/**
 * Check that only one chart change event is generated by a change to a
 * subplot.
 */
public void testNotification() {
    CombinedRangeCategoryPlot plot = createPlot();
    JFreeChart chart = new JFreeChart(plot);
    chart.addChangeListener(this);
    CategoryPlot subplot1 = (CategoryPlot) plot.getSubplots().get(0);
    NumberAxis yAxis = (NumberAxis) subplot1.getRangeAxis();
    yAxis.setAutoRangeIncludesZero(!yAxis.getAutoRangeIncludesZero());
    assertEquals(1, this.events.size());

    // a redraw should NOT trigger another change event
    BufferedImage image = new BufferedImage(200, 100,
            BufferedImage.TYPE_INT_RGB);
    Graphics2D g2 = image.createGraphics();
    this.events.clear();
    chart.draw(g2, new Rectangle2D.Double(0.0, 0.0, 200.0, 100.0));
    assertTrue(this.events.isEmpty());
}
 

/**
 * This is a test to replicate the bug report 1121172.
 */
public void testRemoveSubplot() {
    CombinedRangeCategoryPlot plot = new CombinedRangeCategoryPlot();
    CategoryPlot plot1 = new CategoryPlot();
    CategoryPlot plot2 = new CategoryPlot();
    CategoryPlot plot3 = new CategoryPlot();
    plot.add(plot1);
    plot.add(plot2);
    plot.add(plot3);
    plot.remove(plot2);
    List plots = plot.getSubplots();
    assertEquals(2, plots.size());
}
 

/**
 * Creates a sample plot.
 *
 * @return A plot.
 */
private CombinedRangeCategoryPlot createPlot() {
    CategoryDataset dataset1 = createDataset1();
    CategoryAxis catAxis1 = new CategoryAxis("Category");
    LineAndShapeRenderer renderer1 = new LineAndShapeRenderer();
    renderer1.setBaseToolTipGenerator(
            new StandardCategoryToolTipGenerator());
    CategoryPlot subplot1 = new CategoryPlot(dataset1, catAxis1, null,
            renderer1);
    subplot1.setDomainGridlinesVisible(true);

    CategoryDataset dataset2 = createDataset2();
    CategoryAxis catAxis2 = new CategoryAxis("Category");
    BarRenderer renderer2 = new BarRenderer();
    renderer2.setBaseToolTipGenerator(
            new StandardCategoryToolTipGenerator());
    CategoryPlot subplot2 = new CategoryPlot(dataset2, catAxis2, null,
            renderer2);
    subplot2.setDomainGridlinesVisible(true);

    NumberAxis rangeAxis = new NumberAxis("Value");
    CombinedRangeCategoryPlot plot = new CombinedRangeCategoryPlot(
            rangeAxis);
    plot.add(subplot1, 2);
    plot.add(subplot2, 1);
    return plot;
}
 

/**
 * This is a test to replicate the bug report 1121172.
 */
public void testRemoveSubplot() {
    CombinedRangeCategoryPlot plot = new CombinedRangeCategoryPlot();
    CategoryPlot plot1 = new CategoryPlot();
    CategoryPlot plot2 = new CategoryPlot();
    CategoryPlot plot3 = new CategoryPlot();
    plot.add(plot1);
    plot.add(plot2);
    plot.add(plot3);
    plot.remove(plot2);
    List plots = plot.getSubplots();
    assertEquals(2, plots.size());
}
 

/**
 * Creates a sample plot.
 * 
 * @return A plot.
 */
private CombinedRangeCategoryPlot createPlot() {
    CategoryDataset dataset1 = createDataset1();
    NumberAxis rangeAxis1 = new NumberAxis("Value");
    rangeAxis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    LineAndShapeRenderer renderer1 = new LineAndShapeRenderer();
    renderer1.setBaseToolTipGenerator(
        new StandardCategoryToolTipGenerator()
    );
    CategoryPlot subplot1 = new CategoryPlot(
        dataset1, null, rangeAxis1, renderer1
    );
    subplot1.setDomainGridlinesVisible(true);
    
    CategoryDataset dataset2 = createDataset2();
    NumberAxis rangeAxis2 = new NumberAxis("Value");
    rangeAxis2.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
    BarRenderer renderer2 = new BarRenderer();
    renderer2.setBaseToolTipGenerator(
        new StandardCategoryToolTipGenerator()
    );
    CategoryPlot subplot2 = new CategoryPlot(
        dataset2, null, rangeAxis2, renderer2
    );
    subplot2.setDomainGridlinesVisible(true);

    NumberAxis rangeAxis = new NumberAxis("Value");
    CombinedRangeCategoryPlot plot 
        = new CombinedRangeCategoryPlot(rangeAxis);
    plot.add(subplot1, 2);
    plot.add(subplot2, 1);
    return plot;
}
 

/**
 * Test the equals() method.
 */
public void testEquals() {
    CombinedRangeCategoryPlot plot1 = createPlot();
    CombinedRangeCategoryPlot plot2 = createPlot();
    assertTrue(plot1.equals(plot2));
}
 

/**
 * Test the equals() method.
 */
public void testEquals() {
    CombinedRangeCategoryPlot plot1 = createPlot();
    CombinedRangeCategoryPlot plot2 = createPlot();
    assertTrue(plot1.equals(plot2));    
}