public XModemToolFactory()
{
int polynomial = XModemProtocolConfigurationSection.Settings.Polynomial.Value;
_table = new LookUpTable(polynomial);
_normalChecksumValidator = new NormalChecksumValidator(_calculator);
_validator = new PacketValidator(_normalChecksumValidator);
_normalPacketBuilder = new NormalPacketBuilder(_calculator);
_checksumTool = new XModemTool {
Builder = _normalPacketBuilder,
Validator = _validator
};
TableChanged();
}
public void NormalChecksumValidatorTest()
{
byte validLSB = 0x46;
byte invalidLSB = 0x95;
var data = new byte[] { 0x00, 0x19, 0x88, 0x33, 0x72, };
var validatedMessage = new List <byte>();
validatedMessage.AddRange(data);
validatedMessage.Add(validLSB);
var invalidatedMessage = new List <byte>();
invalidatedMessage.AddRange(data);
invalidatedMessage.Add(invalidLSB);
IChecksumValidator validator = new NormalChecksumValidator(new NormalChecksumCalculator());
Assert.IsTrue(validator.ValidateChecksum(validatedMessage));
Assert.IsFalse(validator.ValidateChecksum(invalidatedMessage));
}
