public void Text_RadixEncodingTest()
{
const string k_base36_digits = "abcdefghijklmnopqrstuvwxyz0123456789";
var base36 = new RadixEncoding(k_base36_digits, Shell.EndianFormat.Little, true);
var base36_no_zeros = new RadixEncoding(k_base36_digits, Shell.EndianFormat.Little, false);
byte[] ends_with_zero_neg = { 0xFF, 0xFF, 0x00, 0x00 };
byte[] ends_with_zero_pos = { 0xFF, 0x7F, 0x00, 0x00 };
byte[] text = System.Text.Encoding.ASCII.GetBytes("A test 1234");
Assert.IsTrue(Validate(base36, ends_with_zero_neg));
Assert.IsTrue(Validate(base36, ends_with_zero_pos));
Assert.IsTrue(Validate(base36_no_zeros, text));
const string k_base32_digits = "abcdefghijklmnopqrstuvwxyz012345";
var base32 = new RadixEncoding(k_base32_digits, Shell.EndianFormat.Big, true);
byte[] bytes = // fidm52dkvy545555i2ugzvmbd2kczbayaaaaaaaa
{
0x05, 0x0d, 0xf6, 0xf9, 0x50, 0x15, 0x7f, 0xff, 0xff, 0xff, 0x88, 0x53, 0x93, 0x2b, 0x0b, 0x83, 0x2b, 0x91, 0x03, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
};
Assert.IsTrue(Validate(base32, bytes));
// http://stackoverflow.com/questions/14110010/base-n-encoding-of-a-byte-array?noredirect=1#comment25188602_14110010
var base32_no_zeros = new RadixEncoding(k_base32_digits, Shell.EndianFormat.Big, false);
byte[] test = new byte[] {
0x12, 0xE7, 0x22, 0x39, 0x3A, 0x40, 0x60, 0x31, 0xC4, 0x15, 0x32, 0xA1, 0xCF, 0xCA, 0xF4, 0x77, 0xA0, 0x34, 0x21, 0xC9, 0xC9, 0xA4, 0x18, 0x6A, 0x54, 0x2C, 0x47, 0x5E, 0x0F, 0xD1, 0xEB, 0xB1 /*- 0x80*/
};
Assert.IsTrue(Validate(base32, test, true));
Assert.IsTrue(Validate(base32_no_zeros, test, true));
Assert.IsTrue(Validate(base36, test, true));
Assert.IsTrue(Validate(base36_no_zeros, test, true));
}
static bool Validate(RadixEncoding encoding, byte[] bytes, bool writeToConsole = false)
{
string encoded = encoding.Encode(bytes);
if (writeToConsole)
{
Console.WriteLine(encoded);
}
byte[] decoded = encoding.Decode(encoded);
if (writeToConsole)
{
Console.WriteLine(Util.ByteArrayToString(decoded));
}
return(bytes.EqualsArray(decoded));
}
