public void Replace()
        {
            AsciiString abcd = new AsciiString("abcd");

            Assert.Equal(new AsciiString("adcd"), abcd.Replace('b', 'd'));
            Assert.Equal(new AsciiString("dbcd"), abcd.Replace('a', 'd'));
            Assert.Equal(new AsciiString("abca"), abcd.Replace('d', 'a'));
            Assert.Same(abcd, abcd.Replace('x', 'a'));
            Assert.Equal(new AsciiString("cc"), new AsciiString("abcd", 1, 2).Replace('b', 'c'));
            Assert.Equal(new AsciiString("bb"), new AsciiString("abcd", 1, 2).Replace('c', 'b'));
            Assert.Equal(new AsciiString("bddd"), new AsciiString("abcdc", 1, 4).Replace('c', 'd'));
            Assert.Equal(new AsciiString("xbcxd"), new AsciiString("abcada", 0, 5).Replace('a', 'x'));
        }
 public override string ToString()
 {
     return(string.Format("{4}: {0} \t{1} \t{2} \t{3}", Convert.ToString(MachineName), HexString, AsciiString.Replace("\n", @"\n"), FieldString, OffsetFile));
 }