public void InOutBufferFilled_Flush_Once()
{
using (SerialPort com1 = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
using (SerialPort com2 = new SerialPort(TCSupport.LocalMachineSerialInfo.SecondAvailablePortName))
{
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com1, DEFAULT_BUFFER_SIZE);
var t = new Task(asyncWriteRndByteArray.WriteRndByteArray);
byte[] xmitBytes = new byte[DEFAULT_BUFFER_SIZE];
Debug.WriteLine("Verifying Flush method after input and output buffer has been filled");
com1.Open();
com2.Open();
com1.WriteTimeout = 500;
com1.Handshake = Handshake.RequestToSend;
for (int i = 0; i < xmitBytes.Length; i++)
{
xmitBytes[i] = (byte)i;
}
com2.Write(xmitBytes, 0, xmitBytes.Length);
TCSupport.WaitForReadBufferToLoad(com1, DEFAULT_BUFFER_SIZE);
t.Start();
TCSupport.WaitForWriteBufferToLoad(com1, DEFAULT_BUFFER_LENGTH);
VerifyFlush(com1);
TCSupport.WaitForTaskCompletion(t);
}
}
public void OutBufferFilled_Flush_Once()
{
using (SerialPort com1 = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
{
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com1, DEFAULT_BUFFER_SIZE);
Thread t = new Thread(asyncWriteRndByteArray.WriteRndByteArray);
Debug.WriteLine("Verifying Flush method after output buffer has been filled");
com1.Open();
com1.WriteTimeout = 500;
com1.Handshake = Handshake.RequestToSend;
t.Start();
TCSupport.WaitForWriteBufferToLoad(com1, DEFAULT_BUFFER_LENGTH);
VerifyFlush(com1);
// Wait for write method to timeout
while (t.IsAlive)
{
Thread.Sleep(100);
}
}
}
public void Handshake_None()
{
using (SerialPort com = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
{
var asyncWriteRndByteArray = new AsyncWriteRndByteArray(com, BYTE_SIZE_HANDSHAKE);
var t = new Thread(asyncWriteRndByteArray.WriteRndByteArray);
// Write a random byte[] asynchronously so we can verify some things while the write call is blocking
Debug.WriteLine("Verifying Handshake=None");
com.Open();
t.Start();
var waitTime = 0;
while (t.ThreadState == ThreadState.Unstarted && waitTime < 2000)
{
// Wait for the thread to start
Thread.Sleep(50);
waitTime += 50;
}
// Wait for write method to timeout
while (t.IsAlive)
{
Thread.Sleep(100);
}
Assert.Equal(0, com.BytesToWrite);
}
}
public void BytesToWriteSuccessive()
{
using (SerialPort com = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
{
var asyncWriteRndByteArray = new AsyncWriteRndByteArray(com, s_BYTE_SIZE_BYTES_TO_WRITE);
var t1 = new Task(asyncWriteRndByteArray.WriteRndByteArray);
var t2 = new Task(asyncWriteRndByteArray.WriteRndByteArray);
Debug.WriteLine("Verifying BytesToWrite with successive calls to Write");
com.Handshake = Handshake.RequestToSend;
com.Open();
com.WriteTimeout = 4000;
// Write a random byte[] asynchronously so we can verify some things while the write call is blocking
t1.Start();
TCSupport.WaitForTaskToStart(t1);
TCSupport.WaitForExactWriteBufferLoad(com, s_BYTE_SIZE_BYTES_TO_WRITE);
// Write a random byte[] asynchronously so we can verify some things while the write call is blocking
t2.Start();
TCSupport.WaitForTaskToStart(t2);
TCSupport.WaitForExactWriteBufferLoad(com, s_BYTE_SIZE_BYTES_TO_WRITE * 2);
// Wait for both write methods to timeout
var aggregatedException = Assert.Throws <AggregateException>(() => TCSupport.WaitForTaskCompletion(t2));
Assert.IsType <IOException>(aggregatedException.InnerException);
}
}
public void BytesToWrite()
{
using (SerialPort com = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
{
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com, BYTE_SIZE_BYTES_TO_WRITE);
Thread t = new Thread(asyncWriteRndByteArray.WriteRndByteArray);
int waitTime;
Debug.WriteLine("Verifying BytesToWrite with one call to Write");
com.Handshake = Handshake.RequestToSend;
com.Open();
com.WriteTimeout = 500;
//Write a random byte[] asynchronously so we can verify some things while the write call is blocking
t.Start();
waitTime = 0;
while (t.ThreadState == ThreadState.Unstarted && waitTime < 2000)
{ //Wait for the thread to start
Thread.Sleep(50);
waitTime += 50;
}
