Add test for garbage collected window event listeners issue.

tests/html/native_gc_test.dart

Index: tests/html/native_gc_test.dart
diff --git a/tests/html/native_gc_test.dart b/tests/html/native_gc_test.dart
index 1882c6e2e00f9de246ca696f61bce7b01f0bd4a0..d213336fb5044dc80c0c88b6794486ee613f6c73 100644
--- a/tests/html/native_gc_test.dart
+++ b/tests/html/native_gc_test.dart
@@ -6,6 +6,11 @@
 main() {
   useHtmlConfiguration();
 
+  Element testDiv = new DivElement();
+  testDiv.id = '#TestDiv';
+  document.body.nodes.add(testDiv);
+  window.on.message.add((e) => testDiv.click());
+
   test('EventListener', () {
       final int N = 1000000;
       final int M = 1000;
@@ -30,4 +35,9 @@ main() {
       final event = new Event('test');
       div.on['test'].dispatch(event);
   });
+
+  test('WindowEventListener', () {
+    testDiv.on.click.add(expectAsync1((e) {}));

[Anton Muhin, 2012/07/06 15:06:15]

isn't it too fragile to depend on the test order?

[podivilov, 2012/07/06 16:08:19]

Done.

+    window.postMessage('test', '*');
+  });
 }