public void TestBase64Decode()
{
Assert.AreEqual("x", Base64.Decode("eA"));
Assert.AreEqual("xx", Base64.Decode("eHg"));
Assert.AreEqual("xxx", Base64.Decode("eHh4"));
Assert.AreEqual("xxxx", Base64.Decode("eHh4eA"));
Assert.AreEqual("xxxxx", Base64.Decode("eHh4eHg"));
Assert.AreEqual("xxxxxx", Base64.Decode("eHh4eHh4"));
Assert.AreEqual("\xff\xee", Base64.Decode("_-4"));
}