public void nullity_DA() throws Exception {
VerifyRule rule = rule("verify/nullity_DA.xls");
assertThat(rule.verify(obj(0, "a"), obj(0, "a")), is(nullValue()));
assertThat(rule.verify(obj(0, null), obj(0, "a")), is(nullValue()));
assertThat(rule.verify(obj(0, "a"), obj(0, null)), not(nullValue()));
assertThat(rule.verify(obj(0, null), obj(0, null)), not(nullValue()));
assertThat(rule.verify(obj(null, "a"), obj(null, "a")), not(nullValue()));
}
private DataModelReflection obj(Integer number, String text) {