Package org.jfree.chart.plot.dial

Examples of org.jfree.chart.plot.dial.DialCap

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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        // test a default instance
        DialCap c1 = new DialCap();
        DialCap c2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(c1);
            out.close();

            ObjectInput in = new ObjectInputStream(
                    new ByteArrayInputStream(buffer.toByteArray()));
            c2 = (DialCap) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(c1, c2);
       
        // test a custom instance
        c1 = new DialCap();
        c1.setFillPaint(new GradientPaint(1.0f, 2.0f, Color.blue,
                3.0f, 4.0f, Color.green));
        c1.setOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.white,
                3.0f, 4.0f, Color.gray));
        c1.setOutlineStroke(new BasicStroke(2.0f));
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    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
        DialCap c1 = new DialCap();
        DialCap c2 = new DialCap();
        assertTrue(c1.equals(c2));
       
        // visible
        c1.setVisible(false);
        assertFalse(c1.equals(c2));
        c2.setVisible(false);
        assertTrue(c1.equals(c2));
    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        // test a default instance
        DialCap c1 = new DialCap();
        DialCap c2 = null;
        try {
            c2 = (DialCap) c1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(c1 != c2);
        assertTrue(c1.getClass() == c2.getClass());
        assertTrue(c1.equals(c2));
       
        // check that the listener lists are independent
        MyDialLayerChangeListener l1 = new MyDialLayerChangeListener();
        c1.addChangeListener(l1);
        assertTrue(c1.hasListener(l1));
        assertFalse(c2.hasListener(l1));
    }
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        assertFalse(p1.equals(p2));
        p2.setBackground(null);
        assertTrue(p1.equals(p2));
       
        // dial cap
        DialCap cap1 = new DialCap();
        cap1.setFillPaint(Color.red);
        p1.setCap(cap1);
        assertFalse(p1.equals(p2));
        DialCap cap2 = new DialCap();
        cap2.setFillPaint(Color.red);
        p2.setCap(cap2);
        assertTrue(p1.equals(p2));
       
        p1.setCap(null);
        assertFalse(p1.equals(p2));
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    /**
     * Check the notification event mechanism for the dial cap.
     */
    public void testCapListener() {
        DialPlot p = new DialPlot();
        DialCap c1 = new DialCap();
        p.setCap(c1);
        p.addChangeListener(this);
        this.lastEvent = null;
        c1.setFillPaint(Color.red);
        assertNotNull(this.lastEvent);
       
        DialCap c2 = new DialCap();
        p.setCap(c2);
        this.lastEvent = null;
        c1.setFillPaint(Color.blue);
        assertNull(this.lastEvent);
        c2.setFillPaint(Color.green);
        assertNotNull(this.lastEvent);
    }
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