This test: -Opens a connection to a database at version 1, creating the database -Commits the version change transaction for that database -Opens a second connection to that database, requesting version 1 -Opens a third connection to that database, requesting version 2 -Makes sure the first and second connections get the versionchange event -Closes the first and second connections -Makes sure the versionchange transaction for the second connection starts successfully On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". indexedDB = self.indexedDB || self.webkitIndexedDB || self.mozIndexedDB || self.msIndexedDB || self.OIndexedDB; indexedDB.deleteDatabase(dbname) indexedDB.open(dbname) upgradeneeded (firstPhase): old version - 0 new version - 1 Version change complete (firstPhase). Database version is now - 1 First version change successful Open success (secondPhase) thirdPhase - Requested database connection with version 2 Expected upgrade needed (thirdPhase) firstPhase connection had received oldVersion: 1, newVersion: 2 secondPhase connection had received oldVersion: 1, newVersion: 2 PASS successfullyParsed is true TEST COMPLETE