1 files changed, 29 insertions, 0 deletions
diff --git a/dom/indexedDB/test/bug839193.js b/dom/indexedDB/test/bug839193.js
new file mode 100644
index 0000000000..b5b951e32e
--- /dev/null
+++ b/dom/indexedDB/test/bug839193.js
@@ -0,0 +1,29 @@
+/* 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 nsIQuotaManagerService = Ci.nsIQuotaManagerService;
+
+var gURI = Services.io.newURI("http://localhost");
+
+function onUsageCallback(request) {}
+
+function onLoad() {
+  var quotaManagerService = Cc[
+    "@mozilla.org/dom/quota-manager-service;1"
+  ].getService(nsIQuotaManagerService);
+  let principal = Services.scriptSecurityManager.createContentPrincipal(
+    gURI,
+    {}
+  );
+  var quotaRequest = quotaManagerService.getUsageForPrincipal(
+    principal,
+    onUsageCallback
+  );
+  quotaRequest.cancel();
+  Services.obs.notifyObservers(window, "bug839193-loaded");
+}
+
+function onUnload() {
+  Services.obs.notifyObservers(window, "bug839193-unloaded");
+}