test_cursor_update_updates_indexes.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 START_DATA = "hi";

  const END_DATA = "bye";

  const objectStoreInfo = [

      name: "1",

      options: { keyPath: null },

      key: 1,

      entry: { data: START_DATA },

},

      name: "2",

      options: { keyPath: "foo" },

      entry: { foo: 1, data: START_DATA },

},

      name: "3",

      options: { keyPath: null, autoIncrement: true },

      entry: { data: START_DATA },

},

      name: "4",

      options: { keyPath: "foo", autoIncrement: true },

      entry: { data: START_DATA },

},

];

  for (let i = 0; i < objectStoreInfo.length; i++) {

    // Create our object stores.

    let info = objectStoreInfo[i];

    ok(true, "1");

    let request = indexedDB.open(name, i + 1);

    request.onerror = errorHandler;

    request.onupgradeneeded = grabEventAndContinueHandler;

    request.onsuccess = grabEventAndContinueHandler;

    let event = yield undefined;

    let db = event.target.result;

    ok(true, "2");

    let objectStore = info.hasOwnProperty("options")

      ? db.createObjectStore(info.name, info.options)

      : db.createObjectStore(info.name);

    // Create the indexes on 'data' on the object store.

    let index = objectStore.createIndex("data_index", "data", {

      unique: false,

});

    let uniqueIndex = objectStore.createIndex("unique_data_index", "data", {

      unique: true,

});

    // Populate the object store with one entry of data.

    request = info.hasOwnProperty("key")

      ? objectStore.add(info.entry, info.key)

      : objectStore.add(info.entry);

    request.onerror = errorHandler;

    request.onsuccess = grabEventAndContinueHandler;

    event = yield undefined;

    ok(true, "3");

    // Use a cursor to update 'data' to END_DATA.

    request = objectStore.openCursor();

    request.onerror = errorHandler;

    request.onsuccess = grabEventAndContinueHandler;

    event = yield undefined;

    ok(true, "4");

    let cursor = request.result;

    let obj = cursor.value;

    obj.data = END_DATA;

    request = cursor.update(obj);

    request.onerror = errorHandler;

    request.onsuccess = grabEventAndContinueHandler;

    event = yield undefined;

    ok(true, "5");

    // Check both indexes to make sure that they were updated.

    request = index.get(END_DATA);

    request.onerror = errorHandler;

    request.onsuccess = grabEventAndContinueHandler;

    event = yield undefined;

    ok(true, "6");

is(

      obj.data,

      event.target.result.data,

      "Non-unique index was properly updated."

);

    request = uniqueIndex.get(END_DATA);

    request.onerror = errorHandler;

    request.onsuccess = grabEventAndContinueHandler;

    event = yield undefined;

    ok(true, "7");

is(

      obj.data,

      event.target.result.data,

      "Unique index was properly updated."

);

    // Wait for success

    yield undefined;

    db.close();

  finishTest();