Fix Notification

tests/html/notification_test.dart

+// Copyright (c) 2015, 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 notification_test;
+
+import 'package:unittest/unittest.dart';
+import 'package:unittest/html_individual_config.dart';
+import 'dart:html';
+
+main() {
+  useHtmlIndividualConfiguration();
+
+  group('supported_notification', () {
+    test('supported', () {
+      expect(Notification.supported, true);
+    });
+  });
+
+  group('constructors', () {
+    // Test that we create the notification and that the parameters have
+    // the expected values. Note that these won't actually display, because
+    // we haven't asked for permission, which would have to be done
+    // interactively, so can't run on a bot.
+    test('Notification', () {
+      var expectation = Notification.supported ? returnsNormally : throws;
+      expect(() {
+        var allDefaults = new Notification("Hello world");
+        var allSpecified = new Notification("Deluxe notification",
+            dir: "rtl",
+            body: 'All parameters set',
+            icon: 'icon.png',
+            tag: 'tag',
+            lang: 'en_US');
+        expect(allDefaults is Notification, isTrue);
+        expect(allSpecified is Notification, isTrue);
+        expect(allDefaults.title, "Hello world");
+        expect(allSpecified.title, "Deluxe notification");
+        expect(allSpecified.dir, "rtl");
+        expect(allSpecified.body, "All parameters set");
+        var icon = allSpecified.icon;
+        var tail = Uri.parse(icon).pathSegments.last;
+        expect(tail, "icon.png");
+        expect(allSpecified.tag, "tag");
+        expect(allSpecified.lang, "en_US");
+      }, expectation);
+    });
+  });
+}