TCSupport.WaitForExactWriteBufferLoad(com, BYTE_SIZE_BYTES_TO_WRITE);
//Wait for write method to timeout
while (t.IsAlive)
{
Thread.Sleep(100);
}
}
}
public void Handshake_None()
{
using (SerialPort com = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
{
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com, BYTE_SIZE_HANDSHAKE);
System.Threading.Thread t = new System.Threading.Thread(asyncWriteRndByteArray.WriteRndByteArray);
int waitTime;
//Write a random byte[] asynchronously so we can verify some things while the write call is blocking
Debug.WriteLine("Verifying Handshake=None");
com.Open();
t.Start();
waitTime = 0;
while (t.ThreadState == System.Threading.ThreadState.Unstarted && waitTime < 2000)
{ //Wait for the thread to start
System.Threading.Thread.Sleep(50);
waitTime += 50;
}
//Wait for write method to timeout
while (t.IsAlive)
{
System.Threading.Thread.Sleep(100);
}
if (0 != com.BytesToWrite)
{
Fail("ERROR!!! Expcted BytesToWrite=0 actual {0}", com.BytesToWrite);
}
}
}
public void OutBufferFilled_Flush_Multiple()
{
using (SerialPort com1 = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
{
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com1, DEFAULT_BUFFER_SIZE);
Thread t = new Thread(asyncWriteRndByteArray.WriteRndByteArray);
int elapsedTime;
Debug.WriteLine("Verifying call Flush method several times after output buffer has been filled");
com1.Open();
com1.WriteTimeout = 500;
com1.Handshake = Handshake.RequestToSend;
t.Start();
elapsedTime = 0;
while (com1.BytesToWrite < DEFAULT_BUFFER_LENGTH && elapsedTime < MAX_WAIT_TIME)
{
Thread.Sleep(50);
elapsedTime += 50;
}
VerifyFlush(com1);
VerifyFlush(com1);
VerifyFlush(com1);
// Wait for write method to timeout
while (t.IsAlive)
{
Thread.Sleep(100);
}
}
}
public void InOutBufferFilled_Flush_Cycle()
{
using (SerialPort com1 = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
using (SerialPort com2 = new SerialPort(TCSupport.LocalMachineSerialInfo.SecondAvailablePortName))
{
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com1, DEFAULT_BUFFER_SIZE);
Thread t1 = new Thread(asyncWriteRndByteArray.WriteRndByteArray);
Thread t2 = new Thread(asyncWriteRndByteArray.WriteRndByteArray);
byte[] xmitBytes = new byte[DEFAULT_BUFFER_SIZE];
Debug.WriteLine(
"Verifying call Flush method after input and output buffer has been filled discarded and filled again");
com1.Open();
com2.Open();
com1.WriteTimeout = 500;
com1.Handshake = Handshake.RequestToSend;
for (int i = 0; i < xmitBytes.Length; i++)
{
xmitBytes[i] = (byte)i;
}
com2.Write(xmitBytes, 0, xmitBytes.Length);
TCSupport.WaitForReadBufferToLoad(com1, DEFAULT_BUFFER_SIZE);
t1.Start();
TCSupport.WaitForWriteBufferToLoad(com1, DEFAULT_BUFFER_LENGTH);
VerifyFlush(com1);
// Wait for write method to timeout
while (t1.IsAlive)
{
Thread.Sleep(100);
}
t2.Start();
TCSupport.WaitForWriteBufferToLoad(com1, DEFAULT_BUFFER_LENGTH);
com2.Write(xmitBytes, 0, xmitBytes.Length);
TCSupport.WaitForReadBufferToLoad(com1, DEFAULT_BUFFER_SIZE);
VerifyFlush(com1);
// Wait for write method to timeout
while (t2.IsAlive)
{
Thread.Sleep(100);
}
}
}
private bool BytesToWrite()
{
SerialPort com = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName);
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com, BYTE_SIZE_BYTES_TO_WRITE);
System.Threading.Thread t = new System.Threading.Thread(new System.Threading.ThreadStart(asyncWriteRndByteArray.WriteRndByteArray));
bool retValue = true;
int waitTime = 0;
Console.WriteLine("Verifying BytesToWrite with one call to Write");
com.Handshake = Handshake.RequestToSend;
com.Open();
com.WriteTimeout = 500;
//Write a random byte[] asynchronously so we can verify some things while the write call is blocking
t.Start();
waitTime = 0;
while (t.ThreadState == System.Threading.ThreadState.Unstarted && waitTime < 2000)
{ //Wait for the thread to start
System.Threading.Thread.Sleep(50);
waitTime += 50;
}
waitTime = 0;
while (BYTE_SIZE_BYTES_TO_WRITE > com.BytesToWrite && waitTime < 500)
{
System.Threading.Thread.Sleep(50);
waitTime += 50;
}
