* {@link NullityConditionKind} - deny present.
* @throws Exception if occur
*/
@Test
public void nullity_DP() throws Exception {
VerifyRule rule = rule("verify/nullity_DP.xls");
assertThat(rule.verify(obj(0, "a"), obj(null, "a")), not(nullValue()));
assertThat(rule.verify(obj(0, null), obj(null, "a")), not(nullValue()));
assertThat(rule.verify(obj(0, "a"), obj(null, null)), is(nullValue()));
assertThat(rule.verify(obj(0, null), obj(null, null)), is(nullValue()));
assertThat(rule.verify(obj(0, null), obj(0, null)), not(nullValue()));
}