Don't consider controller.addError to be a zone-crossing.

tests/lib/async/catch_errors27_test.dart

Index: tests/lib/async/catch_errors27_test.dart
diff --git a/tests/lib/async/catch_errors27_test.dart b/tests/lib/async/catch_errors27_test.dart
index 9a8ab8b734357ecb1e078218d8aaecebd39017cf..db889cbf7f84b493560e2bfada8d736904426e2b 100644
--- a/tests/lib/async/catch_errors27_test.dart
+++ b/tests/lib/async/catch_errors27_test.dart
@@ -14,10 +14,9 @@ main() {
   var events = [];
   StreamController controller;
   Stream stream;
-  // Test that the first listen on a `asBroadcastStream` determines the
-  // zone the subscription lives in. The inner listen happens first, and
-  // the outer listener must not see the error since it would cross a
-  // zone boundary. It is therefore given to the inner `catchErrors`.
+  // Test that streams live in the zone they have been listened too.
+  // It doesn't matter how many zone-boundaries the stream traverses. What
+  // counts is the zone where `listen` was invoked.
   catchErrors(() {
     catchErrors(() {
       controller = new StreamController();
@@ -33,15 +32,13 @@ main() {
         .listen((x) { events.add("stream $x"); });
       scheduleMicrotask(() {
         controller.add(1);
-        // Errors are not allowed to traverse boundaries, but in this case the
-        // first listener of the broadcast stream is in the same error-zone. So
-        // this should work.
         controller.addError(2);
         controller.close();
+        new Future.error("done");
       });
     }).listen((x) {
                 events.add(x);

[Lasse Reichstein Nielsen, 2014/07/10 09:45:17]

Consider putting a prefix on the event here, like "foo $x".

[floitsch, 2014/07/10 13:50:42]

Done.

-                if (x == 2) done.complete(true);
+                if (x == "done") done.complete(true);
               })
       .asFuture().then((_) { Expect.fail("Unexpected callback"); });
     stream.listen((x) { events.add("stream2 $x"); });
@@ -55,7 +52,8 @@ main() {
                           "stream 101",

[Lasse Reichstein Nielsen, 2014/07/10 09:45:17]

Unindent (deindent? exdent?) by 1.

[floitsch, 2014/07/10 13:50:42]

Done.

                           "stream2 101",
                           "stream error 2",
-                          2, // Caught by the inner `catchErrors`.
+                          "done",
+                          "outer: 2",
                         ],
                         events);
       asyncEnd();