public void Reuse()
{
var crc = new Damm();
crc.ComputeHash(Encoding.ASCII.GetBytes("4428922675"));
Assert.Equal(6, crc.HashAsNumber);
Assert.Equal("36", BitConverter.ToString(crc.Hash).Replace("-", ""));
crc.ComputeHash(Encoding.ASCII.GetBytes("4428922675"));
Assert.Equal(6, crc.HashAsNumber);
Assert.Equal("36", BitConverter.ToString(crc.Hash).Replace("-", ""));
}
public void InvalidCharactersABC()
{
using var checksum = new Damm();
Assert.Throws <ArgumentOutOfRangeException>(() => {
var hash = checksum.ComputeHash(Encoding.UTF8.GetBytes("ABC"));
});
}
public void InvalidCharacters572()
{
using var checksum = new Damm();
Assert.Throws <ArgumentOutOfRangeException>(() => {
var hash = checksum.ComputeHash(new byte[] { 5, 7, 2 });
});
}
public void Basic()
{
using (var checksum = new Damm()) {
var hash = checksum.ComputeHash(new byte[] { 0x35, 0x37, 0x32 });
Assert.Equal("34", BitConverter.ToString(hash));
Assert.Equal(4, checksum.HashAsNumber);
Assert.Equal('4', checksum.HashAsChar);
}
}
public void BasicUtf8WithPrefix()
{
using (var checksum = new Damm()) {
var hash = checksum.ComputeHash(Encoding.UTF8.GetBytes("00572")); //any number of zeros can be added at front
Assert.Equal("4", Encoding.UTF8.GetString(hash));
Assert.Equal(4, checksum.HashAsNumber);
Assert.Equal('4', checksum.HashAsChar);
}
}
public void BasicUtf8()
{
using (var checksum = new Damm()) {
var hash = checksum.ComputeHash(Encoding.UTF8.GetBytes("572"));
Assert.Equal("4", Encoding.UTF8.GetString(hash));
Assert.Equal(4, checksum.HashAsNumber);
Assert.Equal('4', checksum.HashAsChar);
}
}
public void BasicAscii()
{
using var checksum = new Damm();
var hash = checksum.ComputeHash(Encoding.ASCII.GetBytes("572"));
Assert.Equal("4", Encoding.ASCII.GetString(hash));
Assert.Equal(4, checksum.HashAsNumber);
Assert.Equal('4', checksum.HashAsChar);
}
public void HelperComputeHashDashesFull()
{
var hash = Damm.ComputeHash("05-72", returnAllDigits: true);
Assert.Equal("05724", hash);
}
public void HelperComputeHashDashes()
{
var hash = Damm.ComputeHash("05-72");
Assert.Equal("4", hash);
}
public void HelperComputeHashSpaces()
{
var hash = Damm.ComputeHash(" 5 7 2 ");
Assert.Equal("4", hash);
}
void HelperComputeHashSpacesFull()
{
var hash = Damm.ComputeHash(" 5 7 2 ", returnAllDigits: true);
Assert.Equal("5724", hash);
}
