public virtual void ReadWriteMultipleRegisters()
{
ushort startReadAddress = 120;
ushort numberOfPointsToRead = 5;
ushort startWriteAddress = 50;
ushort[] valuesToWrite = new ushort[] { 10, 20, 30, 40, 50 };
ushort[] valuesToRead = Master.ReadHoldingRegisters(SlaveAddress, startReadAddress, numberOfPointsToRead);
ushort[] readValues = Master.ReadWriteMultipleRegisters(SlaveAddress, startReadAddress, numberOfPointsToRead, startWriteAddress, valuesToWrite);
Assert.AreEqual(valuesToRead, readValues);
ushort[] writtenValues = Master.ReadHoldingRegisters(SlaveAddress, startWriteAddress, (ushort)valuesToWrite.Length);
Assert.AreEqual(valuesToWrite, writtenValues);
}