Tools/TestWebKitAPI/Tests/WebKitCocoa/IndexedDBPersistence-2.html

<script>

var request = window.indexedDB.open("IndexedDBPersistence");

request.onsuccess = function(event)
{
    window.webkit.messageHandlers.testHandler.postMessage(event.target.result.version + " " + event.target.result.objectStoreNames[0]);
}

request.onerror = function()
{
    // Unexpected error
    window.webkit.messageHandlers.testHandler.postMessage('Unexpected Error');
}

request.onupgradeneeded = function()
{
    // Unexpected error
    window.webkit.messageHandlers.testHandler.postMessage('Unexpected UpgradeNeeded');
}

</script>