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diff --git a/dom/indexedDB/test/unit/test_index_empty_keyPath.js b/dom/indexedDB/test/unit/test_index_empty_keyPath.js
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+++ b/dom/indexedDB/test/unit/test_index_empty_keyPath.js
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+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+var testGenerator = testSteps();
+
+function* testSteps() {
+ const name = this.window ? window.location.pathname : "Splendid Test";
+
+ const objectStoreData = [
+ { key: "1", value: "foo" },
+ { key: "2", value: "bar" },
+ { key: "3", value: "baz" },
+ ];
+
+ let request = indexedDB.open(name, 1);
+ request.onerror = errorHandler;
+ request.onupgradeneeded = grabEventAndContinueHandler;
+ request.onsuccess = grabEventAndContinueHandler;
+ let event = yield undefined; // upgradeneeded
+
+ let db = event.target.result;
+
+ let objectStore = db.createObjectStore("data", { keyPath: null });
+
+ // First, add all our data to the object store.
+ let addedData = 0;
+ for (let i in objectStoreData) {
+ request = objectStore.add(objectStoreData[i].value, objectStoreData[i].key);
+ request.onerror = errorHandler;
+ request.onsuccess = function (event) {
+ if (++addedData == objectStoreData.length) {
+ testGenerator.next(event);
+ }
+ };
+ }
+ event = yield undefined; // testGenerator.send
+
+ // Now create the index.
+ objectStore.createIndex("set", "", { unique: true });
+ yield undefined; // success
+
+ let trans = db.transaction("data", "readwrite");
+ objectStore = trans.objectStore("data");
+ let index = objectStore.index("set");
+
+ request = index.get("bar");
+ request.onerror = errorHandler;
+ request.onsuccess = grabEventAndContinueHandler;
+
+ event = yield undefined;
+
+ is(event.target.result, "bar", "Got correct result");
+
+ request = objectStore.add("foopy", 4);
+ request.onerror = errorHandler;
+ request.onsuccess = grabEventAndContinueHandler;
+
+ yield undefined;
+
+ request = index.get("foopy");
+ request.onerror = errorHandler;
+ request.onsuccess = grabEventAndContinueHandler;
+
+ event = yield undefined;
+
+ is(event.target.result, "foopy", "Got correct result");
+
+ request = objectStore.add("foopy", 5);
+ request.addEventListener("error", new ExpectError("ConstraintError", true));
+ request.onsuccess = unexpectedSuccessHandler;
+
+ trans.oncomplete = grabEventAndContinueHandler;
+
+ yield undefined;
+ yield undefined;
+
+ finishTest();
+}