if (BYTE_SIZE_BYTES_TO_WRITE != com.BytesToWrite)
{
retValue = false;
Console.WriteLine("ERROR!!! Expcted BytesToWrite={0} actual {1} after first write", BYTE_SIZE_BYTES_TO_WRITE, com.BytesToWrite);
}
//Wait for write method to timeout
while (t.IsAlive)
{
System.Threading.Thread.Sleep(100);
}
if (com.IsOpen)
{
com.Close();
}
if (!retValue)
{
Console.WriteLine("Err_007!!! Verifying BytesToWrite with one call to Write FAILED");
}
return(retValue);
}
public void InOutBufferFilled_Flush_Multiple()
{
using (SerialPort com1 = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
using (SerialPort com2 = new SerialPort(TCSupport.LocalMachineSerialInfo.SecondAvailablePortName))
{
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com1, DEFAULT_BUFFER_SIZE);
Thread t = new Thread(asyncWriteRndByteArray.WriteRndByteArray);
int elapsedTime = 0;
byte[] xmitBytes = new byte[DEFAULT_BUFFER_SIZE];
Debug.WriteLine(
"Verifying call Flush method several times after input and output buffer has been filled");
com1.Open();
com2.Open();
com1.WriteTimeout = 500;
com1.Handshake = Handshake.RequestToSend;
for (int i = 0; i < xmitBytes.Length; i++)
{
xmitBytes[i] = (byte)i;
}
com2.Write(xmitBytes, 0, xmitBytes.Length);
while (com1.BytesToRead < DEFAULT_BUFFER_SIZE && elapsedTime < MAX_WAIT_TIME)
{
Thread.Sleep(50);
elapsedTime += 50;
}
t.Start();
elapsedTime = 0;
while (com1.BytesToWrite < DEFAULT_BUFFER_LENGTH && elapsedTime < MAX_WAIT_TIME)
{
Thread.Sleep(50);
elapsedTime += 50;
}
VerifyFlush(com1);
VerifyFlush(com1);
VerifyFlush(com1);
// Wait for write method to timeout
while (t.IsAlive)
{
Thread.Sleep(100);
}
}
}
public bool Handshake_None()
{
SerialPort com = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName);
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com);
System.Threading.Thread t = new System.Threading.Thread(new System.Threading.ThreadStart(asyncWriteRndByteArray.WriteRndByteArray));
bool retValue = true;
int waitTime;
//Write a random byte[] asynchronously so we can verify some things while the write call is blocking
Console.WriteLine("Verifying Handshake=None");
com.Open();
t.Start();
waitTime = 0;
while (t.ThreadState == System.Threading.ThreadState.Unstarted && waitTime < 2000)
{ //Wait for the thread to start
System.Threading.Thread.Sleep(50);
waitTime += 50;
}
//Wait for both write methods to timeout
while (t.IsAlive)
{
System.Threading.Thread.Sleep(100);
}
if (0 != com.BytesToWrite)
{
retValue = false;
Console.WriteLine("ERROR!!! Expcted BytesToWrite=0 actual {0}", com.BytesToWrite);
}
if (!retValue)
{
Console.WriteLine("Err_009!!! Verifying Handshake=None FAILED");
}
if (com.IsOpen)
{
com.Close();
}
return(retValue);
}
public void Handshake_None()
{
using (SerialPort com = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
{
var asyncWriteRndByteArray = new AsyncWriteRndByteArray(com, s_BYTE_SIZE_HANDSHAKE);
var t = new Task(asyncWriteRndByteArray.WriteRndByteArray);
// Write a random byte[] asynchronously so we can verify some things while the write call is blocking
Debug.WriteLine("Verifying Handshake=None");
com.Open();
t.Start();
TCSupport.WaitForTaskCompletion(t);
Assert.Equal(0, com.BytesToWrite);
}
}
public bool OutBufferFilled_Flush_Multiple()
{
SerialPort com1 = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName);
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com1, DEFAULT_BUFFER_SIZE);
System.Threading.Thread t = new System.Threading.Thread(new System.Threading.ThreadStart(asyncWriteRndByteArray.WriteRndByteArray));
bool retValue = true;
int elapsedTime = 0;
Console.WriteLine("Verifying call Flush method several times after output buffer has been filled");
com1.Open();
com1.WriteTimeout = 500;
com1.Handshake = Handshake.RequestToSend;
t.Start();
elapsedTime = 0;
while (com1.BytesToWrite < DEFAULT_BUFFER_LENGTH && elapsedTime < MAX_WAIT_TIME)
{
System.Threading.Thread.Sleep(50);
elapsedTime += 50;
}
retValue &= VerifyFlush(com1);
retValue &= VerifyFlush(com1);
retValue &= VerifyFlush(com1);
//Wait for write method to timeout
while (t.IsAlive)
{
