The Tor Browser / file revision

 /**

  * Any copyright is dedicated to the Public Domain.

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

  */

 var testGenerator = testSteps();

 function testSteps()

 {

   let request = indexedDB.open(this.window ? window.location.pathname : "Splendid Test", 1);

   request.onerror = errorHandler;

   request.onupgradeneeded = grabEventAndContinueHandler;

   let event = yield undefined;

   let db = event.target.result;

   db.onerror = errorHandler;

   event.target.onsuccess = continueToNextStep;

   db.createObjectStore("foo");

   yield undefined;

   let transaction1 = db.transaction("foo");

   let transaction2;

   let comp = this.window ? SpecialPowers.wrap(Components) : Components;

   let thread = comp.classes["@mozilla.org/thread-manager;1"]

                    .getService(comp.interfaces.nsIThreadManager)

                    .currentThread;

   let eventHasRun;

   thread.dispatch(function() {

     eventHasRun = true;

     transaction2 = db.transaction("foo");

   }, Components.interfaces.nsIThread.DISPATCH_NORMAL);

   while (!eventHasRun) {

     thread.processNextEvent(false);

   }

   ok(transaction2, "Non-null transaction2");

   continueToNextStep();

   yield undefined;

   finishTest();

   yield undefined;

 }