Package org.jfree.data.general

Examples of org.jfree.data.general.DefaultPieDataset

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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        PieSectionEntity e1 = new PieSectionEntity(new Rectangle2D.Double(1.0,
                2.0, 3.0, 4.0), new DefaultPieDataset(), 1, 2, "Key",
                "ToolTip", "URL");
        PieSectionEntity e2 = null;
        try {
            e2 = (PieSectionEntity) e1.clone();
        }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        PieSectionEntity e1 = new PieSectionEntity(new Rectangle2D.Double(1.0,
                2.0, 3.0, 4.0), new DefaultPieDataset(), 1, 2, "Key",
                "ToolTip", "URL");
        PieSectionEntity e2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
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        StandardEntityCollection c1 = new StandardEntityCollection();
        StandardEntityCollection c2 = new StandardEntityCollection();
        assertTrue(c1.equals(c2));

        PieSectionEntity e1 = new PieSectionEntity(new Rectangle2D.Double(1.0,
                2.0, 3.0, 4.0), new DefaultPieDataset(), 0, 1, "Key",
                "ToolTip", "URL");
        c1.add(e1);
        assertFalse(c1.equals(c2));
        PieSectionEntity e2 = new PieSectionEntity(new Rectangle2D.Double(1.0,
                2.0, 3.0, 4.0), new DefaultPieDataset(), 0, 1, "Key",
                "ToolTip", "URL");
        c2.add(e2);
        assertTrue(c1.equals(c2));
    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        PieSectionEntity e1 = new PieSectionEntity(new Rectangle2D.Double(1.0,
                2.0, 3.0, 4.0), new DefaultPieDataset(), 0, 1, "Key",
                "ToolTip", "URL");
        StandardEntityCollection c1 = new StandardEntityCollection();
        c1.add(e1);
        StandardEntityCollection c2 = null;
        try {
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        PieSectionEntity e1 = new PieSectionEntity(new Rectangle2D.Double(1.0,
                2.0, 3.0, 4.0), new DefaultPieDataset(), 0, 1, "Key",
                "ToolTip", "URL");
        StandardEntityCollection c1 = new StandardEntityCollection();
        c1.add(e1);
        StandardEntityCollection c2 = null;
        try {
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    /**
     * Test that the generated URL is as expected.
     */
    public void testURL() {
        DefaultPieDataset dataset = new DefaultPieDataset();
        dataset.setValue("Alpha '1'", new Double(5.0));
        dataset.setValue("Beta", new Double(5.5));
        StandardPieURLGenerator g1 = new StandardPieURLGenerator(
                "chart.jsp", "category");
        String url = g1.generateURL(dataset, "Beta", 0);
        assertEquals("chart.jsp?category=Beta&pieIndex=0", url);
        url = g1.generateURL(dataset, "Alpha '1'", 0);
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    /**
     * Some tests for the clear() method.
     */
    public void testClear() {
        DefaultPieDataset d = new DefaultPieDataset();
        d.addChangeListener(this);
        // no event is generated if the dataset is already empty
        d.clear();
        assertNull(this.lastEvent);
        d.setValue("A", 1.0);
        assertEquals(1, d.getItemCount());
        this.lastEvent = null;
        d.clear();
        assertNotNull(this.lastEvent);
        assertEquals(0, d.getItemCount());
    }
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    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
        PieSectionEntity e1 = new PieSectionEntity(new Rectangle2D.Double(
                1.0, 2.0, 3.0, 4.0), new DefaultPieDataset(), 1, 2, "Key",
                "ToolTip", "URL");
        PieSectionEntity e2 = new PieSectionEntity(new Rectangle2D.Double(1.0,
                2.0, 3.0, 4.0), new DefaultPieDataset(), 1, 2, "Key",
                "ToolTip", "URL");
        assertTrue(e1.equals(e2));

        e1.setArea(new Rectangle2D.Double(4.0, 3.0, 2.0, 1.0));
        assertFalse(e1.equals(e2));
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        PieSectionEntity e1 = new PieSectionEntity(new Rectangle2D.Double(1.0,
                2.0, 3.0, 4.0), new DefaultPieDataset(), 1, 2, "Key",
                "ToolTip", "URL");
        PieSectionEntity e2 = null;
        try {
            e2 = (PieSectionEntity) e1.clone();
        }
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    /**
     * Some checks for the getKey(int) method.
     */
    public void testGetKey() {
        DefaultPieDataset d = new DefaultPieDataset();
        d.setValue("A", 1.0);
        d.setValue("B", 2.0);
        assertEquals("A", d.getKey(0));
        assertEquals("B", d.getKey(1));

        boolean pass = false;
        try {
            d.getKey(-1);
        }
        catch (IndexOutOfBoundsException e) {
            pass = true;
        }
        assertTrue(pass);

        pass = false;
        try {
            d.getKey(2);
        }
        catch (IndexOutOfBoundsException e) {
            pass = true;
        }
        assertTrue(pass);
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