System.Threading.Thread.Sleep(100);
}
if (!retValue)
{
Console.WriteLine("Err_005!!! Verifying call Flush method several times after output buffer has been filled FAILED");
}
if (com1.IsOpen)
{
com1.Close();
}
return(retValue);
}
public void BytesToWrite()
{
using (SerialPort com = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
{
var asyncWriteRndByteArray = new AsyncWriteRndByteArray(com);
var t = new Thread(asyncWriteRndByteArray.WriteRndByteArray);
int waitTime;
Debug.WriteLine("Verifying BytesToWrite with one call to Write");
com.Handshake = Handshake.RequestToSend;
com.Open();
com.WriteTimeout = 200;
// Write a random byte[] asynchronously so we can verify some things while the write call is blocking
t.Start();
waitTime = 0;
while (t.ThreadState == ThreadState.Unstarted && waitTime < 2000)
{
// Wait for the thread to start
Thread.Sleep(50);
waitTime += 50;
}
waitTime = 0;
while (com.BytesToWrite < 1 && waitTime < 250)
{
Thread.Sleep(50);
waitTime += 50;
}
if (1 != com.BytesToWrite)
{
Fail("ERROR!!! Expcted BytesToWrite={0} actual {1} after first write", 1,
com.BytesToWrite);
}
// Wait for write method to timeout
while (t.IsAlive)
{
Thread.Sleep(100);
}
}
}
public void BytesToWrite()
{
using (SerialPort com = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
{
var asyncWriteRndByteArray = new AsyncWriteRndByteArray(com, s_BYTE_SIZE_BYTES_TO_WRITE);
var t = new Task(asyncWriteRndByteArray.WriteRndByteArray);
Debug.WriteLine("Verifying BytesToWrite with one call to Write");
com.Handshake = Handshake.RequestToSend;
com.Open();
com.WriteTimeout = 500;
// Write a random byte[] asynchronously so we can verify some things while the write call is blocking
t.Start();
TCSupport.WaitForTaskToStart(t);
TCSupport.WaitForWriteBufferToLoad(com, s_BYTE_SIZE_BYTES_TO_WRITE);
TCSupport.WaitForTaskCompletion(t);
}
}
public void OutBufferFilled_Flush_Once()
{
using (SerialPort com1 = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
{
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com1, DEFAULT_BUFFER_SIZE);
var t = new Task(asyncWriteRndByteArray.WriteRndByteArray);
Debug.WriteLine("Verifying Flush method after output buffer has been filled");
com1.Open();
com1.WriteTimeout = 500;
com1.Handshake = Handshake.RequestToSend;
t.Start();
TCSupport.WaitForWriteBufferToLoad(com1, DEFAULT_BUFFER_LENGTH);
VerifyFlush(com1);
TCSupport.WaitForTaskCompletion(t);
}
}
public void OutBufferFilled_Flush_Cycle()
{
using (SerialPort com1 = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
{
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com1, DEFAULT_BUFFER_SIZE);
var t1 = new Task(asyncWriteRndByteArray.WriteRndByteArray);
var t2 = new Task(asyncWriteRndByteArray.WriteRndByteArray);
int elapsedTime;
Debug.WriteLine(
"Verifying call Flush method after output buffer has been filled discarded and filled again");
com1.Open();
com1.WriteTimeout = 500;
com1.Handshake = Handshake.RequestToSend;
t1.Start();
elapsedTime = 0;
while (com1.BytesToWrite < DEFAULT_BUFFER_LENGTH && elapsedTime < MAX_WAIT_TIME)
{
Thread.Sleep(50);
elapsedTime += 50;
}
VerifyFlush(com1);
TCSupport.WaitForTaskCompletion(t1);
t2.Start();
TCSupport.WaitForWriteBufferToLoad(com1, DEFAULT_BUFFER_LENGTH);
VerifyFlush(com1);
TCSupport.WaitForTaskCompletion(t2);
}
}
public void BytesToWriteSuccessive()
{
using (SerialPort com = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
{
var asyncWriteRndByteArray = new AsyncWriteRndByteArray(com, BYTE_SIZE_BYTES_TO_WRITE);
var t1 = new Thread(asyncWriteRndByteArray.WriteRndByteArray);
var t2 = new Thread(asyncWriteRndByteArray.WriteRndByteArray);
Debug.WriteLine("Verifying BytesToWrite with successive calls to Write");
com.Handshake = Handshake.RequestToSend;
com.Open();
com.WriteTimeout = 4000;
// Write a random byte[] asynchronously so we can verify some things while the write call is blocking
t1.Start();
var waitTime = 0;
while (t1.ThreadState == ThreadState.Unstarted && waitTime < 2000)
{
// Wait for the thread to start
Thread.Sleep(50);
waitTime += 50;
}
waitTime = 0;
