Very simple version of Isolates.

tests/isolate/global_error_handler_stream_test.dart

Index: tests/isolate/global_error_handler_stream_test.dart
diff --git a/tests/isolate/global_error_handler_stream_test.dart b/tests/isolate/global_error_handler_stream_test.dart
deleted file mode 100644
index c1d8ce867ad081ec6e65a4adc6892460004da6be..0000000000000000000000000000000000000000
--- a/tests/isolate/global_error_handler_stream_test.dart
+++ /dev/null
@@ -1,47 +0,0 @@
-// 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.
-
-library test;
-
-import 'dart:async';
-import 'dart:isolate';
-
-var firstFunction;
-var finishFunction;
-
-void runFunctions() {
-  try {
-    firstFunction();
-  } catch (e) {
-    new Timer(Duration.ZERO, finishFunction);
-    rethrow;
-  }
-}
-
-void startTest(EventSink finishSink) {
-  firstFunction = () { throw new UnsupportedError("ignore exception"); };
-  finishFunction = () { finishSink.add("done"); finishSink.close(); };
-  new Timer(Duration.ZERO, runFunctions);
-}
-
-runTest() {
-  stream.single.then(startTest);
-}
-
-bool globalErrorHandler(IsolateUnhandledException e) {
-  return e.source is UnsupportedError && e.source.message == "ignore exception";
-}
-
-main() {
-  var box = new MessageBox();
-  var timer;
-  EventSink otherIsolate = streamSpawnFunction(runTest, globalErrorHandler);
-  otherIsolate.add(box.sink);
-  otherIsolate.close();
-  box.stream.single.then((msg) {
-    box.stream.close();
-    timer.cancel();
-  });
-  timer = new Timer(const Duration(seconds: 2), () { throw "failed"; });
-}