assertTrue(!s.member(20));
assertTrue(!s.member(100));
assertTrue(s.member(15));
assertTrue(s.member(55));
assertTrue(s.member(50));
assertTrue(s.member(60));
}
// {2,15,18} & 10..20
@Test public void testIntersectionWithTwoContainedElements() throws Exception {
IntervalSet s = IntervalSet.of(10,20);