0x00000000)] // http://crccalc.com says the value should be 0xD202EF8D, however logic says it must be incorrect
public void Crc32_ChainingSamples(String input, UInt32 expected)
{
var output = CrcAlgorithm.CreateCrc32()
.Append(Encoding.ASCII.GetBytes(input))
.ToUInt64();
Assert.Equal(expected, output);
}
0xFFFF)] // http://crccalc.com says the value should be 0xE1F0, however logic says it must be incorrect
public void Crc16CittFalse_Samples(String input, UInt16 expected)
{
var crc = CrcAlgorithm.CreateCrc16CcittFalse();
crc.Append(Encoding.ASCII.GetBytes(input));
var output = crc.ToUInt64();
Assert.Equal(expected, output);
}
public void Crc16XModem()
{
String expected;
String output;
var crc = CrcAlgorithm.CreateCrc16Xmodem();
// 0 bytes
expected = Crc16Ccitt.ComputeInteger(new Byte[] { }).ToHexString(2);
output = crc.ToHexString();
Assert.Equal(expected, output);
// 1 byte complete
for (Byte i = 0; i < Byte.MaxValue; i++)
{
// Compute expected
expected = Crc16Ccitt.ComputeInteger(new[] { i }).ToHexString(2);
// Compute actual
crc.Append(new Byte[] { i });
output = crc.ToHexString();
crc.Clear();
// Compare
Assert.Equal(expected, output);
}
// 2 byte complete
for (Byte i = 0; i < Byte.MaxValue; i++)
{
for (Byte j = 0; j < Byte.MaxValue; j++)
{
// Compute expected
expected = Crc16Ccitt.ComputeInteger(new[] { i, j }).ToHexString(2);
// Compute actual
crc.Append(new[] { i, j });
output = crc.ToHexString();
crc.Clear();
// Compare
Assert.Equal(expected, output);
}
}
// 3-256 byte
for (Byte length = 0; length < Byte.MaxValue; length++)
{
for (Byte b = 0; b < Byte.MaxValue; b++)
{
var input = new Byte[length];
for (var i = 0; i < input.Length; i++)
{
input[i] = b;
}
// Compute expected
expected = Crc16Ccitt.ComputeInteger(input).ToHexString(2);
// Compute actual
crc.Append(input);
output = crc.ToHexString();
crc.Clear();
// Compare
Assert.Equal(expected, output);
}
}
}
