[TestMethod] // Oficial Example
public void WriteMultipleRegistersPDU_DocSampleReq()
{
var ClientPDU = new WriteMultipleRegistersPDU(1, new int[] { 10, 258 });
var DacRequest = new byte[]
{
0x10, // Code Function
0x00, 0x01, // Starting Address
0x00, 0x02, // Quantity
0x04, // Byte Count
0x00, 0x0A, // Value[0]
0x01, 0x02, // Value[1]
};
var OKResponse = new byte[]
{
0x10, // Code Function
0x00, 0x01, // Starting Address
0x00, 0x02, // Quantity
};
var ExResponse = new byte[]
{
0x90,
0x01,
};
CollectionAssert.AreEqual(DacRequest, ClientPDU.BuildRequest(), "Wrong Request");
Assert.AreEqual(Status.OK, ClientPDU.CheckResponse(OKResponse), "OK Status not recognited");
Assert.AreEqual(Status.Exception, ClientPDU.CheckResponse(ExResponse), "Exception Status not recognited");
Assert.AreEqual(0x01, ClientPDU.ExceptionCode, "Exception not recognited");
}
[TestMethod] // Handling Request on Server
public void WriteMultipleRegistersPDU_LifeCycle()
{
var RandomGen = new Random();
int Address = RandomGen.Next(MinAddress, MaxAddress);
int Quantity = RandomGen.Next(MinQuantity, MaxQuantity);
#region Build Server and Values
var Server = new BaseModbusServer();
var Value = new int[Quantity];
for (int i = 0; i < Quantity; i++)
{
Value[i] = RandomGen.Next(0xFFFF);
Server.AddHoldingRegister(Address + i);
}
#endregion
var ClientPDU = new WriteMultipleRegistersPDU(Address, Value);
var Request = ClientPDU.BuildRequest();
var ServerPDU = new WriteMultipleRegistersPDU();
var ReqStatus = ServerPDU.CheckRequest(Request);
Assert.AreEqual(Status.OK, ReqStatus, "Recognition Error");
Assert.AreEqual(Address, ServerPDU.StartingAddress, "Whong Address recognition in CheckRequest");
ServerPDU.Handle(Server);
CollectionAssert.AreEqual(Value, ServerPDU.Value, "Whong Address recognition in CheckRequest");
ClientPDU.CheckResponse(ServerPDU.BuildResponse());
CollectionAssert.AreEqual(Value, ClientPDU.Value, "Whong Address recognition in CheckRequest");
}