obj        map[string]interface{}
		expectCost map[string]int64
	}{
		{name: "integers",
			// 1st obj and schema args are for "self.val1" field, 2nd for "self.val2" and so on.
			obj:    objs(math.MaxInt64, math.MaxInt64, math.MaxInt32, math.MaxInt32, math.MaxInt64, math.MaxInt64),
			schema: schemas(integerType, integerType, int32Type, int32Type, int64Type, int64Type),
			expectCost: map[string]int64{