public void EncodeDecodeStringTest()
{
string str, enc, dec, exp;
str = "Hello There";
enc = XmlExtensions.EncodeString(str);
Assert.AreEqual(str, enc, "Encoded String 1");
dec = XmlExtensions.DecodeString(enc);
Assert.AreEqual(str, dec, "Decoded String 1");
str = "Greater > Less < Dot . Done!";
exp = "Greater _.g Less _.l Dot _.d Done!";
enc = XmlExtensions.EncodeString(str);
Assert.AreEqual(exp, enc, "Encoded String 2");
dec = XmlExtensions.DecodeString(enc);
Assert.AreEqual(str, dec, "Decoded String 2");
str = "<hello>";
exp = "_.lhello_.g";
enc = XmlExtensions.EncodeString(str);
Assert.AreEqual(exp, enc, "Encoded String 3");
dec = XmlExtensions.DecodeString(enc);
Assert.AreEqual(str, dec, "Decoded String 3");
}