Package org.jfree.chart.plot.dial

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

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    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashCode() {
        StandardDialScale s1 = new StandardDialScale();
        StandardDialScale s2 = new StandardDialScale();
        assertTrue(s1.equals(s2));
        int h1 = s1.hashCode();
        int h2 = s2.hashCode();
        assertEquals(h1, h2);
    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        // try a default instance
        StandardDialScale s1 = new StandardDialScale();
        StandardDialScale s2 = null;
        try {
            s2 = (StandardDialScale) s1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(s1 != s2);
        assertTrue(s1.getClass() == s2.getClass());
        assertTrue(s1.equals(s2));
       
        // try a customised instance
        s1 = new StandardDialScale();
        s1.setExtent(123.4);
        s1.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f,
                4.0f, Color.white));
        s1.setMajorTickStroke(new BasicStroke(2.0f));
        s2 = null;
        try {
            s2 = (StandardDialScale) s1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(s1 != s2);
        assertTrue(s1.getClass() == s2.getClass());
        assertTrue(s1.equals(s2));
       
        // check that the listener lists are independent
        MyDialLayerChangeListener l1 = new MyDialLayerChangeListener();
        s1.addChangeListener(l1);
        assertTrue(s1.hasListener(l1));
        assertFalse(s2.hasListener(l1));
    }
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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        // try a default instance
        StandardDialScale s1 = new StandardDialScale();
        StandardDialScale s2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(s1);
            out.close();

            ObjectInput in = new ObjectInputStream(
                    new ByteArrayInputStream(buffer.toByteArray()));
            s2 = (StandardDialScale) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(s1, s2);
       
        // try a customised instance
        s1 = new StandardDialScale();
        s1.setExtent(123.4);
        s1.setMajorTickPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f,
                4.0f, Color.white));
        s1.setMajorTickStroke(new BasicStroke(2.0f));
        s2 = null;
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