 1.1);
        s2.add(9.0, 2.2);      
        d1.addSeries(s2);
        assertEquals(3.0, d1.getXValue(1, 0), EPSILON);
        assertEquals(7.0, d1.getXValue(1, 1), EPSILON);
        assertEquals(7.5, d1.getXValue(1, 2), EPSILON);
        assertEquals(9.0, d1.getXValue(1, 3), EPSILON);
       
        assertEquals(7.25, d1.getStartXValue(1, 2), EPSILON);
        assertEquals(8.75, d1.getStartXValue(1, 3), EPSILON);
        assertEquals(7.75, d1.getEndXValue(1, 2), EPSILON);
        assertEquals(9.25, d1.getEndXValue(1, 3), EPSILON);

        // and check the first series too...
        assertEquals(2.75, d1.getStartXValue(0, 0), EPSILON);
        assertEquals(6.75, d1.getStartXValue(0, 1), EPSILON);
        assertEquals(3.25, d1.getEndXValue(0, 0), EPSILON);
        assertEquals(7.25, d1.getEndXValue(0, 1), EPSILON);
    }
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    /**
     * Some basic checks for the getSeries() method.
     */
    public void testGetSeries() {
        DefaultTableXYDataset d1 = new DefaultTableXYDataset();
        XYSeries s1 = new XYSeries("Series 1", true, false);
        d1.addSeries(s1);
        assertEquals("Series 1", d1.getSeries(0).getKey());
       
        boolean pass = false;
        try {
            d1.getSeries(-1);
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        assertTrue(pass);
       
        pass = false;
        try {
            d1.getSeries(1);
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        assertTrue(pass);
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