diff -r 000000000000 -r 6474c204b198 modules/libjar/zipwriter/test/unit/test_asyncbadremove.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/modules/libjar/zipwriter/test/unit/test_asyncbadremove.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,31 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+const FILENAME = "missing.txt";
+
+var observer = {
+  onStartRequest: function(request, context)
+  {
+  },
+
+  onStopRequest: function(request, context, status)
+  {
+    do_check_eq(status, Components.results.NS_ERROR_FILE_NOT_FOUND);
+    zipW.close();
+    do_check_eq(ZIP_EOCDR_HEADER_SIZE, tmpFile.fileSize);
+    do_test_finished();
+  }
+};
+
+function run_test()
+{
+  zipW.open(tmpFile, PR_RDWR | PR_CREATE_FILE | PR_TRUNCATE);
+  zipW.removeEntry(FILENAME, true);
+  do_test_pending();
+  zipW.processQueue(observer, null);
+
+  // With nothing to actually do the queue would have completed immediately
+  do_check_false(zipW.inQueue);
+}