* Some checks for the indexOf(Comparable) method.
*/
public void testIndexOf() {
DefaultXYZDataset d = createSampleDataset1();
assertEquals(0, d.indexOf("S1"));
assertEquals(1, d.indexOf("S2"));
assertEquals(-1, d.indexOf("Green Eggs and Ham"));
assertEquals(-1, d.indexOf(null));
}
static final double EPSILON = 0.0000000001;