Package org.jfree.chart.renderer.category

Examples of org.jfree.chart.renderer.category.IntervalBarRenderer

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    /**
     * Problem that the equals() method distinguishes all fields.
     */
    public void testEquals() {
        IntervalBarRenderer r1 = new IntervalBarRenderer();
        IntervalBarRenderer r2 = new IntervalBarRenderer();
        assertEquals(r1, r2);

        // the renderer should not be equal to a BarRenderer
        BarRenderer br = new BarRenderer();
        assertFalse(r1.equals(br));
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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        IntervalBarRenderer r1 = new IntervalBarRenderer();
        IntervalBarRenderer r2 = new IntervalBarRenderer();
        assertTrue(r1.equals(r2));
        int h1 = r1.hashCode();
        int h2 = r2.hashCode();
        assertEquals(h1, h2);
    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        IntervalBarRenderer r1 = new IntervalBarRenderer();
        IntervalBarRenderer r2 = null;
        try {
            r2 = (IntervalBarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
    }
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    /**
     * Check that this class implements PublicCloneable.
     */
    public void testPublicCloneable() {
        IntervalBarRenderer r1 = new IntervalBarRenderer();
        assertTrue(r1 instanceof PublicCloneable);
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        IntervalBarRenderer r1 = new IntervalBarRenderer();
        IntervalBarRenderer r2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(r1);
            out.close();
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            double[][] starts = new double[][] {{0.1, 0.2, 0.3},
                    {0.3, 0.4, 0.5}};
            double[][] ends = new double[][] {{0.5, 0.6, 0.7}, {0.7, 0.8, 0.9}};
            DefaultIntervalCategoryDataset dataset
                    = new DefaultIntervalCategoryDataset(starts, ends);
            IntervalBarRenderer renderer = new IntervalBarRenderer();
            CategoryPlot plot = new CategoryPlot(dataset,
                    new CategoryAxis("Category"), new NumberAxis("Value"),
                    renderer);
            JFreeChart chart = new JFreeChart(plot);
            /* BufferedImage image = */ chart.createBufferedImage(300, 200,
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    /**
     * Some checks for the findRangeBounds() method.
     */
    public void testFindRangeBounds() {
        IntervalBarRenderer r = new IntervalBarRenderer();
        assertNull(r.findRangeBounds(null));

        // an empty dataset should return a null range
        DefaultIntervalCategoryDataset dataset
                = new DefaultIntervalCategoryDataset(new double[0][0],
                new double[0][0]);
        assertNull(r.findRangeBounds(dataset));

        double[][] starts = new double[][] {{0.1, 0.2, 0.3}, {0.3, 0.4, 0.5}};
        double[][] ends = new double[][] {{0.5, 0.6, 0.7}, {0.7, 0.8, 0.9}};
        dataset = new DefaultIntervalCategoryDataset(starts, ends);
        assertEquals(new Range(0.0, 0.9), r.findRangeBounds(dataset));
        r.setIncludeBaseInRange(false);
        assertEquals(new Range(0.1, 0.9), r.findRangeBounds(dataset));
        r.setIncludeBaseInRange(true);

        r.setSeriesVisible(1, Boolean.FALSE);
        assertEquals(new Range(0.0, 0.7), r.findRangeBounds(dataset));
    }
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    /**
     * Problem that the equals() method distinguishes all fields.
     */
    public void testEquals() {
        IntervalBarRenderer r1 = new IntervalBarRenderer();
        IntervalBarRenderer r2 = new IntervalBarRenderer();
        assertEquals(r1, r2);

        // the renderer should not be equal to a BarRenderer
        BarRenderer br = new BarRenderer();
        assertFalse(r1.equals(br));
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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        IntervalBarRenderer r1 = new IntervalBarRenderer();
        IntervalBarRenderer r2 = new IntervalBarRenderer();
        assertTrue(r1.equals(r2));
        int h1 = r1.hashCode();
        int h2 = r2.hashCode();
        assertEquals(h1, h2);
    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        IntervalBarRenderer r1 = new IntervalBarRenderer();
        IntervalBarRenderer r2 = null;
        try {
            r2 = (IntervalBarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("Failed to clone.");
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
    }
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Related Classes of org.jfree.chart.renderer.category.IntervalBarRenderer

  • org.jfree.chart.entity.CategoryItemEntity
  • org.jfree.chart.entity.EntityCollection
  • org.jfree.chart.labels.CategoryItemLabelGenerator
  • org.jfree.chart.labels.CategoryLabelGenerator
  • org.jfree.chart.labels.CategoryToolTipGenerator
  • org.jfree.chart.plot.PlotOrientation
  • org.jfree.chart.renderer.category.junit.IntervalBarRendererTests
  • org.jfree.chart.ui.RectangleEdge
  • org.jfree.data.category.IntervalCategoryDataset
  • org.jfree.ui.RectangleEdge
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