Zone support for Futures.

tests/lib/async/catch_errors6_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 "package:expect/expect.dart";
+import 'dart:async';
+import 'dart:isolate';
+
+main() {
+  var port = new ReceivePort();

[Lasse Reichstein Nielsen, 2013/05/21 08:19:57]

Document that the port keeps the test alive until it is closed, so a failure to
call port.close would make the test timeout and fail.

[floitsch, 2013/05/21 18:08:32]

Done.

+  var completer = new Completer();
+  var errorHandlerOrDoneHasBeenExecuted = false;
+  catchErrors(() {
+    completer.future.then((x) { Expect.fail("should not be executed"); });
+  }).listen((x) {
+      errorHandlerOrDoneHasBeenExecuted = true;
+      Expect.fail("should not be executed (listen)");
+    },
+    onDone: () {
+      errorHandlerOrDoneHasBeenExecuted = true;
+      Expect.fail("should not be executed (onDone)");
+    });
+  Timer.run(() {
+    Expect.isFalse(errorHandlerOrDoneHasBeenExecuted);
+    port.close();
+  });
+}