The Tor Browser: dom/indexedDB/test/unit/test_indexes.js@7e26c7da4463 (annotated)

dom/indexedDB/test/unit/test_indexes.js@7e26c7da4463 (annotated)

dom/indexedDB/test/unit/test_indexes.js

Wed, 31 Dec 2014 06:55:50 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:55:50 +0100
changeset 2: 7e26c7da4463
permissions: -rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

 /**
  * 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 objectStoreName = "People";
   const objectStoreData = [
     { key: "237-23-7732", value: { name: "Bob", height: 60, weight: 120 } },
     { key: "237-23-7733", value: { name: "Ann", height: 52, weight: 110 } },
     { key: "237-23-7734", value: { name: "Ron", height: 73, weight: 180 } },
     { key: "237-23-7735", value: { name: "Sue", height: 58, weight: 130 } },
     { key: "237-23-7736", value: { name: "Joe", height: 65, weight: 150 } },
     { key: "237-23-7737", value: { name: "Pat", height: 65 } }
   ];
   const indexData = [
     { name: "name", keyPath: "name", options: { unique: true } },
     { name: "height", keyPath: "height", options: { } },
     { name: "weight", keyPath: "weight", options: { unique: false } }
   ];
   const objectStoreDataNameSort = [
     { key: "237-23-7733", value: { name: "Ann", height: 52, weight: 110 } },
     { key: "237-23-7732", value: { name: "Bob", height: 60, weight: 120 } },
     { key: "237-23-7736", value: { name: "Joe", height: 65, weight: 150 } },
     { key: "237-23-7737", value: { name: "Pat", height: 65 } },
     { key: "237-23-7734", value: { name: "Ron", height: 73, weight: 180 } },
     { key: "237-23-7735", value: { name: "Sue", height: 58, weight: 130 } }
   ];
   const objectStoreDataWeightSort = [
     { key: "237-23-7733", value: { name: "Ann", height: 52, weight: 110 } },
     { key: "237-23-7732", value: { name: "Bob", height: 60, weight: 120 } },
     { key: "237-23-7735", value: { name: "Sue", height: 58, weight: 130 } },
     { key: "237-23-7736", value: { name: "Joe", height: 65, weight: 150 } },
     { key: "237-23-7734", value: { name: "Ron", height: 73, weight: 180 } }
   ];
   const objectStoreDataHeightSort = [
     { key: "237-23-7733", value: { name: "Ann", height: 52, weight: 110 } },
     { key: "237-23-7735", value: { name: "Sue", height: 58, weight: 130 } },
     { key: "237-23-7732", value: { name: "Bob", height: 60, weight: 120 } },
     { key: "237-23-7736", value: { name: "Joe", height: 65, weight: 150 } },
     { key: "237-23-7737", value: { name: "Pat", height: 65 } },
     { key: "237-23-7734", value: { name: "Ron", height: 73, weight: 180 } }
   ];
   let request = indexedDB.open(name, 1);
   request.onerror = errorHandler;
   request.onupgradeneeded = grabEventAndContinueHandler;
   request.onsuccess = grabEventAndContinueHandler;
   let event = yield undefined;
   let db = event.target.result;
   let objectStore = db.createObjectStore(objectStoreName, { 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.send(event);
       }
     }
   }
   event = yield undefined;
   // Now create the indexes.
   for (let i in indexData) {
     objectStore.createIndex(indexData[i].name, indexData[i].keyPath,
                             indexData[i].options);
   }
   is(objectStore.indexNames.length, indexData.length, "Good index count");
   yield undefined;
   objectStore = db.transaction(objectStoreName)
                   .objectStore(objectStoreName);
   // Check global properties to make sure they are correct.
