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packages/polymer/test/publish_inherited_properties_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:html';
+import 'package:unittest/unittest.dart';
+import 'package:unittest/html_config.dart';
+import 'package:polymer/polymer.dart';
+import 'package:logging/logging.dart';
+
+// Dart note: unlike JS, you can't publish something that doesn't
+// have a corresponding field because we can't dynamically add properties.
+// So we define XFoo and XBar types here.
+class XFoo extends PolymerElement {
+  XFoo.created() : super.created();
+
+  @published var Foo;
+}
+
+class XBar extends XFoo {
+  XBar.created() : super.created();
+
+  @published var Bar;
+}
+
+@CustomTag('x-zot')
+class XZot extends XBar {
+  XZot.created() : super.created();
+
+  // Note: this is published because it appears in the `attributes` attribute.
+  var m;
+
+  @published int zot = 3;
+}
+
+// Regresion test for dartbug.comk/14559. The bug is still open, but we don't
+// hit it now that we use smoke. The bug was assinging @CustomTag('x-zot') to
+// this class incorrectly and as a result `zap` was listed in `x-zot`.
+class XWho extends XZot {
+  XWho.created() : super.created();
+
+  @published var zap;
+}
+
+@CustomTag('x-squid')
+class XSquid extends XZot {
+  XSquid.created() : super.created();
+
+  @published int baz = 13;
+  @published int zot = 5;
+  @published int squid = 7;
+}
+
+main() {
+  useHtmlConfiguration();
+
+  initPolymer().then((zone) {
+    zone.run(() {
+      Logger.root.level = Level.ALL;
+      Logger.root.onRecord.listen((r) => print('${r.loggerName} ${r.message}'));
+
+      Polymer.register('x-noscript', XZot);
+
+      setUp(() => Polymer.onReady);
+
+      test('published properties', () {
+        published(tag) => (new Element.tag(
+            tag) as PolymerElement).element.publishedProperties;
+
+        expect(published('x-zot'), ['Foo', 'Bar', 'zot', 'm']);
+        expect(
+            published('x-squid'), ['Foo', 'Bar', 'zot', 'm', 'baz', 'squid']);
+        expect(published('x-noscript'), ['Foo', 'Bar', 'zot', 'm']);
+        expect(
+            published('x-squid'), ['Foo', 'Bar', 'zot', 'm', 'baz', 'squid']);
+      });
+    });
+  });
+}