/// <summary>
/// Schedules a task to be executed at the specified due time.
/// </summary>
/// <param name="dueTime">Absolute time at which to execute the task.</param>
/// <param name="task">The task to execute.</param>
/// <param name="scheduler">The scheduler to execute the task on.</param>
/// <returns>A scheduled work item.</returns>
public override IWorkItem <TAbsolute> ScheduleAbsolute(TAbsolute dueTime, ISchedulerTask task, IScheduler scheduler)
{
if (task == null)
{
throw new ArgumentNullException(nameof(task));
}
if (scheduler == null)
{
throw new ArgumentNullException(nameof(scheduler));
}
var item = new WorkItemBase <TAbsolute>(scheduler, task, dueTime, Disposable.Empty);
item.RecalculatePriority();
if (item.IsRunnable)
{
_ready.Enqueue(item);
}
else
{
_notReady.Add(item);
}
return(item);
}
public void HeapBasedPriorityQueue_Simple()
{
var queue = new HeapBasedPriorityQueue <int>(Comparer <int> .Default);
Assert.ThrowsException <InvalidOperationException>(() => queue.Peek());
Assert.ThrowsException <InvalidOperationException>(() => queue.Dequeue());
Assert.AreEqual(0, queue.Count);
queue.Enqueue(2);
queue.Enqueue(1);
queue.Enqueue(3);
queue.Enqueue(4);
queue.Enqueue(5);
Assert.AreEqual(5, queue.Count);
Assert.AreEqual(1, queue.Peek());
for (var i = 0; i <= 9; i++)
{
if (i is >= 1 and <= 5)
{
Assert.IsTrue(queue.Contains(i));
}
