@Test
public void nullTest2() {

    Map<String, String> variableDomains = new HashMap<>();
    NegativeBoundHiveBigInt.NegativeBoundHiveBigIntTag neg = new NegativeBoundHiveBigInt.NegativeBoundHiveBigIntTag();
    NegativeBoundHiveBigInt test = new NegativeBoundHiveBigInt();
    List<Map<String, String>> listOfMaps = new LinkedList<>();
    variableDomains.put("test", "");
    listOfMaps.add(variableDomains);
    neg.setMin("10");
    neg.setMax("100");
    neg.setNullable("true");
    neg.setName("test");
    List<Map<String, String>> list = test.pipelinePossibleStates(neg, listOfMaps);
    Assert.assertEquals(list.size(), 2);
    neg.setNullable("false");
    list = test.pipelinePossibleStates(neg, listOfMaps);
    Assert.assertEquals(list.size(), 3);
}