public void JavaScriptShouldExecuteInTheContextOfTheCurrentFrame()
{
IJavaScriptExecutor executor = driver as IJavaScriptExecutor;
driver.Url = framesetPage;
Assert.IsTrue((bool)executor.ExecuteScript("return window == window.top"));
driver.SwitchTo().Frame("third");
Assert.IsTrue((bool)executor.ExecuteScript("return window != window.top"));
}