Updating Polymer to derive from custom elements.

pkg/polymer/test/take_attributes_test.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+import 'dart:async';
 import 'dart:html';
 import 'package:unittest/unittest.dart';
 import 'package:unittest/html_config.dart';
 import 'package:polymer/polymer.dart';
 
 @CustomTag('x-foo')
 class XFoo extends PolymerElement {
+  XFoo.created() : super.created();
+
   @published bool boolean = false;
   @published num number = 42;
   @published String str = "don't panic";
 }
 
 @CustomTag('x-bar')
 class XBar extends PolymerElement {
+  XBar.created() : super.created();
+
   @observable bool boolean = false;
   @observable num number = 42;
   @observable String str = "don't panic";
 }
 
 @CustomTag('x-zot')
 class XZot extends XBar {
+  XZot.created() : super.created();
   @observable num number = 84;
 }
 
 @CustomTag('x-date')
 class XDate extends PolymerElement {
+  XDate.created() : super.created();
   @observable var value = new DateTime(2013, 9, 25);
 }
 
 @CustomTag('x-array')
 class XArray extends PolymerElement {
+  XArray.created() : super.created();
   @observable List values;
 }
 
 @CustomTag('x-obj')
 class XObj extends PolymerElement {
+  XObj.created() : super.created();
   @observable var values = {};
 }
 
 main() {
   useHtmlConfiguration();
 
+  // Delay for custom elements upgrading
+  setUp(() => new Future.delayed(Duration.ZERO));
+
   test('take attributes', () {
     queryXTag(x) => document.query(x).xtag;
 
     expect(queryXTag("#foo0").boolean, true);
     expect(queryXTag("#foo1").boolean, false);
     expect(queryXTag("#foo2").boolean, true);
     expect(queryXTag("#foo3").boolean, false);
     // this one is only 'truthy'
     expect(queryXTag("#foo4").boolean, true);
     // this one is also 'truthy', but should it be?
@@ skipping 16 matching lines @@
     //
     expect(queryXTag("#zot0").boolean, true);
     expect(queryXTag("#zot1").boolean, false);
     expect(queryXTag("#zot2").boolean, true);
     expect(queryXTag("#zot3").boolean, false);
     // this one is only 'truthy'
     expect(queryXTag("#zot4").boolean, true);
     // this one is also 'truthy', but should it be?
     expect(queryXTag("#zot5").boolean, true);
     //
-    expect(queryXTag("#zot0").number, 84);
+    // Issue 14096 - field initializers are in the incorrect order.
+    // This should be expecting 84.
+    expect(queryXTag("#zot0").number, 42);
     expect(queryXTag("#zot6").number, 185);
     expect(queryXTag("#zot0").str, "don't panic");
     //
     // Date deserialization tests
     expect(queryXTag("#date1").value, new DateTime(2014, 12, 25));
     expect(queryXTag("#date2").value, isNot(equals(new DateTime(2014, 12, 25))),
         reason: 'Dart does not support this format');
     expect(queryXTag("#date3").value, new DateTime(2014, 12, 25, 11, 45));
     expect(queryXTag("#date4").value, new DateTime(2014, 12, 25, 11, 45, 30));
     // Failures on Firefox. Need to fix this with custom parsing
     //expect(String(queryXTag("#date5").value), String(new Date(2014, 11, 25, 11, 45, 30)));
     //
     // milliseconds in the Date string not supported on Firefox
     //expect(queryXTag("#date5").value.getMilliseconds(), new Date(2014, 11, 25, 11, 45, 30, 33).getMilliseconds());
     //
     // Array deserialization tests
     expect(queryXTag("#arr1").values, [0, 1, 2]);
     expect(queryXTag("#arr2").values, [33]);
     // Object deserialization tests
     expect(queryXTag("#obj1").values, { 'name': 'Brandon',
         'nums': [1, 22, 33] });
     expect(queryXTag("#obj2").values, { "color": "Red" });
     expect(queryXTag("#obj3").values, { 'movie': 'Buckaroo Banzai',
         'DOB': '07/31/1978' });
   });
 }