public void TimerExpiry_Basic()
{
TimerExpiry te = new TimerExpiry(200);
int t = te.RemainingTime();
Assert.That(t, Is.GreaterThan(140), "Timer is less than 140ms (should be close to 200ms), remaining={0}", t);
int[] rea = new int[1000];
int c = 0;
// Note, you should put your delays in loops like this one, as the OS doesn't guarantee that you will
// actually wait this long. Normally, this kind of loop is exactly the type you want, as you wait for
// another event to occur, and if it doesn't occur, you keep waiting until the timeout is zero.
//
// On some systems, a signal may cause a timeout to abort early also.
int re = te.RemainingTime();
do
{
rea[c++] = re;
Thread.Sleep(re);
re = te.RemainingTime();
} while (re > 0);
Assert.That(te.RemainingTime(), Is.EqualTo(0));
for (int i = 0; i < c; i++)
{
Console.WriteLine("Wait {0}: {1}", i, rea[i]);
}
}
public void TimerExpiry_Reset()
{
TimerExpiry te = new TimerExpiry(1000);
System.Threading.Thread.Sleep(350);
Assert.IsTrue(te.RemainingTime() > 500);
te.Reset();
System.Threading.Thread.Sleep(350);
Assert.IsTrue(te.RemainingTime() > 500);
te.Reset();
System.Threading.Thread.Sleep(350);
Assert.IsTrue(te.RemainingTime() > 500);
te.Reset();
System.Threading.Thread.Sleep(350);
Assert.IsTrue(te.RemainingTime() > 500);
te.Reset();
System.Threading.Thread.Sleep(350);
Assert.IsTrue(te.RemainingTime() > 500);
te.Reset();
System.Threading.Thread.Sleep(350);
Assert.IsTrue(te.RemainingTime() > 500);
}
public void TimerExpiry_Basic()
{
TimerExpiry te = new TimerExpiry(200);
int t = te.RemainingTime();
Assert.IsTrue(t > 140, "Timer is less than 140ms (should be close to 200ms), remaining=" + t.ToString());
int[] rea = new int[1000];
int c = 0;
// Note, you should put your delays in loops like this one, as
// the OS doesn't guarantee that you will actually wait this
// long. Normally, this kind of loop is exactly the type you
// want, as you wait for another event to occur, and if it
// doesn't occur, you keep waiting until the timeout is zero.
//
// On some systems, a signal may cause a timeout to abort
// early also.
int re = te.RemainingTime();
do {
rea[c++] = re;
System.Threading.Thread.Sleep((int)re);
re = te.RemainingTime();
} while (re > 0);
Assert.AreEqual(0, te.RemainingTime());
for (int i = 0; i < c; i++) {
System.Diagnostics.Trace.WriteLine("Wait " + i.ToString() + ": " + rea[i].ToString());
}
}
public void TimerExpiry_Basic()
{
TimerExpiry te = new TimerExpiry(200);
int t = te.RemainingTime();
Assert.IsTrue(t > 140, "Timer is less than 140ms (should be close to 200ms), remaining=" + t.ToString());
int[] rea = new int[1000];
int c = 0;
// Note, you should put your delays in loops like this one, as
// the OS doesn't guarantee that you will actually wait this
// long. Normally, this kind of loop is exactly the type you
// want, as you wait for another event to occur, and if it
// doesn't occur, you keep waiting until the timeout is zero.
//
// On some systems, a signal may cause a timeout to abort
// early also.
int re = te.RemainingTime();
do
{
rea[c++] = re;
System.Threading.Thread.Sleep((int)re);
re = te.RemainingTime();
} while (re > 0);
Assert.AreEqual(0, te.RemainingTime());
for (int i = 0; i < c; i++)
{
System.Diagnostics.Trace.WriteLine("Wait " + i.ToString() + ": " + rea[i].ToString());
}
}
public void TimerExpiry_Negative()
{
TimerExpiry te = new TimerExpiry(-1);
Assert.AreEqual(-1, te.RemainingTime());
System.Threading.Thread.Sleep(100);
Assert.AreEqual(-1, te.RemainingTime());
TimerExpiry te2 = new TimerExpiry(100);
Assert.IsTrue(te2.RemainingTime() > 0);
te2.Timeout = -1;
Assert.AreEqual(-1, te.RemainingTime());
System.Threading.Thread.Sleep(400);
Assert.AreEqual(-1, te.RemainingTime());
}
public void TimerExpiry_Reset2()
{
TimerExpiry te = new TimerExpiry(1000);
Thread.Sleep(350);
Assert.That(te.RemainingTime(), Is.GreaterThan(500));
Thread.Sleep(350);
Assert.That(te.RemainingTime(), Is.LessThan(500));
te.Reset();
Thread.Sleep(350);
Assert.That(te.RemainingTime(), Is.GreaterThan(500));
Thread.Sleep(350);
Assert.That(te.RemainingTime(), Is.LessThan(500));
}
public void TimerExpiry_Reset2()
{
