public void TestItemFixationWorks()
{
UsedElementTracker testInst = new UsedElementTracker(10);
Assert.AreEqual(int.MaxValue, testInst.MinFreeElementsCount);
testInst.UpdateMinFreeElementCount(100);
Assert.AreEqual(100, testInst.MinFreeElementsCount);
Thread.Sleep(100);
testInst.UpdateState();
Assert.AreEqual(100, testInst.ElementToDestroy);
Assert.AreEqual(int.MaxValue, testInst.MinFreeElementsCount);
}
public void TestElementToDestroyDecrements()
{
UsedElementTracker testInst = new UsedElementTracker(10);
testInst.UpdateMinFreeElementCount(100);
Thread.Sleep(100);
testInst.UpdateState();
Assert.AreEqual(100, testInst.ElementToDestroy);
Assert.AreEqual(int.MaxValue, testInst.MinFreeElementsCount);
for (int i = 0; i < 100; i++)
{
Assert.IsTrue(testInst.RequestElementToDestroy());
Assert.AreEqual(100 - i - 1, testInst.ElementToDestroy);
}
Assert.IsFalse(testInst.RequestElementToDestroy());
}
/// <summary>
/// Releases element back to the pool. Normally should be called from <see cref="RentedElementMonitor{TElem}"/>
/// </summary>
/// <param name="element">Element wrapper to be released</param>
protected internal sealed override void ReleaseElement(PoolElementWrapper <TElem> element)
{
TurboContract.Requires(element != null, conditionString: "element != null");
if (!element.IsBusy)
{
throw new InvalidOperationException("Trying to release same element several times in Pool: " + this.Name);
}
_usedElementTracker.UpdateState();
bool doTrim = _elementsContainer.Count > _minElementCount && _usedElementTracker.RequestElementToDestroy();
bool isValid = this.IsValidElement(element.Element);
if (_disposeCancellation.IsCancellationRequested || !isValid)
{
DestroyAndRemoveElement(element);
}
else
{
_elementsContainer.Release(element);
if (_disposeCancellation.IsCancellationRequested || doTrim)
{
TakeDestroyAndRemoveElement();
}
}
if (_disposeCancellation.IsCancellationRequested && _elementsContainer.Count == 0)
{
_stoppedEvent.Set();
}
if (!isValid)
{
Profiling.Profiler.ObjectPoolElementFaulted(this.Name, this.ElementCount);
}
Profiling.Profiler.ObjectPoolElementReleased(this.Name, this.RentedElementCount);
}