public void RenderBeginTagTest ()
{
FileUpload fu = new FileUpload ();
fu.Page = new Page ();
string res;
using (StringWriter sw = new StringWriter ()) {
using (HtmlTextWriter htw = new HtmlTextWriter (sw)) {
fu.RenderBeginTag (htw);
}
sw.Close ();
res = sw.ToString ();
}
Assert.AreEqual ("<input type=\"file\" />", res);
}