// fields specified on the object schema that are unknown because the field's schema is unknown are also included equality checks
				"self.withUnknownFieldList[0] != self.withUnknownFieldList[1]": 7,
				"self.withUnknownFieldList[1] == self.withUnknownFieldList[2]": 7,
			},
		},
		{name: "known and unknown fields",
			obj: map[string]interface{}{
				"withUnknown": map[string]interface{}{
					"known":   1,

				// fields specified on the object schema that are unknown because the field's schema is unknown are also included equality checks
				"self.withUnknownFieldList[0] != self.withUnknownFieldList[1]",
				"self.withUnknownFieldList[1] == self.withUnknownFieldList[2]",
			},
			errors: map[string]string{
				// unknown fields cannot be field selected
				"has(self.withUnknown.field1)": "undefined field 'field1'",