public void CloseBehviour()
{
var queue = new SharedQueue();
queue.Enqueue("Hello World");
//queue.Close();
var item = queue.Dequeue().ToString();
Console.Out.WriteLine("item = {0}", item);
ThreadPool.QueueUserWorkItem(state =>
{
// expect the queue to block here
Console.WriteLine("Dequeue in thread");
try
{
var item2 = queue.Dequeue().ToString();
}
catch (Exception e)
{
Console.WriteLine("Exception in thread\n{0}", e.ToString());
}
});
Thread.Sleep(100);
Console.WriteLine("Closing queue");
queue.Close();
Console.WriteLine("Done");
}
public void TestEnumerator()
{
SharedQueue q = new SharedQueue();
VolatileInt c1 = new VolatileInt();
VolatileInt c2 = new VolatileInt();
Thread t1 = new Thread(delegate() {
foreach (int v in q) c1.v+=v;
});
Thread t2 = new Thread(delegate() {
foreach (int v in q) c2.v+=v;
});
t1.Start();
t2.Start();
q.Enqueue(1);
q.Enqueue(2);
q.Enqueue(3);
q.Close();
t1.Join();
t2.Join();
Assert.AreEqual(6, c1.v + c2.v);
}
public void TestCloseWhenWaiting()
{
SharedQueue q = new SharedQueue();
DelayedEnqueuer de = new DelayedEnqueuer(q, 0, null);
Thread t =
new Thread(new ThreadStart(de.BackgroundEofExpectingDequeue));
t.Start();
Thread.Sleep(SafetyMargin);
q.Close();
t.Join();
}
public void TestCloseWhenFull()
{
SharedQueue q = new SharedQueue();
object v;
q.Enqueue(1);
q.Enqueue(2);
q.Enqueue(3);
q.Close();
DelayedEnqueuer de = new DelayedEnqueuer(q, 0, 4);
ExpectEof(new Thunk(de.EnqueueValue));
Assert.AreEqual(1, q.Dequeue());
Assert.AreEqual(2, q.DequeueNoWait(0));
bool r = q.Dequeue(1, out v);
Assert.IsTrue(r);
Assert.AreEqual(3, v);
ExpectEof(new Thunk(de.Dequeue));
}
public void TestEnumerator()
{
var queue = new SharedQueue();
var c1 = new VolatileInt();
var c2 = new VolatileInt();
var thread1 = new Thread(() => { foreach (int v in queue) c1.v += v; });
var thread2 = new Thread(() => { foreach (int v in queue) c2.v += v; });
thread1.Start();
thread2.Start();
queue.Enqueue(1);
queue.Enqueue(2);
queue.Enqueue(3);
queue.Close();
thread1.Join();
thread2.Join();
Assert.AreEqual(6, c1.v + c2.v);
}