public void ZeroLimitMeansUnlimitedSize()
{
var q = new LimitedSizeQueue <int>(0);
foreach (var item in Enumerable.Range(1, 1000))
{
Assert.IsTrue(q.TryEnqueue(item));
}
q.Clear();
Assert.AreEqual(0, q.Count);
Assert.AreEqual(0, q.Limit);
}
public TimeTravelBox(Rectangle rectangle, int wrapDelay) : base(rectangle)
{
var path = "sprites/Objects/BoxShadow/Box";
shadow = new AnimatedSprite(animator, rectangle, 10,
new List <Image>
{
new Bitmap(path + ".png"),
new Bitmap(path + "-2.png"),
new Bitmap(path + "-3.png"),
new Bitmap(path + "-2.png")
},
GetSprite().ZIndex - 1);
pastPosition = new LimitedSizeQueue <PointF>(wrapDelay);
OnStateUpdate += TimeTravelBoxOnStateUpdate;
}
/// <summary>
/// Initializes a new instance of the <see cref="SimpleLockThreadPool" /> class.
/// </summary>
/// <param name="concurrencyLevel">The concurrency level.</param>
/// <param name="flowExecutionContext">if set to <c>true</c>, the execution context is flown.</param>
/// <param name="limit">High watermark limit for the work item queue size.</param>
public SimpleLockThreadPool(int concurrencyLevel, bool flowExecutionContext, int limit = 0)
{
if (concurrencyLevel <= 0)
{
throw new ArgumentOutOfRangeException("concurrencyLevel");
}
m_concurrencyLevel = concurrencyLevel;
m_flowExecutionContext = flowExecutionContext;
m_queue = new LimitedSizeQueue <WorkItem>(limit);
#if !XAMARIN
// If suppressing flow, we need to demand permissions.
if (!flowExecutionContext)
{
new SecurityPermission(SecurityPermissionFlag.Infrastructure).Demand();
}
#endif
}
public void LimitedSizeQueueCanClearItems()
{
var q = new LimitedSizeQueue <int>(3);
Assert.IsTrue(q.TryEnqueue(1));
Assert.IsTrue(q.TryEnqueue(2));
Assert.IsTrue(q.TryEnqueue(3));
Assert.IsFalse(q.TryEnqueue(4));
Assert.AreEqual(3, q.Count);
Assert.AreEqual(3, q.Limit);
q.Clear();
Assert.AreEqual(0, q.Count);
Assert.AreEqual(3, q.Limit);
var items = string.Join(", ", q.Select(i => i.ToString()).ToArray());
Assert.AreEqual(string.Empty, items);
}
public void LimitedSizeQueueLimitsTheSizeOfTheInternalQueue()
{
var q = new LimitedSizeQueue <int>(3);
Assert.AreEqual(0, q.Count);
Assert.AreEqual(3, q.Limit);
Assert.IsFalse(q.TryPeek(out _));
Assert.IsFalse(q.TryDequeue(out _));
Assert.IsTrue(q.TryEnqueue(1));
Assert.IsTrue(q.TryEnqueue(2));
Assert.IsTrue(q.TryEnqueue(3));
Assert.IsFalse(q.TryEnqueue(4));
Assert.IsFalse(q.TryEnqueue(5));
var items = string.Join(", ", q.Select(i => i.ToString()).ToArray());
Assert.AreEqual("1, 2, 3", items);
Assert.IsTrue(q.TryDequeue(out var item));
Assert.AreEqual(1, item);
Assert.IsTrue(q.TryEnqueue(6));
Assert.IsFalse(q.TryEnqueue(7));
Assert.IsTrue(q.TryDequeue(out item));
Assert.AreEqual(2, item);
Assert.IsTrue(q.TryDequeue(out item));
Assert.AreEqual(3, item);
Assert.IsTrue(q.TryPeek(out item));
Assert.AreEqual(6, item);
Assert.IsTrue(q.TryDequeue(out item));
Assert.AreEqual(6, item);
Assert.IsFalse(q.TryPeek(out _));
Assert.IsFalse(q.TryDequeue(out _));
}
