public void ReturnAUrlHelper_WhenCalledWithANonNullRequestContext()
{
var factory = new UrlHelperFactory();
var urlHelper = factory.Create(new RequestContext());
Assert.IsInstanceOf <UrlHelper>(urlHelper);
}
public void ThrowAnException_WhenCalledWithANullRequestContext()
{
var factory = new UrlHelperFactory();
Assert.Throws <ArgumentNullException>(() => factory.Create(null));
}