Package org.jfree.chart.renderer.xy

Examples of org.jfree.chart.renderer.xy.AbstractXYItemRenderer.findDomainBounds()

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     * handling when the centerBarAtStartValue flag is set to true).
     */
    public void testFindDomainBounds() {
        AbstractXYItemRenderer renderer = new ClusteredXYBarRenderer();
        XYDataset dataset = createSampleDataset1();
        Range r = renderer.findDomainBounds(dataset);
        assertEquals(0.9, r.getLowerBound(), EPSILON);
        assertEquals(13.1, r.getUpperBound(), EPSILON);
       
        renderer = new ClusteredXYBarRenderer(0.0, true);
        r = renderer.findDomainBounds(dataset);
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        Range r = renderer.findDomainBounds(dataset);
        assertEquals(0.9, r.getLowerBound(), EPSILON);
        assertEquals(13.1, r.getUpperBound(), EPSILON);
       
        renderer = new ClusteredXYBarRenderer(0.0, true);
        r = renderer.findDomainBounds(dataset);
        assertEquals(0.8, r.getLowerBound(), EPSILON);
        assertEquals(13.0, r.getUpperBound(), EPSILON);
       
        // check that a null dataset returns null bounds
        assertTrue(renderer.findDomainBounds(null) == null);
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        r = renderer.findDomainBounds(dataset);
        assertEquals(0.8, r.getLowerBound(), EPSILON);
        assertEquals(13.0, r.getUpperBound(), EPSILON);
       
        // check that a null dataset returns null bounds
        assertTrue(renderer.findDomainBounds(null) == null);
    }   
   
    /**
     * Creates a sample dataset for testing.
     *
 
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    public void testFindDomainBounds() {
        AbstractXYItemRenderer renderer = new StandardXYItemRenderer();
       
        // check the bounds of a simple dataset
        XYDataset dataset = createDataset1();
        Range r = renderer.findDomainBounds(dataset);
        assertEquals(1.0, r.getLowerBound(), EPSILON);
        assertEquals(3.0, r.getUpperBound(), EPSILON);
       
        // check that a null dataset returns null bounds
        assertTrue(renderer.findDomainBounds(null) == null);
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        Range r = renderer.findDomainBounds(dataset);
        assertEquals(1.0, r.getLowerBound(), EPSILON);
        assertEquals(3.0, r.getUpperBound(), EPSILON);
       
        // check that a null dataset returns null bounds
        assertTrue(renderer.findDomainBounds(null) == null);
    }

    /**
     * Some checks for the findRangeBounds() method.
     */
 
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    public void testFindDomainBounds() {
        AbstractXYItemRenderer renderer = new StandardXYItemRenderer();
       
        // check the bounds of a simple dataset
        XYDataset dataset = createDataset1();
        Range r = renderer.findDomainBounds(dataset);
        assertEquals(1.0, r.getLowerBound(), EPSILON);
        assertEquals(3.0, r.getUpperBound(), EPSILON);
       
        // check that a null dataset returns null bounds
        assertTrue(renderer.findDomainBounds(null) == null);
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        Range r = renderer.findDomainBounds(dataset);
        assertEquals(1.0, r.getLowerBound(), EPSILON);
        assertEquals(3.0, r.getUpperBound(), EPSILON);
       
        // check that a null dataset returns null bounds
        assertTrue(renderer.findDomainBounds(null) == null);
    }

    /**
     * Some checks for the findRangeBounds() method.
     */
 
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