while (BYTE_SIZE_BYTES_TO_WRITE > com.BytesToWrite && waitTime < 500)
{
Thread.Sleep(50);
waitTime += 50;
}
Assert.Equal(BYTE_SIZE_BYTES_TO_WRITE, com.BytesToWrite);
// Write a random byte[] asynchronously so we can verify some things while the write call is blocking
t2.Start();
waitTime = 0;
while (t2.ThreadState == ThreadState.Unstarted && waitTime < 2000)
{
// Wait for the thread to start
Thread.Sleep(50);
waitTime += 50;
}
waitTime = 0;
while (BYTE_SIZE_BYTES_TO_WRITE * 2 > com.BytesToWrite && waitTime < 500)
{
Thread.Sleep(50);
waitTime += 50;
}
Assert.Equal(BYTE_SIZE_BYTES_TO_WRITE * 2, com.BytesToWrite);
// Wait for both write methods to timeout
while (t1.IsAlive || t2.IsAlive)
{
Thread.Sleep(100);
}
}
}
public bool OutBufferFilled_Flush_Cycle()
{
SerialPort com1 = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName);
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com1, DEFAULT_BUFFER_SIZE);
System.Threading.Thread t1 = new System.Threading.Thread(new System.Threading.ThreadStart(asyncWriteRndByteArray.WriteRndByteArray));
System.Threading.Thread t2 = new System.Threading.Thread(new System.Threading.ThreadStart(asyncWriteRndByteArray.WriteRndByteArray));
bool retValue = true;
int elapsedTime = 0;
Console.WriteLine("Verifying call Flush method after output buffer has been filled discarded and filled again");
com1.Open();
com1.WriteTimeout = 500;
com1.Handshake = Handshake.RequestToSend;
t1.Start();
elapsedTime = 0;
while (com1.BytesToWrite < DEFAULT_BUFFER_LENGTH && elapsedTime < MAX_WAIT_TIME)
{
System.Threading.Thread.Sleep(50);
elapsedTime += 50;
}
if (!VerifyFlush(com1))
{
Console.WriteLine("Err_29292jsazie Verifying Flush FAILED after buffer was filled once");
retValue = false;
}
//Wait for write method to timeout
while (t1.IsAlive)
{
System.Threading.Thread.Sleep(100);
}
t2.Start();
elapsedTime = 0;
while (com1.BytesToWrite < DEFAULT_BUFFER_LENGTH && elapsedTime < MAX_WAIT_TIME)
{
System.Threading.Thread.Sleep(50);
elapsedTime += 50;
}
if (!VerifyFlush(com1))
{
Console.WriteLine("Err_065784ahzoabh Verifying Flush FAILED after buffer was filled the second time");
retValue = false;
}
//Wait for write method to timeout
while (t2.IsAlive)
{
System.Threading.Thread.Sleep(100);
}
if (!retValue)
{
Console.WriteLine("Err_006!!! Verifying call Flush method after output buffer has been filled discarded and filled again FAILED");
}
if (com1.IsOpen)
{
com1.Close();
}
return(retValue);
}
private void Verify_Handshake(Handshake handshake)
{
using (SerialPort com1 = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
using (SerialPort com2 = new SerialPort(TCSupport.LocalMachineSerialInfo.SecondAvailablePortName))
{
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com1, BYTE_SIZE_HANDSHAKE);
System.Threading.Thread t = new System.Threading.Thread(asyncWriteRndByteArray.WriteRndByteArray);
byte[] XOffBuffer = new byte[1];
byte[] XOnBuffer = new byte[1];
int waitTime;
XOffBuffer[0] = 19;
XOnBuffer[0] = 17;
Debug.WriteLine("Verifying Handshake={0}", handshake);
com1.Handshake = handshake;
com1.Open();
com2.Open();
//Setup to ensure write will bock with type of handshake method being used
if (Handshake.RequestToSend == handshake || Handshake.RequestToSendXOnXOff == handshake)
{
com2.RtsEnable = false;
}
if (Handshake.XOnXOff == handshake || Handshake.RequestToSendXOnXOff == handshake)
{
com2.Write(XOffBuffer, 0, 1);
System.Threading.Thread.Sleep(250);
}
//Write a random byte asynchronously so we can verify some things while the write call is blocking
t.Start();
waitTime = 0;
while (t.ThreadState == System.Threading.ThreadState.Unstarted && waitTime < 2000)
{
//Wait for the thread to start
System.Threading.Thread.Sleep(50);
waitTime += 50;
}
waitTime = 0;
while (BYTE_SIZE_HANDSHAKE > com1.BytesToWrite && waitTime < 500)
{
System.Threading.Thread.Sleep(50);
waitTime += 50;
}
//Verify that the correct number of bytes are in the buffer
if (BYTE_SIZE_HANDSHAKE != com1.BytesToWrite)
{
Fail("ERROR!!! Expcted BytesToWrite={0} actual {1}", BYTE_SIZE_HANDSHAKE, com1.BytesToWrite);
