Fixed bug in _ControllerStream.operator==.

tests/lib/async/stream_controller_test.dart

 // Copyright (c) 2011, 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.
 
 // Test the basic StreamController and StreamController.singleSubscription.
 library stream_controller_test;
 
 import "package:expect/expect.dart";
 import 'dart:async';
 import 'event_helper.dart';
@@ skipping 398 matching lines @@
   StreamController c = new StreamController(sync: true);
   Expect.isFalse(c.isClosed);
   c.add(42);
   Expect.isFalse(c.isClosed);
   c.addError("bad");
   Expect.isFalse(c.isClosed);
   c.close();
   Expect.isTrue(c.isClosed);
 }
 
+void testStreamEquals() {
+  StreamController c;
+  c = new StreamController(sync: false);
+  Expect.equals(c.stream, c.stream);
+  c = new StreamController(sync: true);
+  Expect.equals(c.stream, c.stream);
+  c = new StreamController(sync: false, onListen:(){});
+  Expect.equals(c.stream, c.stream);
+  c = new StreamController(sync: true, onListen:(){});
+  Expect.equals(c.stream, c.stream);
+  c = new StreamController.broadcast(sync: false);
+  Expect.equals(c.stream, c.stream);
+  c = new StreamController.broadcast(sync: true);
+  Expect.equals(c.stream, c.stream);
+  c = new StreamController.broadcast(sync: false, onListen:(){});
+  Expect.equals(c.stream, c.stream);
+  c = new StreamController.broadcast(sync: true, onListen:(){});

[floitsch, 2013/07/19 11:47:40]

maybe add test where it doesn't return true?

+  Expect.equals(c.stream, c.stream);
+}
+
 main() {
   testMultiController();
   testSingleController();
   testExtraMethods();
   testClosed();
+  testStreamEquals();
 }