[TestMethod] // Oficial Example
public void WriteSingleRegisterPDU_DocSampleReq()
{
var PDU = new WriteSingleRegisterPDU(1, 3);
var ExpectedReq = new byte[]
{
0x06, // Function Code
0x00, 0x01, // Starting Address
0x00, 0x03, // Value
};
var OkResponse = new byte[]
{
0x06, // Function Code
0x00, 0x01, // Starting Address
0x00, 0x03, // Value
};
var ExResponse = new byte[]
{
0x86,
0x01,
};
CollectionAssert.AreEqual(ExpectedReq, PDU.BuildRequest(), "Wrong Request");
Assert.AreEqual(Status.OK, PDU.CheckResponse(OkResponse), "OK status not recognited");
Assert.AreEqual(Status.Exception, PDU.CheckResponse(ExResponse), "Exception status not recognited");
}
[TestMethod] // Handling Request on Server
public void WriteSingleRegisterPDU_LifeCycle()
{
var RandomGen = new Random();
int Address = RandomGen.Next(MinAddress, MaxAddress);
var Value = RandomGen.Next(0xFFFF);
var Server = new BaseModbusServer();
Server.AddHoldingRegister(Address);
var ClientPDU = new WriteSingleRegisterPDU(Address, Value);
var Request = ClientPDU.BuildRequest();
var ServerPDU = new WriteSingleRegisterPDU();
ServerPDU.CheckRequest(Request);
Assert.AreEqual(Address, ServerPDU.StartingAddress, "Whong Address recognition in CheckRequest");
ServerPDU.Handle(Server);
Assert.AreEqual(Value, ServerPDU.Value, "Whong Address recognition in CheckRequest");
ClientPDU.CheckResponse(ServerPDU.BuildResponse());
Assert.AreEqual(Value, ClientPDU.Value, "Whong Address recognition in CheckRequest");
}
