public void CrcImplementTest()
{
var testData = new byte[128];
new Random(Guid.NewGuid().GetHashCode()).NextBytes(testData);
foreach (var item in Enum.GetValues <CrcAlgorithmType>())
{
if (item != CrcAlgorithmType.None)
{
var crcS = CrcFactory.GetCrc(item);
Assert.NotNull(crcS);
var sv = crcS.GetCrcValue(testData);
var sb = crcS.GetCrcBytes(testData);
var ss = crcS.Append(sv, testData);
var crcG = CrcFactory.GetCrc(crcS.Argument);
var gv = crcG.GetCrcValue(testData);
var gb = crcG.GetCrcBytes(testData);
var gs = crcG.Append(gv, testData);
Assert.Equal(sv, gv);
Assert.Equal(sb, gb);
}
}
}
public void Crc7MmcTest(string data, string hex, string bin)
{
var function = CrcFactory.Create(CrcTypes.Crc7Mmc);
var hashVal = function.ComputeHash(data);
hashVal.GetHexString(true).ShouldBe(hex);
hashVal.GetBinString(true).ShouldBe(bin);
}
public void Crc10Cdma2000Test(string data, string hex, string bin, string binWithZero)
{
var function = CrcFactory.Create(CrcTypes.Crc10Cdma2000);
var hashVal = function.ComputeHash(data);
hashVal.GetHexString(true).ShouldBe(hex);
hashVal.GetBinString().ShouldBe(bin);
hashVal.GetBinString(true).ShouldBe(binWithZero);
}
public void AlgorithmCompareWithGeneral(CrcAlgorithmType type)
{
var testData = new byte[] { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39 };
var crc1 = CrcFactory.GetCrc(type);
var crc2 = CrcFactory.GetCrc(crc1.Argument);
var result1 = crc1.GetCrcValue(testData);
var result2 = crc2.GetCrcValue(testData);
Assert.Equal(result1, result2);
}
public void Crc8MaximTest()
{
var testData1 = new byte[] { 0xAA, 0x01, 0x02, 0x00, 0x64 };
var testData2 = new byte[] { 0xAA, 0x02, 0x04, 0x00, 0x64, 0xFF, 0x9C };
var crc = CrcFactory.GetCrc(CrcAlgorithmType.CRC_8_MAXIM);
var v1 = crc.GetCrcBytes(testData1);
Assert.True(v1.Length == 1 && v1[0] == 0x4A);
var v2 = crc.GetCrcBytes(testData2);
Assert.True(v2[0] == 0x8A);
}
public void AlgorithmTest()
{
var testData = new byte[] { 0x41, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
var ccitt = CrcFactory.GetCrc(CrcAlgorithmType.CRC_16_CCITT);
var ccittValue = ccitt.GetCrcValue(testData);
Assert.Equal((ulong)0x09d5, ccittValue);
var modbus = CrcFactory.GetCrc(CrcAlgorithmType.CRC_16_MODBUS);
var modbusValue = modbus.GetCrcBytes(testData);
Assert.Equal(new byte[] { 0x8B, 0x4C }, modbusValue);
var crc64 = CrcFactory.GetCrc(CrcAlgorithmType.CRC_64);
var crc64Value = crc64.GetCrcBytes(testData);
Assert.Equal(8, crc64Value.Length);
}