public void TcpOverSocketTest()
{
var model = new ModbusModel();
var scanner = new ModbusTCPScanner();
using (var server = new TcpServerModel(model, scanner))
using (var master = ModbusMaster.TCP(IPAddress.Loopback.ToString(), server.Port))
{
//race condition avoided by access order
H.SharedSlaveTest(model, master);
}
}
public void TcpExceptionOverSocketTest()
{
var model = new ModbusModel();
var scanner = new ModbusTCPScanner();
using (var server = new TcpServerModel(model, scanner))
using (var master = ModbusMaster.TCP(IPAddress.Loopback.ToString(), server.Port))
{
var ex = Assert.Throws <ModbusException>(() => H.SharedExceptionTest(master));
Assert.AreEqual("Modbus exception 2", ex.Message);
Assert.AreEqual(2, ex.Code);
}
}
public void RtuOverSocketTest()
{
var model = new ModbusModel();
var scanner = new ModbusRTUScanner();
using (var server = new TcpServerModel(model, scanner))
using (var client = new TcpClient())
{
client.Connect(IPAddress.Loopback, server.Port);
var stream = new ModbusSocketStream(client, 400);
var master = new ModbusMaster(stream, new ModbusRTUProtocol());
//race condition avoided by access order
H.SharedSlaveTest(model, master);
}
}
public void RtuExceptionOverSocketTest()
{
var model = new ModbusModel();
var scanner = new ModbusRTUScanner();
using (var server = new TcpServerModel(model, scanner))
using (var client = new TcpClient())
{
client.Connect(IPAddress.Loopback, server.Port);
var stream = new ModbusSocketStream(client, 400);
var master = new ModbusMaster(stream, new ModbusRTUProtocol());
var ex = Assert.Throws <ModbusException>(() => H.SharedExceptionTest(master));
Assert.AreEqual("Modbus exception 2", ex.Message);
Assert.AreEqual(2, ex.Code);
}
}
public void TcpRetryAfterTimeoutTest()
{
var model = new ModbusModel();
var scanner = new ModbusTCPScanner();
using (var server = new TcpServerModel(model, scanner))
using (var master = ModbusMaster.TCP(IPAddress.Loopback.ToString(), server.Port, 50))
{
server.delay = 100;
Assert.Throws(typeof(Exception), () => master.WriteCoil(0, 0, false));
//client side delay needed to eat all server side delay otherwise
//the added socket stream discard on write will still throw tid mismatch
System.Threading.Thread.Sleep(100);
server.delay = 0;
master.WriteCoil(0, 0, false);
}
}
