test_transaction_ordering.js

Enable keyboard shortcuts

/**

 * Any copyright is dedicated to the Public Domain.

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

*/

/* exported testGenerator */

var testGenerator = testSteps();

function* testSteps() {

  let request = indexedDB.open(

    this.window ? window.location.pathname : "Splendid Test",

);

  request.onerror = errorHandler;

  request.onupgradeneeded = grabEventAndContinueHandler;

  let event = yield undefined;

  let db = event.target.result;

  db.onerror = errorHandler;

  request.onsuccess = continueToNextStep;

  db.createObjectStore("foo");

  yield undefined;

  let trans1 = db.transaction("foo", "readwrite");

  let trans2 = db.transaction("foo", "readwrite");

  let request1 = trans2.objectStore("foo").put("2", 42);

  let request2 = trans1.objectStore("foo").put("1", 42);

  request1.onerror = errorHandler;

  request2.onerror = errorHandler;

  trans1.oncomplete = grabEventAndContinueHandler;

  trans2.oncomplete = grabEventAndContinueHandler;

  yield undefined;

  yield undefined;

  let trans3 = db.transaction("foo", "readonly");

  request = trans3.objectStore("foo").get(42);

  request.onsuccess = grabEventAndContinueHandler;

  request.onerror = errorHandler;

  event = yield undefined;

  is(event.target.result, "2", "Transactions were ordered properly.");

  finishTest();