@Test
public void testPutOne() {

    for (IntervalMap set : getAllInstances()) {
        Object[] defaultValues = getTestValues(set);
        Assert.assertTrue(set.put(new Interval(1.0, 2.0), defaultValues[0]));
        testValues(set, new Interval[] { new Interval(1.0, 2.0) }, new Object[] { defaultValues[0] });
    }
}