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diff --git a/dom/indexedDB/test/unit/test_remove_index.js b/dom/indexedDB/test/unit/test_remove_index.js
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+++ b/dom/indexedDB/test/unit/test_remove_index.js
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+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+/* exported testGenerator */
+var testGenerator = testSteps();
+
+function* testSteps() {
+  const name = this.window ? window.location.pathname : "Splendid Test";
+  const indexName = "My Test Index";
+
+  let request = indexedDB.open(name, 1);
+  request.onerror = errorHandler;
+  request.onupgradeneeded = grabEventAndContinueHandler;
+  let event = yield undefined;
+
+  let db = event.target.result;
+  is(db.objectStoreNames.length, 0, "Correct objectStoreNames list");
+
+  let objectStore = db.createObjectStore("test store", { keyPath: "foo" });
+  is(db.objectStoreNames.length, 1, "Correct objectStoreNames list");
+  is(db.objectStoreNames.item(0), objectStore.name, "Correct name");
+
+  is(objectStore.indexNames.length, 0, "Correct indexNames list");
+
+  let index = objectStore.createIndex(indexName, "foo");
+
+  is(objectStore.indexNames.length, 1, "Correct indexNames list");
+  is(objectStore.indexNames.item(0), indexName, "Correct name");
+  is(objectStore.index(indexName), index, "Correct instance");
+
+  objectStore.deleteIndex(indexName);
+
+  is(objectStore.indexNames.length, 0, "Correct indexNames list");
+  try {
+    objectStore.index(indexName);
+    ok(false, "should have thrown");
+  } catch (ex) {
+    ok(ex instanceof DOMException, "Got a DOMException");
+    is(ex.name, "NotFoundError", "expect a NotFoundError");
+    is(ex.code, DOMException.NOT_FOUND_ERR, "expect a NOT_FOUND_ERR");
+  }
+
+  let index2 = objectStore.createIndex(indexName, "foo");
+  isnot(index, index2, "New instance should be created");
+
+  is(objectStore.indexNames.length, 1, "Correct recreacted indexNames list");
+  is(objectStore.indexNames.item(0), indexName, "Correct recreacted name");
+  is(objectStore.index(indexName), index2, "Correct instance");
+
+  event.target.transaction.oncomplete = grabEventAndContinueHandler;
+  event = yield undefined;
+
+  finishTest();
+}