Package org.jfree.data.xy

Examples of org.jfree.data.xy.DefaultTableXYDataset

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    /**
     * A test for bug report 788597.
     */
    public void test788597() {
        final DefaultTableXYDataset dataset = new DefaultTableXYDataset();
        dataset.addSeries(createSeries1());
        assertEquals(4, dataset.getItemCount());
        dataset.removeAllSeries();
        assertEquals(0, dataset.getItemCount());     
    }
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    /**
     * Test that removing all values for a given x works.
     */
    public void testRemoveAllValuesForX() {
        final 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() {
        final 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
        final 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
        final 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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        result.setIntervalWidth(0.0);
        return result;
    }
   
    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();
        DefaultTableXYDataset d2 = new DefaultTableXYDataset();
        assertTrue(d1.equals(d2));
        assertTrue(d2.equals(d1));

        d1.addSeries(createSeries1());
        assertFalse(d1.equals(d2));

        d2.addSeries(createSeries1());
        assertTrue(d1.equals(d2));

    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        DefaultTableXYDataset d1 = new DefaultTableXYDataset();
        d1.addSeries(createSeries1());
        DefaultTableXYDataset d2 = null;
        try {
            d2 = (DefaultTableXYDataset) d1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        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();
        d1.addSeries(createSeries2());
        DefaultTableXYDataset d2 = null;
       
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(d1);
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    public void testTableXYDataset() {
       
        XYSeries series1 = createSeries1();
        XYSeries series2 = createSeries2();
       
        DefaultTableXYDataset dataset = new DefaultTableXYDataset();
        dataset.addSeries(series1);
        dataset.addSeries(series2);

        //  Test that there are 6 X points and some specific values
        assertEquals(6, dataset.getItemCount());
        assertEquals(6, dataset.getX(0, 5).intValue());
        assertEquals(null, dataset.getY(0, 5));
        assertEquals(6, dataset.getX(1, 5).intValue());
        assertEquals(2, dataset.getY(1, 5).intValue());

        // after adding a point to a series, check that there are now 7
        // items in each series
        series2.add(7, 2);
        assertEquals(7, dataset.getItemCount());
        assertEquals(null, dataset.getY(0, 6));
        assertEquals(2, dataset.getY(1, 6).intValue());

        //  Remove series 1
        dataset.removeSeries(series1);
        //  Test that there are still 7 X points
        assertEquals(7, dataset.getItemCount());

        //  Remove series 2 and add new series
        dataset.removeSeries(series2);
        series1 = createSeries1();
        dataset.addSeries(series1);

        //  Test that there are now 4 X points
        assertEquals(4, dataset.getItemCount());

    }
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    /**
     * A test for bug report 788597.
     */
    public void test788597() {
        DefaultTableXYDataset dataset = new DefaultTableXYDataset();
        dataset.addSeries(createSeries1());
        assertEquals(4, dataset.getItemCount());
        dataset.removeAllSeries();
        assertEquals(0, dataset.getItemCount());     
    }
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