/** Test the method of {@link TimeAxisImpl#findIndexOf}. */
@Test
public void testFindIndexOf() {
// the first date is index 0
int expectedIndex = 4;
DateTime fifthDate = tAxis.getCoordinateValue(expectedIndex);
assertEquals(expectedIndex, tAxis.findIndexOf(fifthDate));
int notFoundIndex = -1;
// a date is outside t axis.
assertEquals(notFoundIndex, tAxis.findIndexOf(start.plusDays(25)));
}
