public void CalculateLrcNull()
{
ModbusUtility.CalculateLrc(null);
Assert.Fail();
}
public void CalculateLrc()
{
ReadCoilsInputsRequest request = new ReadCoilsInputsRequest(Modbus.ReadCoils, 1, 1, 10);
Assert.AreEqual(243, ModbusUtility.CalculateLrc(new byte[] { 1, 1, 0, 1, 0, 10 }));
}
internal override bool ChecksumsMatch(IModbusMessage message, byte[] messageFrame)
{
return(ModbusUtility.CalculateLrc(message.MessageFrame) == messageFrame[messageFrame.Length - 1]);
}
public void CalculateLrcEmpty()
{
Assert.AreEqual(0, ModbusUtility.CalculateLrc(new byte[] {}));
}
public void CalculateLrc2()
{
//: 02 01 0000 0001 FC
ReadCoilsInputsRequest request = new ReadCoilsInputsRequest(Modbus.ReadCoils, 2, 0, 1);
Assert.AreEqual(252, ModbusUtility.CalculateLrc(new byte[] { 2, 1, 0, 0, 0, 1}));
}
public void CreateResponse_SlaveException()
{
ModbusTransport transport = new ModbusAsciiTransport(MockRepository.GenerateStub <IStreamResource>());
byte[] frame = { 2, 129, 2 };
IModbusMessage message = transport.CreateResponse <ReadCoilsInputsResponse>(frame.Concat(SequenceUtility.ToSequence(ModbusUtility.CalculateLrc(frame))).ToArray());
Assert.IsTrue(message is SlaveExceptionResponse);
}
public void CalculateLrcNull()
{
Assert.Throws <ArgumentNullException>(() => ModbusUtility.CalculateLrc(null));
}
internal override bool ChecksumsMatch(IModbusMessage message, byte[] messageFrame) => ModbusUtility.CalculateLrc(message.MessageFrame) == messageFrame[^ 1];