iTextSharp.text.pdf.RandomAccessFileOrArray.Read C# (CSharp) Метод

        public int Read()
        {
            if (isBack) {
                isBack = false;
                return back & 0xff;
            }
            if (arrayIn == null)
                return rf.ReadByte();
            else {
                if (arrayInPtr >= arrayIn.Length)
                    return -1;
                return arrayIn[arrayInPtr++] & 0xff;
            }
        }

 virtual public void TestSeek()
 {
     RandomAccessFileOrArray rafoa = new RandomAccessFileOrArray(new RandomAccessSourceFactory().CreateSource(data));
     rafoa.Seek(72);
     for (int i = 72; i < data.Length; i++)
     {
         Assert.AreEqual(data[i], (byte)rafoa.Read());
     }
 }