   is(objectStore.indexNames.length, indexData.length, "Good index count");
   for (let i in indexData) {
     let found = false;
     for (let j = 0; j < objectStore.indexNames.length; j++) {
       if (objectStore.indexNames.item(j) == indexData[i].name) {
         found = true;
         break;
       }
     }
     is(found, true, "objectStore has our index");
     let index = objectStore.index(indexData[i].name);
     is(index.name, indexData[i].name, "Correct name");
     is(index.storeName, objectStore.name, "Correct store name");
     is(index.keyPath, indexData[i].keyPath, "Correct keyPath");
     is(index.unique, indexData[i].options.unique ? true : false,
        "Correct unique value");
   }
   request = objectStore.index("name").getKey("Bob");
   request.onerror = errorHandler;
   request.onsuccess = grabEventAndContinueHandler;
   event = yield undefined;
   is(event.target.result, "237-23-7732", "Correct key returned!");
   request = objectStore.index("name").get("Bob");
   request.onerror = errorHandler;
   request.onsuccess = grabEventAndContinueHandler;
   event = yield undefined;
   is(event.target.result.name, "Bob", "Correct name returned!");
   is(event.target.result.height, 60, "Correct height returned!");
   is(event.target.result.weight, 120, "Correct weight returned!");
   ok(true, "Test group 1");
   let keyIndex = 0;
   request = objectStore.index("name").openKeyCursor();
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       ok(!("value" in cursor), "No value");
       cursor.continue();
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct value");
       ok(!("value" in cursor), "No value");
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, objectStoreData.length, "Saw all the expected keys");
   ok(true, "Test group 2");
   keyIndex = 0;
   request = objectStore.index("weight").openKeyCursor(null, "next");
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataWeightSort[keyIndex].value.weight,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataWeightSort[keyIndex].key,
          "Correct value");
       cursor.continue();
       is(cursor.key, objectStoreDataWeightSort[keyIndex].value.weight,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataWeightSort[keyIndex].key,
          "Correct value");
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, objectStoreData.length - 1, "Saw all the expected keys");
   // Check that the name index enforces its unique constraint.
   objectStore = db.transaction(objectStoreName, "readwrite")
                   .objectStore(objectStoreName);
   request = objectStore.add({ name: "Bob", height: 62, weight: 170 },
                             "237-23-7738");
   request.addEventListener("error", new ExpectError("ConstraintError", true));
   request.onsuccess = unexpectedSuccessHandler;
   event = yield undefined;
   ok(true, "Test group 3");
   keyIndex = objectStoreDataNameSort.length - 1;
   request = objectStore.index("name").openKeyCursor(null, "prev");
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct value");
       cursor.continue();
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct value");
       keyIndex--;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, -1, "Saw all the expected keys");
   ok(true, "Test group 4");
   keyIndex = 1;
   let keyRange = IDBKeyRange.bound("Bob", "Ron");
   request = objectStore.index("name").openKeyCursor(keyRange);
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct value");
       cursor.continue();
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 5, "Saw all the expected keys");
   ok(true, "Test group 5");
   keyIndex = 2;
   let keyRange = IDBKeyRange.bound("Bob", "Ron", true);
   request = objectStore.index("name").openKeyCursor(keyRange);
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct value");
       cursor.continue();
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 5, "Saw all the expected keys");
   ok(true, "Test group 6");
   keyIndex = 1;
   let keyRange = IDBKeyRange.bound("Bob", "Ron", false, true);
   request = objectStore.index("name").openKeyCursor(keyRange);
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct value");
       cursor.continue();
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 4, "Saw all the expected keys");
   ok(true, "Test group 7");
   keyIndex = 2;
   keyRange = IDBKeyRange.bound("Bob", "Ron", true, true);
   request = objectStore.index("name").openKeyCursor(keyRange);
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct value");
       cursor.continue();
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 4, "Saw all the expected keys");
   ok(true, "Test group 8");
   keyIndex = 1;
   keyRange = IDBKeyRange.lowerBound("Bob");
   request = objectStore.index("name").openKeyCursor(keyRange);
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct value");
       cursor.continue();
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, objectStoreDataNameSort.length, "Saw all the expected keys");
   ok(true, "Test group 9");
   keyIndex = 2;
   keyRange = IDBKeyRange.lowerBound("Bob", true);
   request = objectStore.index("name").openKeyCursor(keyRange);
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct value");
       cursor.continue();
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, objectStoreDataNameSort.length, "Saw all the expected keys");
   ok(true, "Test group 10");
   keyIndex = 0;
   keyRange = IDBKeyRange.upperBound("Joe");
