Rewrite Futures.

tests/lib/async/future_test.dart

 // Copyright (c) 2012, 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 future_test;
 
 import 'package:async_helper/async_helper.dart';
 import "package:expect/expect.dart";
 import 'dart:async';
 
@@ skipping 599 matching lines @@
   asyncStart();
 
   future.then((v) => new Future.error("Fehler"))
         .then((v) { Expect.fail("unreachable!"); }, onError: (error) {
           Expect.equals("Fehler", error);
           asyncEnd();
         });
   completer.complete(21);
 }
 
-void testChainedFutureCycle() {
-  asyncStart();
-  var completer = new Completer();
-  var future, future2;
-  future  = completer.future.then((_) => future2);
-  future2 = completer.future.then((_) => future);
-  completer.complete(42);
-  int ctr = 2;
-  void receiveError(e) {
-    Expect.isTrue(e is StateError);
-    if (--ctr == 0) asyncEnd();
-  }
-  future.catchError(receiveError);
-  future.catchError(receiveError);
-}
-
 main() {
   testValue();
   testSync();
   testNeverComplete();
 
   testComplete();
   testCompleteWithSuccessHandlerBeforeComplete();
   testCompleteWithSuccessHandlerAfterComplete();
   testCompleteManySuccessHandlers();
   testCompleteWithError();
@@ skipping 21 matching lines @@
   testFutureWhenErrorFutureError();
 
   testFutureThenThrowsAsync();
   testFutureCatchThrowsAsync();
   testFutureWhenThrowsAsync();
   testFutureCatchRethrowsAsync();
 
   testChainedFutureValue();
   testChainedFutureValueDelay();
   testChainedFutureError();
-  testChainedFutureCycle();
 }