public void strict() throws Exception {
VerifyRule rule = rule("verify/strict.xls");
assertThat(rule.verify(obj(1, "a"), obj(1, "a")), is(nullValue()));
assertThat(rule.verify(obj(1, "a"), obj(1, "b")), not(nullValue()));
assertThat(rule.verify(null, obj(1, "a")), not(nullValue()));
assertThat(rule.verify(obj(1, "a"), null), not(nullValue()));
}
/**
* {@link DataModelCondition} - ignore absent.
* @throws Exception if occur