[TestMethod] // Oficial Example public void ReadCoilsPDU_DocSampleReq() { var PDU = new ReadCoilsPDU(19, 19); var ExpectedReq = new byte[] { 0x01, // Function Code 0x00, // Starting Address Hi 0x13, // Starting Address Lo 0x00, // Quantity of Inputs Hi 0x13, // Quantity of Inputs Lo }; var ActualReq = PDU.BuildRequest(); CollectionAssert.AreEqual(ExpectedReq, ActualReq, "Wrong Request"); }
[TestMethod] // Handling Request on Server public void ReadCoilsPDU_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 Values = new bool[Quantity]; for (int i = 0; i < Quantity; i++) { Values[i] = (RandomGen.Next(2) != 0); Server.AddCoil(Address + i, Values[i]); } #endregion var ClientPDU = new ReadCoilsPDU(Address, Quantity); var Request = ClientPDU.BuildRequest(); var ServerPDU = new ReadCoilsPDU(); var ReqStatus = ServerPDU.CheckRequest(Request); Assert.AreEqual(Modbus.Common.Status.OK, ReqStatus, "Recognition Error"); Assert.AreEqual(Address, ServerPDU.StartingAddress, "Whong Address recognition in CheckRequest"); Assert.AreEqual(Quantity, ServerPDU.Quantity, "Whong Quantity recognition in CheckRequest"); ServerPDU.Handle(Server); CollectionAssert.AreEqual(Values, ServerPDU.Value, "Whong Address recognition in CheckRequest"); ClientPDU.CheckResponse(ServerPDU.BuildResponse()); CollectionAssert.AreEqual(Values, ClientPDU.Value, "Whong Address recognition in CheckRequest"); }