@Override
    public boolean add(final Integer value) {
        return add(value.intValue());
    }
@Test
    public void worksCorrectlyWhenFull() {
        final IntHashSet set = new IntHashSet(2, 0);
        set.add(1);
        set.add(2);
        assertContains(set, 2);
        assertNotContains(set, 3);
    }