public void TestOrder()
{
const int numberOfElements = 10000;
var rnd = new System.Random();
var queue = new ConcurrentTokenizedPriorityQueue <int, int, int>(1, x => x + 1);
for (int i = 0; i < numberOfElements; ++i)
{
queue.Enqueue(100 + rnd.Next(numberOfElements), 23, out var token);
}
Assert.AreEqual(numberOfElements, queue.Count);
int previous = int.MinValue;
for (int i = 0; i < numberOfElements; ++i)
{
int curr = queue.Dequeue().Key;
Assert.GreaterOrEqual(curr, previous);
previous = curr;
}
Assert.AreEqual(0, queue.Count);
}
/// <summary>
/// Initializes a new instance of the <see cref="TimerQueue"/> class.
/// </summary>
/// <param name="clock">The underlying high resolution clock.</param>
/// <exception cref="System.ArgumentNullException">Argument clock is null</exception>
public TimerQueue(IHighResolutionClock clock)
{
_clock = clock ?? throw new ArgumentNullException("clock");
_event = new AutoResetEvent(false);
_items = new ConcurrentTokenizedPriorityQueue <TimeSpan, Action <object, TimeSpan>, object>();
_task = Task.Factory.StartNew(Run, TaskCreationOptions.LongRunning);
}
/// <summary>
/// Initializes a new instance of the <see cref="TimerQueue"/> class.
/// </summary>
/// <param name="clock">The underlying high resolution clock.</param>
/// <exception cref="System.ArgumentNullException">Argument clock is null</exception>
public TimerQueue(IHighResolutionClock clock)
{
if (null == clock)
throw new ArgumentNullException("clock");
_clock = clock;
_event = new AutoResetEvent(false);
_items = new ConcurrentTokenizedPriorityQueue<TimeSpan, Action<object, TimeSpan>, object>();
_task = Task.Factory.StartNew(Run, TaskCreationOptions.LongRunning);
}
public void TestOrder()
{
const int numberOfElements = 10000;
var rnd = new System.Random();
var queue = new ConcurrentTokenizedPriorityQueue<int, int, int>(1, x => x + 1);
int token;
for (int i = 0; i < numberOfElements; ++i)
queue.Enqueue(100 + rnd.Next(numberOfElements), 23, out token);
Assert.AreEqual(numberOfElements, queue.Count);
int previous = int.MinValue;
for (int i = 0; i < numberOfElements; ++i)
{
int curr = queue.Dequeue().Key;
Assert.GreaterOrEqual(curr, previous);
previous = curr;
}
Assert.AreEqual(0, queue.Count);
}
public void Test002_Concurrency()
{
const int numberOfItems = 100000;
var sourceItems = GetRandomListOfDistinctIntegers(numberOfItems);
var sourceItemsSorted = new List<int>(sourceItems);
sourceItemsSorted.Sort();
var destinationItems = new ConcurrentBag<int>();
var queueToTest = new ConcurrentTokenizedPriorityQueue<int, int, int>(1, x => x + 1);
// 2 Enqueue tasks and 2 Dequeue tasks
Parallel.Invoke(new Action[]
{
// Enqueue
() =>
{
int item, token;
while (sourceItems.TryDequeue(out item))
queueToTest.Enqueue(item, item + 13, out token);
},
// Enqueue
() =>
{
int item, token;
while (sourceItems.TryDequeue(out item))
queueToTest.Enqueue(item, item + 13, out token);
},
// Dequeue
()=>
{
int key, value, toke;
int counter = 0;
while(counter<100)
{
while(queueToTest.TryDequeue(out key, out value, out toke))
{
Assert.AreEqual(key + 13, value);
destinationItems.Add(key);
counter = 0;
}
System.Threading.Thread.Sleep(10);
++counter;
}
},
// Dequeue
()=>
{
int key, value, toke;
int counter = 0;
while(counter<100)
{
while(queueToTest.TryDequeue(out key, out value, out toke))
{
Assert.AreEqual(key + 13, value);
destinationItems.Add(key);
counter = 0;
}
System.Threading.Thread.Sleep(10);
++counter;
}
}
});
Assert.AreEqual(0, sourceItems.Count, "All source items should be moved into the queueToTest and then to the destinationItems collection");
Assert.AreEqual(0, queueToTest.Count, "Queue should be empty, all items should be moved into the destinationItems collection");
Assert.AreEqual(numberOfItems, destinationItems.Count);
var list = new List<int>(destinationItems);
list.Sort();
for (int i = 0; i < numberOfItems; ++i)
{
Assert.AreEqual(sourceItemsSorted[i], list[i]);
}
}
public void Test002_Concurrency()
{
const int numberOfItems = 100000;
var sourceItems = GetRandomListOfDistinctIntegers(numberOfItems);
var sourceItemsSorted = new List <int>(sourceItems);
sourceItemsSorted.Sort();
var destinationItems = new ConcurrentBag <int>();
var queueToTest = new ConcurrentTokenizedPriorityQueue <int, int, int>(1, x => x + 1);
// 2 Enqueue tasks and 2 Dequeue tasks
Parallel.Invoke(new Action[]
{
// Enqueue
() =>
{
int item, token;
while (sourceItems.TryDequeue(out item))
{
queueToTest.Enqueue(item, item + 13, out token);
}
},
// Enqueue
() =>
{
int item, token;
while (sourceItems.TryDequeue(out item))
{
queueToTest.Enqueue(item, item + 13, out token);
}
},
// Dequeue
() =>
{
int counter = 0;
while (counter < 100)
{
while (queueToTest.TryDequeue(out var key, out var value, out var toke))
{
Assert.AreEqual(key + 13, value);
destinationItems.Add(key);
counter = 0;
}
System.Threading.Thread.Sleep(10);
++counter;
}
},
// Dequeue
() =>
{
int counter = 0;
while (counter < 100)
{
while (queueToTest.TryDequeue(out var key, out var value, out var toke))
{
Assert.AreEqual(key + 13, value);
destinationItems.Add(key);
counter = 0;
}
System.Threading.Thread.Sleep(10);
++counter;
}
}
});