}
//Verify that CtsHolding is false if the RequestToSend or RequestToSendXOnXOff handshake method is used
if ((Handshake.RequestToSend == handshake || Handshake.RequestToSendXOnXOff == handshake) && com1.CtsHolding)
{
Fail("ERROR!!! Expcted CtsHolding={0} actual {1}", false, com1.CtsHolding);
}
//Setup to ensure write will succeed
if (Handshake.RequestToSend == handshake || Handshake.RequestToSendXOnXOff == handshake)
{
com2.RtsEnable = true;
}
if (Handshake.XOnXOff == handshake || Handshake.RequestToSendXOnXOff == handshake)
{
com2.Write(XOnBuffer, 0, 1);
}
//Wait till write finishes
while (t.IsAlive)
{
System.Threading.Thread.Sleep(100);
}
Assert.Equal(0, com1.BytesToWrite);
//Verify that CtsHolding is true if the RequestToSend or RequestToSendXOnXOff handshake method is used
if ((Handshake.RequestToSend == handshake || Handshake.RequestToSendXOnXOff == handshake) &&
!com1.CtsHolding)
{
Fail("ERROR!!! Expcted CtsHolding={0} actual {1}", true, com1.CtsHolding);
}
}
}
public bool InOutBufferFilled_Flush_Cycle()
{
SerialPort com1 = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName);
SerialPort com2 = new SerialPort(TCSupport.LocalMachineSerialInfo.SecondAvailablePortName);
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com1, DEFAULT_BUFFER_SIZE);
System.Threading.Thread t1 = new System.Threading.Thread(new System.Threading.ThreadStart(asyncWriteRndByteArray.WriteRndByteArray));
System.Threading.Thread t2 = new System.Threading.Thread(new System.Threading.ThreadStart(asyncWriteRndByteArray.WriteRndByteArray));
bool retValue = true;
int elapsedTime = 0;
byte[] xmitBytes = new byte[DEFAULT_BUFFER_SIZE];
Console.WriteLine("Verifying call Flush method after input and output buffer has been filled discarded and filled again");
com1.Open();
com2.Open();
com1.WriteTimeout = 500;
com1.Handshake = Handshake.RequestToSend;
for (int i = 0; i < xmitBytes.Length; i++)
{
xmitBytes[i] = (byte)i;
}
com2.Write(xmitBytes, 0, xmitBytes.Length);
while (com1.BytesToRead < DEFAULT_BUFFER_SIZE && elapsedTime < MAX_WAIT_TIME)
{
System.Threading.Thread.Sleep(50);
elapsedTime += 50;
}
t1.Start();
elapsedTime = 0;
while (com1.BytesToWrite < DEFAULT_BUFFER_LENGTH && elapsedTime < MAX_WAIT_TIME)
{
System.Threading.Thread.Sleep(50);
elapsedTime += 50;
}
retValue &= VerifyFlush(com1);
//Wait for write method to timeout
while (t1.IsAlive)
{
System.Threading.Thread.Sleep(100);
}
t2.Start();
elapsedTime = 0;
while (com1.BytesToWrite < DEFAULT_BUFFER_LENGTH && elapsedTime < MAX_WAIT_TIME)
{
System.Threading.Thread.Sleep(50);
elapsedTime += 50;
}
com2.Write(xmitBytes, 0, xmitBytes.Length);
elapsedTime = 0;
while (com1.BytesToRead < DEFAULT_BUFFER_SIZE && elapsedTime < MAX_WAIT_TIME)
{
System.Threading.Thread.Sleep(50);
elapsedTime += 50;
}
retValue &= VerifyFlush(com1);
//Wait for write method to timeout
while (t2.IsAlive)
{
System.Threading.Thread.Sleep(100);
}
if (!retValue)
{
Console.WriteLine("Err_009!!! Verifying call Flush method after input and output buffer has been filled discarded and filled again FAILED");
}
if (com1.IsOpen)
{
com1.Close();
}
if (com2.IsOpen)
{
com2.Close();
}
return(retValue);
}
public void BytesToWriteSuccessive()
{
using (SerialPort com = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
{
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com, BYTE_SIZE_BYTES_TO_WRITE);
System.Threading.Thread t1 = new System.Threading.Thread(asyncWriteRndByteArray.WriteRndByteArray);
System.Threading.Thread t2 = new System.Threading.Thread(asyncWriteRndByteArray.WriteRndByteArray);
int waitTime;
Debug.WriteLine("Verifying BytesToWrite with successive calls to Write");
com.Handshake = Handshake.RequestToSend;
com.Open();
com.WriteTimeout = 1000;
//Write a random byte[] asynchronously so we can verify some things while the write call is blocking
t1.Start();
waitTime = 0;
while (t1.ThreadState == System.Threading.ThreadState.Unstarted && waitTime < 2000)
{ //Wait for the thread to start
System.Threading.Thread.Sleep(50);
waitTime += 50;
}
waitTime = 0;
