@Test
public void testGetIndex() throws Exception {

    SequenceIterationStatus s1 = new SequenceIterationStatus(0, 100, 30, 200);
    assertTrue(30 == s1.getIndex());
    SequenceIterationStatus s2 = new SequenceIterationStatus(0, 400, 100, 150);
    assertTrue(100 == s2.getIndex());
}