   request = objectStore.index("name").openKeyCursor(keyRange);
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct value");
       cursor.continue();
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 3, "Saw all the expected keys");
   ok(true, "Test group 11");
   keyIndex = 0;
   keyRange = IDBKeyRange.upperBound("Joe", true);
   request = objectStore.index("name").openKeyCursor(keyRange);
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct value");
       cursor.continue();
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 2, "Saw all the expected keys");
   ok(true, "Test group 12");
   keyIndex = 3;
   keyRange = IDBKeyRange.only("Pat");
   request = objectStore.index("name").openKeyCursor(keyRange);
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct value");
       cursor.continue();
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 4, "Saw all the expected keys");
   ok(true, "Test group 13");
   keyIndex = 0;
   request = objectStore.index("name").openCursor();
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       cursor.continue();
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, objectStoreDataNameSort.length, "Saw all the expected keys");
   ok(true, "Test group 14");
   keyIndex = objectStoreDataNameSort.length - 1;
   request = objectStore.index("name").openCursor(null, "prev");
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       cursor.continue();
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       keyIndex--;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, -1, "Saw all the expected keys");
   ok(true, "Test group 15");
   keyIndex = 1;
   keyRange = IDBKeyRange.bound("Bob", "Ron");
   request = objectStore.index("name").openCursor(keyRange);
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       cursor.continue();
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 5, "Saw all the expected keys");
   ok(true, "Test group 16");
   keyIndex = 2;
   keyRange = IDBKeyRange.bound("Bob", "Ron", true);
   request = objectStore.index("name").openCursor(keyRange);
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       cursor.continue();
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 5, "Saw all the expected keys");
   ok(true, "Test group 17");
   keyIndex = 1;
   keyRange = IDBKeyRange.bound("Bob", "Ron", false, true);
   request = objectStore.index("name").openCursor(keyRange);
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       cursor.continue();
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 4, "Saw all the expected keys");
   ok(true, "Test group 18");
   keyIndex = 2;
   keyRange = IDBKeyRange.bound("Bob", "Ron", true, true);
   request = objectStore.index("name").openCursor(keyRange);
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       cursor.continue();
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 4, "Saw all the expected keys");
   ok(true, "Test group 19");
   keyIndex = 4;
   keyRange = IDBKeyRange.bound("Bob", "Ron");
   request = objectStore.index("name").openCursor(keyRange, "prev");
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       cursor.continue();
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       keyIndex--;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 0, "Saw all the expected keys");
   ok(true, "Test group 20");
   // Test "nextunique"
   keyIndex = 3;
   keyRange = IDBKeyRange.only(65);
   request = objectStore.index("height").openKeyCursor(keyRange, "next");
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataHeightSort[keyIndex].value.height,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataHeightSort[keyIndex].key,
          "Correct value");
       cursor.continue();
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 5, "Saw all the expected keys");
   ok(true, "Test group 21");
   keyIndex = 3;
   keyRange = IDBKeyRange.only(65);
   request = objectStore.index("height").openKeyCursor(keyRange,
                                                       "nextunique");
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataHeightSort[keyIndex].value.height,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataHeightSort[keyIndex].key,
          "Correct value");
       cursor.continue();
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 4, "Saw all the expected keys");
   ok(true, "Test group 21.5");
   keyIndex = 5;
   request = objectStore.index("height").openKeyCursor(null, "prev");
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataHeightSort[keyIndex].value.height,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataHeightSort[keyIndex].key,
          "Correct value");
       cursor.continue();
       keyIndex--;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, -1, "Saw all the expected keys");
   ok(true, "Test group 22");
   keyIndex = 5;
   request = objectStore.index("height").openKeyCursor(null,
                                                       "prevunique");
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataHeightSort[keyIndex].value.height,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataHeightSort[keyIndex].key,
          "Correct value");
       cursor.continue();
       if (keyIndex == 5) {
         keyIndex--;
       }
       keyIndex--;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, -1, "Saw all the expected keys");
   ok(true, "Test group 23");
   keyIndex = 3;
   keyRange = IDBKeyRange.only(65);
