diff -r 000000000000 -r 6474c204b198 toolkit/components/osfile/tests/xpcshell/test_creationDate.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/components/osfile/tests/xpcshell/test_creationDate.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,31 @@
+"use strict";
+
+function run_test() {
+  do_test_pending();
+  run_next_test();
+}
+
+/**
+ * Test to ensure that deprecation warning is issued on use
+ * of creationDate.
+ */
+add_task(function test_deprecatedCreationDate () {
+  let deferred = Promise.defer();
+  let consoleListener = {
+    observe: function (aMessage) {
+      if(aMessage.message.indexOf("Field 'creationDate' is deprecated.") > -1) {
+        do_print("Deprecation message printed");
+        do_check_true(true);
+        Services.console.unregisterListener(consoleListener);
+        deferred.resolve();
+      }
+    }
+  };
+  let currentDir = yield OS.File.getCurrentDirectory();
+  let path = OS.Path.join(currentDir, "test_creationDate.js");
+
+  Services.console.registerListener(consoleListener);
+  (yield OS.File.stat(path)).creationDate;
+});
+
+add_task(do_test_finished);