public void Create_ValidFormat_InvalidCase()
        {
            IEnumerable <string> supportedFormats = DocumentBuilderFactory.GetSupportedFormats();

            foreach (string format in supportedFormats)
            {
                Assert.IsNotNull(DocumentBuilderFactory.Create(format.ToUpper()));
            }
        }
 public void Create_InvalidFormat()
 {
     DocumentBuilderFactory.Create("some invalid format");
 }