(function () {
    var act                = null,
        ok                 = null,
        notOk              = null,
        eq                 = null,
        notEq              = null,
        handleAlert        = null,
        handleConfirm      = null,
        handlePrompt       = null,
        handleBeforeUnload = null,
        __set$             = null,
        __get$             = null,
        __get$Loc          = null,
        __set$Loc          = null,
        __call$            = null,
        __proc$Script      = null,

        $                  = null,
        jQuery             = null,
        __waitFor          = null;

    function onTestRunnerInitialized (testRunner, callback) {
        delete onTestRunnerInitialized;

        act                = testRunner.act;
        ok                 = testRunner.ok;
        notOk              = testRunner.notOk;
        eq                 = testRunner.eq;
        notEq              = testRunner.notEq;
        handleAlert        = testRunner.handleAlert;
        handleConfirm      = testRunner.handleConfirm;
        handlePrompt       = testRunner.handlePrompt;
        handleBeforeUnload = testRunner.handleBeforeUnload;
        __set$             = window.__set$;
        __get$             = window.__get$;
        __set$Loc          = window.__set$Loc;
        __get$Loc          = window.__get$Loc;
        __call$            = window.__call$;
        __proc$Script      = window.__proc$Script;
        __waitFor          = function () {
            testRunner.setGlobalWaitFor.apply(testRunner, arguments);
        };

        try {
            //!----------------------------------BEGIN HELPERS AND REQUIRES CODE----------------------------------
            {{{sharedJs}}};
            //!------------------------------------END HELPERS AND REQUIRES CODE----------------------------------
        } catch (err) {
            act._onJSError(err);
            return;
        }

        function runInContext (stepName, step, runner) {
            runner([stepName], [function () {
                eval('(' + step + ').call(this)');
            }]);
        }

        callback(runInContext);
    }

    (function () {
        var testCafeLegacyRunner = window['%testCafeLegacyRunner%'];

        var sandboxedJQuery       = testCafeLegacyRunner.sandboxedJQuery;
        var extendJQuerySelectors = testCafeLegacyRunner.extendJQuerySelectors;
        var jQueryDataMethodProxy = testCafeLegacyRunner.jQueryDataMethodProxy;
        var iframeDispatcher      = testCafeLegacyRunner.iframeDispatcher;

        var documentAddEventListener = window['%hammerhead%'].nativeMethods.documentAddEventListener;

        function initJQuery () {
            sandboxedJQuery.init(window, undefined);
            extendJQuerySelectors(sandboxedJQuery.jQuery);

            $ = jQuery = sandboxedJQuery.jQuery;
            jQueryDataMethodProxy.setup($);
        }

        testCafeLegacyRunner.SETTINGS.set({
            TAKE_SCREENSHOTS_ON_FAILS:     {{{takeScreenshotsOnFails}}},
            SKIP_JS_ERRORS:                {{{skipJsErrors}}},
            SELECTOR_TIMEOUT:              {{{selectorTimeout}}},
            ENABLE_SOURCE_INDEX:           true,
            NATIVE_DIALOGS_INFO:           {{{nativeDialogsInfo}}},

            PAGE_UNLOAD_BARRIER_TIMEOUT:          500,
            REQUESTS_COLLECTION_DELAY:            300,
            ADDITIONAL_REQUESTS_COLLECTION_DELAY: 100
        });

        if (!document.documentElement)
            documentAddEventListener.call(document, "DOMContentLoaded", initJQuery);
        else
            initJQuery();

        //NOTE: Override these methods to suppress native dialogs until the test runner in the iFrame gets initialized. (T188994)
        window.alert = window.confirm = window.prompt = new Function();

        iframeDispatcher.init(onTestRunnerInitialized);
    })();
})();