Examples of org.jfree.chart.plot.ValueMarker

org.jfree.chart.plot.ValueMarker
A marker that represents a single value. Markers can be added to plots to highlight specific values.

     * methods.
     */
    public void testGetSetLabelOffsetType() {
        // we use ValueMarker for the tests, because we need a concrete
        // subclass...
        ValueMarker m = new ValueMarker(1.1);
        m.addChangeListener(this);
        this.lastEvent = null;
        assertEquals(LengthAdjustmentType.CONTRACT, m.getLabelOffsetType());
        m.setLabelOffsetType(LengthAdjustmentType.EXPAND);
        assertEquals(LengthAdjustmentType.EXPAND, m.getLabelOffsetType());
        assertEquals(m, this.lastEvent.getMarker());


        // check null argument...
        try {
            m.setLabelOffsetType(null);
            fail("Expected an IllegalArgumentException for null.");
        }
        catch (IllegalArgumentException e) {
            assertTrue(true);
        }

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     * methods.
     */
    public void testGetSetLabelTextAnchor() {
        // we use ValueMarker for the tests, because we need a concrete
        // subclass...
        ValueMarker m = new ValueMarker(1.1);
        m.addChangeListener(this);
        this.lastEvent = null;
        assertEquals(TextAnchor.CENTER, m.getLabelTextAnchor());
        m.setLabelTextAnchor(TextAnchor.BASELINE_LEFT);
        assertEquals(TextAnchor.BASELINE_LEFT, m.getLabelTextAnchor());
        assertEquals(m, this.lastEvent.getMarker());


        // check null argument...
        try {
            m.setLabelTextAnchor(null);
            fail("Expected an IllegalArgumentException for null.");
        }
        catch (IllegalArgumentException e) {
            assertTrue(true);
        }

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     * Checks that a CategoryPlot deregisters listeners when clearing markers.
     */
    public void testListenersWithCategoryPlot() {
        CategoryPlot plot = new CategoryPlot();
        CategoryMarker marker1 = new CategoryMarker("X");
        ValueMarker marker2 = new ValueMarker(1.0);
        plot.addDomainMarker(marker1);
        plot.addRangeMarker(marker2);
        EventListener[] listeners1 = marker1.getListeners(
                MarkerChangeListener.class);
        assertTrue(Arrays.asList(listeners1).contains(plot));

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    /**
     * Checks that an XYPlot deregisters listeners when clearing markers.
     */
    public void testListenersWithXYPlot() {
        XYPlot plot = new XYPlot();
        ValueMarker marker1 = new ValueMarker(1.0);
        ValueMarker marker2 = new ValueMarker(2.0);
        plot.addDomainMarker(marker1);
        plot.addRangeMarker(marker2);
        EventListener[] listeners1 = marker1.getListeners(
                MarkerChangeListener.class);
        assertTrue(Arrays.asList(listeners1).contains(plot));

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     * Some checks for the getPaint() and setPaint() methods.
     */
    public void testGetSetPaint() {
        // we use ValueMarker for the tests, because we need a concrete
        // subclass...
        ValueMarker m = new ValueMarker(1.1);
        m.addChangeListener(this);
        this.lastEvent = null;
        assertEquals(Color.gray, m.getPaint());
        m.setPaint(Color.blue);
        assertEquals(Color.blue, m.getPaint());
        assertEquals(m, this.lastEvent.getMarker());


        // check null argument...
        try {
            m.setPaint(null);
            fail("Expected an IllegalArgumentException for null.");
        }
        catch (IllegalArgumentException e) {
            assertTrue(true);
        }

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     * Some checks for the getStroke() and setStroke() methods.
     */
    public void testGetSetStroke() {
        // we use ValueMarker for the tests, because we need a concrete
        // subclass...
        ValueMarker m = new ValueMarker(1.1);
        m.addChangeListener(this);
        this.lastEvent = null;
        assertEquals(new BasicStroke(0.5f), m.getStroke());
        m.setStroke(new BasicStroke(1.1f));
        assertEquals(new BasicStroke(1.1f), m.getStroke());
        assertEquals(m, this.lastEvent.getMarker());


        // check null argument...
        try {
            m.setStroke(null);
            fail("Expected an IllegalArgumentException for null.");
        }
        catch (IllegalArgumentException e) {
            assertTrue(true);
        }

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     * Some checks for the getOutlinePaint() and setOutlinePaint() methods.
     */
    public void testGetSetOutlinePaint() {
        // we use ValueMarker for the tests, because we need a concrete
        // subclass...
        ValueMarker m = new ValueMarker(1.1);
        m.addChangeListener(this);
        this.lastEvent = null;
        assertEquals(Color.gray, m.getOutlinePaint());
        m.setOutlinePaint(Color.yellow);
        assertEquals(Color.yellow, m.getOutlinePaint());
        assertEquals(m, this.lastEvent.getMarker());


        // check null argument...
        m.setOutlinePaint(null);
        assertEquals(null, m.getOutlinePaint());
    }

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     * Some checks for the getOutlineStroke() and setOutlineStroke() methods.
     */
    public void testGetSetOutlineStroke() {
        // we use ValueMarker for the tests, because we need a concrete
        // subclass...
        ValueMarker m = new ValueMarker(1.1);
        m.addChangeListener(this);
        this.lastEvent = null;
        assertEquals(new BasicStroke(0.5f), m.getOutlineStroke());
        m.setOutlineStroke(new BasicStroke(1.1f));
        assertEquals(new BasicStroke(1.1f), m.getOutlineStroke());
        assertEquals(m, this.lastEvent.getMarker());


        // check null argument...
        m.setOutlineStroke(null);
        assertEquals(null, m.getOutlineStroke());
    }

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     * Some checks for the getAlpha() and setAlpha() methods.
     */
    public void testGetSetAlpha() {
        // we use ValueMarker for the tests, because we need a concrete
        // subclass...
        ValueMarker m = new ValueMarker(1.1);
        m.addChangeListener(this);
        this.lastEvent = null;
        assertEquals(0.8f, m.getAlpha(), EPSILON);
        m.setAlpha(0.5f);
        assertEquals(0.5f, m.getAlpha(), EPSILON);
        assertEquals(m, this.lastEvent.getMarker());
    }

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     * Some checks for the getLabel() and setLabel() methods.
     */
    public void testGetSetLabel() {
        // we use ValueMarker for the tests, because we need a concrete
        // subclass...
        ValueMarker m = new ValueMarker(1.1);
        m.addChangeListener(this);
        this.lastEvent = null;
        assertEquals(null, m.getLabel());
        m.setLabel("XYZ");
        assertEquals("XYZ", m.getLabel());
        assertEquals(m, this.lastEvent.getMarker());


        // check null argument...
        m.setLabel(null);
        assertEquals(null, m.getLabel());
    }

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