diff -r 000000000000 -r 6474c204b198 dom/indexedDB/test/unit/test_object_identity.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/indexedDB/test/unit/test_object_identity.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,48 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+var testGenerator = testSteps();
+
+function testSteps()
+{
+  let request = indexedDB.open(this.window ? window.location.pathname : "Splendid Test", 1);
+  request.onerror = errorHandler;
+  request.onupgradeneeded = grabEventAndContinueHandler;
+  let event = yield undefined;
+
+  let db = event.target.result;
+  let transaction = event.target.transaction;
+
+  let objectStore1 = db.createObjectStore("foo");
+  let objectStore2 = transaction.objectStore("foo");
+  ok(objectStore1 === objectStore2, "Got same objectStores");
+
+  let index1 = objectStore1.createIndex("bar", "key");
+  let index2 = objectStore2.index("bar");
+  ok(index1 === index2, "Got same indexes");
+
+  request.onsuccess = continueToNextStep;
+  yield undefined;
+
+  transaction = db.transaction(db.objectStoreNames);
+
+  let objectStore3 = transaction.objectStore("foo");
+  let objectStore4 = transaction.objectStore("foo");
+  ok(objectStore3 === objectStore4, "Got same objectStores");
+
+  ok(objectStore3 !== objectStore1, "Different objectStores");
+  ok(objectStore4 !== objectStore2, "Different objectStores");
+
+  let index3 = objectStore3.index("bar");
+  let index4 = objectStore4.index("bar");
+  ok(index3 === index4, "Got same indexes");
+
+  ok(index3 !== index1, "Different indexes");
+  ok(index4 !== index2, "Different indexes");
+
+  finishTest();
+  yield undefined;
+}
+