TimerExpiry te = new TimerExpiry(1000);
System.Threading.Thread.Sleep(350);
Assert.IsTrue(te.RemainingTime() > 500);
System.Threading.Thread.Sleep(350);
Assert.IsTrue(te.RemainingTime() < 500);
te.Reset();
System.Threading.Thread.Sleep(350);
Assert.IsTrue(te.RemainingTime() > 500);
System.Threading.Thread.Sleep(350);
Assert.IsTrue(te.RemainingTime() < 500);
}
public void TimerExpiry_Negative()
{
TimerExpiry te = new TimerExpiry(-1);
Assert.That(te.RemainingTime(), Is.EqualTo(Timeout.Infinite));
Thread.Sleep(100);
Assert.That(te.RemainingTime(), Is.EqualTo(Timeout.Infinite));
TimerExpiry te2 = new TimerExpiry(100);
Assert.That(te2.RemainingTime() > 0, Is.True);
te2.Timeout = -1;
Assert.That(te.RemainingTime(), Is.EqualTo(Timeout.Infinite));
Thread.Sleep(400);
Assert.That(te.RemainingTime(), Is.EqualTo(Timeout.Infinite));
}
public void TimerExpiry_Zero()
{
TimerExpiry te = new TimerExpiry(0);
Assert.That(te.Expired, Is.True);
Assert.That(te.RemainingTime(), Is.EqualTo(0));
}
public void TimerExpiry_Negative()
{
TimerExpiry te = new TimerExpiry(-1);
Assert.AreEqual(-1, te.RemainingTime());
System.Threading.Thread.Sleep(100);
Assert.AreEqual(-1, te.RemainingTime());
TimerExpiry te2 = new TimerExpiry(100);
Assert.IsTrue(te2.RemainingTime() > 0);
te2.Timeout = -1;
Assert.AreEqual(-1, te.RemainingTime());
System.Threading.Thread.Sleep(400);
Assert.AreEqual(-1, te.RemainingTime());
}
public void TimerExpiry_Zero()
{
TimerExpiry te = new TimerExpiry(0);
Assert.IsTrue(te.Expired);
Assert.AreEqual(0, te.RemainingTime());
}
bool ISerialBufferStreamData.WaitForWrite(int count, int timeout)
{
if (count == 0)
{
return(true);
}
lock (m_WriteLock) {
if (count > m_WriteBuffer.Capacity)
{
return(false);
}
}
m_AbortWriteEvent.Reset();
TimerExpiry timer = new TimerExpiry(timeout);
do
{
lock (m_WriteLock) {
if (m_WriteBuffer.Free >= count)
{
return(true);
}
m_WriteBufferNotFullEvent.Reset();
}
// This manual reset event is always set every time data is removed from the buffer
WaitHandle[] handles = new WaitHandle[] {
m_DeviceDead,
m_AbortWriteEvent,
m_WriteBufferNotFullEvent
};
int triggered = WaitHandle.WaitAny(handles, timer.RemainingTime());
switch (triggered)
{
case WaitHandle.WaitTimeout:
break;
case 0:
// The internal thread died.
return(false);
case 1:
// Someone aborted the wait.
return(false);
case 2:
// Data is available to write.
return(true);
}
} while (!timer.Expired);
return(false);
}
bool ISerialBufferStreamData.WaitForRead(int count, int timeout)
{
if (count == 0)
{
return(true);
}
lock (m_ReadLock) {
if (count > m_ReadBuffer.Capacity)
{
return(false);
}
}
m_AbortReadEvent.Reset();
TimerExpiry timer = new TimerExpiry(timeout);
do
{
lock (m_ReadLock) {
if (m_ReadBuffer.Length >= count)
{
return(true);
}
m_ReadEvent.Reset();
}
WaitHandle[] handles = new WaitHandle[] {
m_AbortReadEvent,
m_ReadEvent,
m_DeviceDead,
};
int triggered = WaitHandle.WaitAny(handles, timer.RemainingTime());
switch (triggered)
{
case WaitHandle.WaitTimeout:
break;
case 0:
// Someone aborted the wait.
return(false);
case 1:
// Data is available to read.
return(true);
case 2:
// Monitoring thread died. No point waiting any longer.
return(false);
}
} while (!timer.Expired);
return(false);
}
bool ISerialBufferStreamData.WaitForWrite(int count, int timeout)
{
if (count == 0)
{
return(true);
}
lock (m_WriteLock) {
if (count > m_WriteBuffer.Capacity)
{
return(false);
}
}
m_AbortWriteEvent.Reset();
TimerExpiry timer = new TimerExpiry(timeout);
do
{
lock (m_WriteLock) {
if (m_WriteBuffer.Free >= count)
{
return(true);
}
m_WriteBufferNotFullEvent.Reset();
}
int triggered = WaitHandle.WaitAny(m_BufferStreamWaitForWriteCountHandles, timer.RemainingTime());
switch (triggered)
{
case WaitHandle.WaitTimeout:
break;
case 0:
// The internal thread died.
return(false);
case 1:
// Someone aborted the wait.
return(false);
case 2:
// Data is available to write. Loop to the beginning to see if there is now enough data to write.
break;
}
} while (!timer.Expired);
return(false);
}
public void TimerExpiry_Zero()
{
TimerExpiry te = new TimerExpiry(0);
Assert.IsTrue(te.Expired);
Assert.AreEqual(0, te.RemainingTime());
}