while (BYTE_SIZE_BYTES_TO_WRITE > com.BytesToWrite && waitTime < 500)
{
System.Threading.Thread.Sleep(50);
waitTime += 50;
}
if (BYTE_SIZE_BYTES_TO_WRITE != com.BytesToWrite)
{
Fail("ERROR!!! Expcted BytesToWrite={0} actual {1} after first write", BYTE_SIZE_BYTES_TO_WRITE, com.BytesToWrite);
}
//Write a random byte[] asynchronously so we can verify some things while the write call is blocking
t2.Start();
waitTime = 0;
while (t2.ThreadState == System.Threading.ThreadState.Unstarted && waitTime < 2000)
{ //Wait for the thread to start
System.Threading.Thread.Sleep(50);
waitTime += 50;
}
waitTime = 0;
while (BYTE_SIZE_BYTES_TO_WRITE * 2 > com.BytesToWrite && waitTime < 500)
{
System.Threading.Thread.Sleep(50);
waitTime += 50;
}
if (BYTE_SIZE_BYTES_TO_WRITE * 2 != com.BytesToWrite)
{
Fail("ERROR!!! Expcted BytesToWrite={0} actual {1} after second write", BYTE_SIZE_BYTES_TO_WRITE * 2, com.BytesToWrite);
}
//Wait for both write methods to timeout
while (t1.IsAlive || t2.IsAlive)
{
System.Threading.Thread.Sleep(100);
}
}
}
private void Verify_Handshake(Handshake handshake)
{
using (var com1 = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName))
using (var com2 = new SerialPort(TCSupport.LocalMachineSerialInfo.SecondAvailablePortName))
{
var asyncWriteRndByteArray = new AsyncWriteRndByteArray(com1, s_BYTE_SIZE_HANDSHAKE);
var t = new Task(asyncWriteRndByteArray.WriteRndByteArray);
var XOffBuffer = new byte[1];
var XOnBuffer = new byte[1];
XOffBuffer[0] = 19;
XOnBuffer[0] = 17;
Debug.WriteLine("Verifying Handshake={0}", handshake);
com1.Handshake = handshake;
com1.Open();
com2.Open();
// Setup to ensure write will bock with type of handshake method being used
if (Handshake.RequestToSend == handshake || Handshake.RequestToSendXOnXOff == handshake)
{
com2.RtsEnable = false;
}
if (Handshake.XOnXOff == handshake || Handshake.RequestToSendXOnXOff == handshake)
{
com2.BaseStream.Write(XOffBuffer, 0, 1);
Thread.Sleep(250);
}
// Write a random byte asynchronously so we can verify some things while the write call is blocking
t.Start();
TCSupport.WaitForTaskToStart(t);
TCSupport.WaitForWriteBufferToLoad(com1, s_BYTE_SIZE_HANDSHAKE);
// Verify that CtsHolding is false if the RequestToSend or RequestToSendXOnXOff handshake method is used
if ((Handshake.RequestToSend == handshake || Handshake.RequestToSendXOnXOff == handshake) &&
com1.CtsHolding)
{
Fail("ERROR!!! Expected CtsHolding={0} actual {1}", false, com1.CtsHolding);
}
// Setup to ensure write will succeed
if (Handshake.RequestToSend == handshake || Handshake.RequestToSendXOnXOff == handshake)
{
com2.RtsEnable = true;
}
if (Handshake.XOnXOff == handshake || Handshake.RequestToSendXOnXOff == handshake)
{
com2.BaseStream.Write(XOnBuffer, 0, 1);
}
TCSupport.WaitForTaskCompletion(t);
// Verify that the correct number of bytes are in the buffer
Assert.Equal(0, com1.BytesToWrite);
// Verify that CtsHolding is true if the RequestToSend or RequestToSendXOnXOff handshake method is used
if ((Handshake.RequestToSend == handshake || Handshake.RequestToSendXOnXOff == handshake) &&
!com1.CtsHolding)
{
Fail("ERROR!!! Expected CtsHolding={0} actual {1}", true, com1.CtsHolding);
}
}
#endregion
}
private bool BytesToWriteSuccessive()
{
SerialPort com = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName);
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com);
System.Threading.Thread t1 = new System.Threading.Thread(new System.Threading.ThreadStart(asyncWriteRndByteArray.WriteRndByteArray));
System.Threading.Thread t2 = new System.Threading.Thread(new System.Threading.ThreadStart(asyncWriteRndByteArray.WriteRndByteArray));
bool retValue = true;
int waitTime = 0;
Console.WriteLine("Verifying BytesToWrite with successive calls to Write");
com.Handshake = Handshake.RequestToSend;
com.Open();
com.WriteTimeout = 4000;
//Write a random byte[] asynchronously so we can verify some things while the write call is blocking
t1.Start();
waitTime = 0;
while (t1.ThreadState == System.Threading.ThreadState.Unstarted && waitTime < 2000)
{ //Wait for the thread to start
