if (this.importScripts) {
    importScripts('../../../resources/js-test.js');
    importScripts('shared.js');
}

description("Test IndexedDB persistence");

indexedDBTest(prepareDatabase, unexpectedSuccessCallback);
function prepareDatabase()
{
    request = event.target;
    var db = request.result;
    var trans = request.transaction;
    trans.abort();
    request.onerror = function() {
        db.close();
        first();
    };
}

function first()
{
    openAndChangeVersion(1, function (connection) {
        db = connection;
        shouldBe("db.version", "1");
        shouldBe("db.objectStoreNames.length", "0");
        evalAndLog("db.createObjectStore('store1')");
        shouldBe("db.objectStoreNames.length", "1");
    }, second);
}

function second()
{
    openAndChangeVersion(2, function (connection) {
        db = connection;
        shouldBe("db.version", "2");
        shouldBe("db.objectStoreNames.length", "1");
        shouldBeTrue("db.objectStoreNames.contains('store1')");
        evalAndLog("db.createObjectStore('store2')");
        shouldBe("db.objectStoreNames.length", "2");
        shouldBeTrue("db.objectStoreNames.contains('store1')");
        shouldBeTrue("db.objectStoreNames.contains('store2')");
    }, third);
}

function third()
{
    openAndChangeVersion(3, function (connection) {
        db = connection;
        shouldBe("db.version", "3");
        shouldBe("db.objectStoreNames.length", "2");
        shouldBeTrue("db.objectStoreNames.contains('store1')");
        shouldBeTrue("db.objectStoreNames.contains('store2')");
        evalAndLog("db.deleteObjectStore('store1')");
        shouldBe("db.objectStoreNames.length", "1");
        shouldBeFalse("db.objectStoreNames.contains('store1')");
        shouldBeTrue("db.objectStoreNames.contains('store2')");
    }, fourth);
}

function fourth()
{
    openAndChangeVersion(4, function (connection) {
        db = connection;
        shouldBe("db.version", "4");
        shouldBe("db.objectStoreNames.length", "1");
        shouldBeFalse("db.objectStoreNames.contains('store1')");
        shouldBeTrue("db.objectStoreNames.contains('store2')");
        evalAndLog("db.deleteObjectStore('store2')");
        shouldBe("db.objectStoreNames.length", "0");
        shouldBeFalse("db.objectStoreNames.contains('store1')");
        shouldBeFalse("db.objectStoreNames.contains('store2')");
    }, fifth);
}

function fifth()
{
    openAndChangeVersion(5, function (connection) {
        db = connection;
        shouldBe("db.version", "5");
        shouldBe("db.objectStoreNames.length", "0");
        shouldBeFalse("db.objectStoreNames.contains('store1')");
        shouldBeFalse("db.objectStoreNames.contains('store2')");
    }, finishJSTest);
}


function openAndChangeVersion(version, callback, next)
{
    debug("");
    evalAndLog("request = indexedDB.open(dbname, " + version + ")");
    request.onblocked = unexpectedBlockedCallback;
    request.onerror = unexpectedErrorCallback;
    request.onupgradeneeded = function () {
        evalAndLog("db = request.result");
        shouldBeNonNull("db");
        callback(db);
    };
    request.onsuccess = function() {
        evalAndLog("db.close()");
        next();
    }
}