public void CreateResponse_SlaveException()
{
ModbusTransport transport = new ModbusAsciiTransport(MockRepository.GenerateStub <IStreamResource>());
byte[] frame = { 2, 129, 2 };
IModbusMessage message =
transport.CreateResponse <ReadCoilsInputsResponse>(
Enumerable.Concat(frame, SequenceUtility.ToSequence(ModbusUtility.CalculateLrc(frame))).ToArray());
Assert.IsTrue(message is SlaveExceptionResponse);
}
public void CreateModbusMessageReturnQueryDataRequestResponse()
{
byte slaveAddress = 5;
RegisterCollection data = new RegisterCollection(50);
byte[] frame = SequenceUtility.ToSequence <byte>(slaveAddress, 8, 0, 0).Concat(data.NetworkBytes).ToArray();
DiagnosticsRequestResponse message = ModbusMessageFactory.CreateModbusMessage <DiagnosticsRequestResponse>(frame);
DiagnosticsRequestResponse expectedMessage = new DiagnosticsRequestResponse(Modbus.DiagnosticsReturnQueryData, slaveAddress, data);
Assert.AreEqual(expectedMessage.SubFunctionCode, message.SubFunctionCode);
AssertModbusMessagePropertiesAreEqual(expectedMessage, message);
}
public void ReadResponseSlaveException()
{
MockRepository mocks = new MockRepository();
ModbusRtuTransport transport = mocks.PartialMock <ModbusRtuTransport>(MockRepository.GenerateStub <IStreamResource>());
byte[] messageFrame = { 0x01, 0x81, 0x02 };
byte[] crc = ModbusUtility.CalculateCrc(messageFrame);
Expect.Call(transport.Read(ModbusRtuTransport.ResponseFrameStartLength))
.Return(messageFrame.Concat(SequenceUtility.ToSequence(crc[0])).ToArray());
Expect.Call(transport.Read(1))
.Return(new byte[] { crc[1] });
mocks.ReplayAll();
Assert.IsTrue(transport.ReadResponse <ReadCoilsInputsResponse>() is SlaveExceptionResponse);
mocks.VerifyAll();
}