System.Threading.Thread.Sleep(50);
waitTime += 50;
}
waitTime = 0;
while (com.BytesToWrite < 1 && waitTime < 250)
{
System.Threading.Thread.Sleep(50);
waitTime += 50;
}
if (1 != com.BytesToWrite)
{
retValue = false;
Console.WriteLine("ERROR!!! Expcted BytesToWrite={0} actual {1} after first write", 1, com.BytesToWrite);
}
//Write a random byte[] asynchronously so we can verify some things while the write call is blocking
t2.Start();
waitTime = 0;
while (t2.ThreadState == System.Threading.ThreadState.Unstarted && waitTime < 2000)
{ //Wait for the thread to start
System.Threading.Thread.Sleep(50);
waitTime += 50;
}
waitTime = 0;
while (com.BytesToWrite < 1 * 2 && waitTime < 250)
{
System.Threading.Thread.Sleep(50);
waitTime += 50;
}
if (1 * 2 != com.BytesToWrite)
{
retValue = false;
Console.WriteLine("ERROR!!! Expcted BytesToWrite={0} actual {1} after second write", 1 * 2, com.BytesToWrite);
}
//Wait for both write methods to timeout
while (t1.IsAlive || t2.IsAlive)
{
System.Threading.Thread.Sleep(100);
}
if (com.IsOpen)
{
com.Close();
}
if (!retValue)
{
Console.WriteLine("Err_008!!! Verifying BytesToWrite with successive calls to Write FAILED");
}
return(retValue);
}
public bool Verify_Handshake(Handshake handshake)
{
SerialPort com1 = new SerialPort(TCSupport.LocalMachineSerialInfo.FirstAvailablePortName);
SerialPort com2 = new SerialPort(TCSupport.LocalMachineSerialInfo.SecondAvailablePortName);
AsyncWriteRndByteArray asyncWriteRndByteArray = new AsyncWriteRndByteArray(com1);
System.Threading.Thread t = new System.Threading.Thread(new System.Threading.ThreadStart(asyncWriteRndByteArray.WriteRndByteArray));
bool retValue = true;
int waitTime = 0;
Console.WriteLine("Verifying Handshake={0}", handshake);
com1.Handshake = handshake;
com1.Open();
com2.Open();
//Setup to ensure write will bock with type of handshake method being used
if (Handshake.RequestToSend == handshake || Handshake.RequestToSendXOnXOff == handshake)
{
com2.RtsEnable = false;
}
if (Handshake.XOnXOff == handshake || Handshake.RequestToSendXOnXOff == handshake)
{
com2.BaseStream.WriteByte((byte)19);
System.Threading.Thread.Sleep(250);
}
//Write a random byte asynchronously so we can verify some things while the write call is blocking
t.Start();
waitTime = 0;
while (t.ThreadState == System.Threading.ThreadState.Unstarted && waitTime < 2000)
{ //Wait for the thread to start
System.Threading.Thread.Sleep(50);
waitTime += 50;
}
waitTime = 0;
while (com1.BytesToWrite < 1 && waitTime < 250)
{
System.Threading.Thread.Sleep(50);
waitTime += 50;
}
//Verify that the correct number of bytes are in the buffer
if (1 != com1.BytesToWrite)
{
retValue = false;
Console.WriteLine("ERROR!!! Expcted BytesToWrite={0} actual {1}", 1, com1.BytesToWrite);
}
//Verify that CtsHolding is false if the RequestToSend or RequestToSendXOnXOff handshake method is used
if ((Handshake.RequestToSend == handshake || Handshake.RequestToSendXOnXOff == handshake) && com1.CtsHolding)
{
retValue = false;
Console.WriteLine("ERROR!!! Expcted CtsHolding={0} actual {1}", false, com1.CtsHolding);
}
//Setup to ensure write will succeed
if (Handshake.RequestToSend == handshake || Handshake.RequestToSendXOnXOff == handshake)
{
com2.RtsEnable = true;
}
if (Handshake.XOnXOff == handshake || Handshake.RequestToSendXOnXOff == handshake)
{
com2.BaseStream.WriteByte((byte)17);
}
//Wait till write finishes
while (t.IsAlive)
{
System.Threading.Thread.Sleep(100);
}
//Verify that the correct number of bytes are in the buffer
if (0 != com1.BytesToWrite)
{
retValue = false;
Console.WriteLine("ERROR!!! Expcted BytesToWrite=0 actual {0}", com1.BytesToWrite);
}
//Verify that CtsHolding is true if the RequestToSend or RequestToSendXOnXOff handshake method is used
if ((Handshake.RequestToSend == handshake || Handshake.RequestToSendXOnXOff == handshake) && !com1.CtsHolding)
{
retValue = false;
Console.WriteLine("ERROR!!! Expcted CtsHolding={0} actual {1}", true, com1.CtsHolding);
}
if (com1.IsOpen)
{
com1.Close();
}
if (com2.IsOpen)
{
com2.Close();
}
return(retValue);
}