   request = objectStore.index("height").openCursor(keyRange, "next");
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataHeightSort[keyIndex].value.height,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataHeightSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataHeightSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataHeightSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataHeightSort[keyIndex].value.weight,
            "Correct weight");
       }
       cursor.continue();
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 5, "Saw all the expected keys");
   ok(true, "Test group 24");
   keyIndex = 3;
   keyRange = IDBKeyRange.only(65);
   request = objectStore.index("height").openCursor(keyRange,
                                                    "nextunique");
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataHeightSort[keyIndex].value.height,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataHeightSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataHeightSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataHeightSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataHeightSort[keyIndex].value.weight,
            "Correct weight");
       }
       cursor.continue();
       keyIndex++;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, 4, "Saw all the expected keys");
   ok(true, "Test group 24.5");
   keyIndex = 5;
   request = objectStore.index("height").openCursor(null, "prev");
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataHeightSort[keyIndex].value.height,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataHeightSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataHeightSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataHeightSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataHeightSort[keyIndex].value.weight,
            "Correct weight");
       }
       cursor.continue();
       keyIndex--;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, -1, "Saw all the expected keys");
   ok(true, "Test group 25");
   keyIndex = 5;
   request = objectStore.index("height").openCursor(null,
                                                    "prevunique");
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataHeightSort[keyIndex].value.height,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataHeightSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataHeightSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataHeightSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataHeightSort[keyIndex].value.weight,
            "Correct weight");
       }
       cursor.continue();
       if (keyIndex == 5) {
         keyIndex--;
       }
       keyIndex--;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, -1, "Saw all the expected keys");
   ok(true, "Test group 26");
   keyIndex = 0;
   request = objectStore.index("name").openKeyCursor();
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct value");
       let nextKey = !keyIndex ? "Pat" : undefined;
       cursor.continue(nextKey);
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct value");
       if (!keyIndex) {
         keyIndex = 3;
       }
       else {
         keyIndex++;
       }
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, objectStoreData.length, "Saw all the expected keys");
   ok(true, "Test group 27");
   keyIndex = 0;
   request = objectStore.index("name").openKeyCursor();
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct value");
       let nextKey = !keyIndex ? "Flo" : undefined;
       cursor.continue(nextKey);
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct value");
       keyIndex += keyIndex ? 1 : 2;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, objectStoreData.length, "Saw all the expected keys");
   ok(true, "Test group 28");
   keyIndex = 0;
   request = objectStore.index("name").openCursor();
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       let nextKey = !keyIndex ? "Pat" : undefined;
       cursor.continue(nextKey);
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       if (!keyIndex) {
         keyIndex = 3;
       }
       else {
         keyIndex++;
       }
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, objectStoreDataNameSort.length, "Saw all the expected keys");
   ok(true, "Test group 29");
   keyIndex = 0;
   request = objectStore.index("name").openCursor();
   request.onerror = errorHandler;
   request.onsuccess = function (event) {
     let cursor = event.target.result;
     if (cursor) {
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       let nextKey = !keyIndex ? "Flo" : undefined;
       cursor.continue(nextKey);
       is(cursor.key, objectStoreDataNameSort[keyIndex].value.name,
          "Correct key");
       is(cursor.primaryKey, objectStoreDataNameSort[keyIndex].key,
          "Correct primary key");
       is(cursor.value.name, objectStoreDataNameSort[keyIndex].value.name,
          "Correct name");
       is(cursor.value.height,
          objectStoreDataNameSort[keyIndex].value.height,
          "Correct height");
       if ("weight" in cursor.value) {
         is(cursor.value.weight,
            objectStoreDataNameSort[keyIndex].value.weight,
            "Correct weight");
       }
       keyIndex += keyIndex ? 1 : 2;
     }
     else {
       testGenerator.next();
     }
   }
   yield undefined;
   is(keyIndex, objectStoreDataNameSort.length, "Saw all the expected keys");
   finishTest();
   yield undefined;
 }