b.Errorf("expect operation interrupted err but did not find")
				}
			}
		})
	}
}

// BenchmarkCELValidationWithAndWithoutOldSelfReference measures the additional cost of evaluating
// validation rules that reference "oldSelf".
func BenchmarkCELValidationWithAndWithoutOldSelfReference(b *testing.B) {
	for _, rule := range []string{
		"self.getMonth() >= 0",
		"oldSelf.getMonth() >= 0",
	} {