public void RecyclerPerf()
{
var sharedPool = new SharedPool <UnmanagedBuffer>(() => UnmanagedBuffer.Allocate(100), 1);
var shared = sharedPool.GetOrCreate();
shared.Dispose();
Stopwatch sw = Stopwatch.StartNew();
int iterations = 10;
for (int i = 0; i < iterations; i++)
{
sharedPool.TryGet(out shared);
shared.Dispose();
}
sw.Stop();
Console.WriteLine($"Get + Release = {sw.ElapsedMilliseconds * 1000000d / iterations} ns");
}
// [TestMethod, Timeout(60000)]
public void RefCountedFinalizationTest()
{
var sharedPool = new SharedPool <UnmanagedBuffer>(() => UnmanagedBuffer.Allocate(100), 1);
var shared = sharedPool.GetOrCreate();
var otherShared = shared.DeepClone();
shared = null;
// after GC and finalization, the live copy is not affected
GC.Collect();
GC.WaitForPendingFinalizers();
Assert.AreNotEqual(IntPtr.Zero, otherShared.Resource.Data);
otherShared = null;
// after GC and finalization of all live copies, the resource goes back to the pool without being finalized itself
GC.Collect();
GC.WaitForPendingFinalizers();
var wasRecycled = sharedPool.TryGet(out shared);
Assert.IsTrue(wasRecycled);
Assert.IsNotNull(shared.Resource);
Assert.AreNotEqual(IntPtr.Zero, shared.Resource.Data);
}