/** Test of getValue method, of class AbstractGraphPanelChartElement. */
 @Test
 public void testGetValue() {
   System.out.println("getValue");
   AbstractGraphPanelChartElement instance = new AbstractGraphPanelChartElementImpl();
   double expResult = 0.0;
   double result = instance.getValue();
   assertEquals(expResult, result, 0.0);
 }
 /** Test of isPointRepresentative method, of class AbstractGraphPanelChartElement. */
 @Test
 public void testIsPointRepresentative() {
   System.out.println("isPointRepresentative");
   int limit = 10;
   AbstractGraphPanelChartElement instance = new AbstractGraphPanelChartElementImpl();
   boolean expResult = true;
   boolean result = instance.isPointRepresentative(limit);
   assertEquals(expResult, result);
 }
 /** Test of add method, of class AbstractGraphPanelChartElement. */
 @Test
 public void testAdd() {
   System.out.println("add");
   double val = 0.0;
   AbstractGraphPanelChartElement instance = new AbstractGraphPanelChartElementImpl();
   try {
     instance.add(val);
     fail("Exception expected");
   } catch (UnsupportedOperationException e) {
   }
 }