test_invalid_cursor.js

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/**

 * Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/publicdomain/zero/1.0/

*/

/* exported testGenerator, disableWorkerTest */

var disableWorkerTest = "Need to implement a gc() function for worker tests";

var testGenerator = testSteps();

function* testSteps() {

  const dbName = "window" in this ? window.location.pathname : "test";

  const dbVersion = 1;

  const objectStoreName = "foo";

  const data = 0;

  let req = indexedDB.open(dbName, dbVersion);

  req.onerror = errorHandler;

  req.onupgradeneeded = grabEventAndContinueHandler;

  req.onsuccess = grabEventAndContinueHandler;

  let event = yield undefined;

  is(event.type, "upgradeneeded", "Got upgradeneeded event");

  let db = event.target.result;

  let objectStore = db.createObjectStore(objectStoreName, {

    autoIncrement: true,

});

  objectStore.add(data);

  event = yield undefined;

  is(event.type, "success", "Got success event for open");

  objectStore = db.transaction(objectStoreName).objectStore(objectStoreName);

  objectStore.openCursor().onsuccess = grabEventAndContinueHandler;

  event = yield undefined;

  is(event.type, "success", "Got success event for openCursor");

  let cursor = event.target.result;

  is(cursor.value, data, "Got correct cursor value");

  objectStore.get(cursor.key).onsuccess = grabEventAndContinueHandler;

  event = yield undefined;

  is(event.target.result, data, "Got correct get value");

  info("Collecting garbage");

  gc();

  info("Done collecting garbage");

  cursor.continue();

  event = yield undefined;

  is(event.target.result, null, "No more entries");

  finishTest();