import 'dart:sky'; import 'package:test/test.dart'; void main() { test("should return null for elements not a child of a scope", () { var doc = new Document(); var element = doc.createElement("div"); expect(element.owner, isNull); }); test("should return the document for elements in the document scope", () { var doc = new Document(); var element = doc.createElement("div"); doc.appendChild(element); expect(element.owner, equals(doc)); }); }