Roll polymer to 0.3.5

pkg/polymer/test/event_binding_release_handler_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.
+
+library polymer.test.event_binding_release_handler_test;
+
+import 'dart:async';
+import 'dart:html';
+import 'package:polymer/polymer.dart';
+import 'package:unittest/unittest.dart';
+import 'package:unittest/html_config.dart';
+import 'package:template_binding/template_binding.dart';
+
+@CustomTag('x-foo')
+class XFoo extends PolymerElement {
+  @PublishedProperty(reflect: true)
+  int count = 1;
+
+  XFoo.created() : super.created();
+
+  increment() { ++count; }
+}
+
+main() {
+  // Do not run the test in the zone so the future does not trigger a
+  // dirtyCheck. We want to verify that event bindings trigger dirty checks on
+  // their own.
+  initPolymer();
+
+  useHtmlConfiguration();
+
+  setUp(() => Polymer.onReady);
+
+  test('event handlers can be released', () {
+    XFoo element = querySelector('x-foo');
+    expect(element, isNotNull);
+    ButtonElement button = element.shadowRoot.querySelector('button');
+    expect(button, isNotNull);
+
+    button.click();
+    return new Future(() {}).then((_) {
+      expect(element.shadowRoot.querySelector('p').text, 'Count: 2');
+      // Remove and detach the element so the binding is invalidated.
+      element.remove();
+      element.detached();
+    }).then((_) => new Future(() {})).then((_) {
+      // Clicks should no longer affect the elements count.
+      button.click();
+      // TODO(jakemac): This is flaky so its commented out, (the rest of the
+      // test is not flaky). Figure out how to make this not flaky.
+//      expect(element.count, 2);
+    });
+  });
+}