Tools/TestWebKitAPI/Tests/WebKit2Cocoa/IndexedDBPersistence-1.html

<script>

var request = window.indexedDB.deleteDatabase("IndexedDBPersistence");
request.onsuccess = function(e)
{
    continueTest();
}
request.onerror = function(e)
{
    // Unexpected error
    window.webkit.messageHandlers.testHandler.postMessage('Error');
}

function continueTest()
{
    var request = window.indexedDB.open("IndexedDBPersistence", 2);

    request.onsuccess = function()
    {
        window.webkit.messageHandlers.testHandler.postMessage('Success');

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

        event.target.result.createObjectStore("TestObjectStore");
    }
}
</script>