- Implement VM parts of https://codereview.chromium.org/1240743003/

tests/isolate/exit_at_spawn_test.dart

Index: tests/isolate/exit_at_spawn_test.dart
diff --git a/tests/isolate/exit_at_spawn_test.dart b/tests/isolate/exit_at_spawn_test.dart
new file mode 100644
index 0000000000000000000000000000000000000000..a03b565b0042d774622888561f77c27f9e10ba9d
--- /dev/null
+++ b/tests/isolate/exit_at_spawn_test.dart
@@ -0,0 +1,29 @@
+// 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 exit_at_spawn;
+
+import "dart:isolate";
+import "dart:async";
+import "package:async_helper/async_helper.dart";
+import "package:expect/expect.dart";
+
+isomain(args) {}
+
+main(){
+  asyncStart();
+
+  RawReceivePort exitPort = new RawReceivePort();
+  exitPort.handler = (message) {
+    Expect.equals(null, message);
+    exitPort.close();
+    asyncEnd();
+  };
+  
+  Isolate.spawn(isomain,
+                null,
+                // Setup handler as part of spawn.
+                errorsAreFatal: false,
+                onExit: exitPort.sendPort);
+}