static void RunScenario(AutoResetEvent evt)
{
IntPtr obj = ObjectiveC.initObject();
var thread = new Thread(_ =>
{
ObjectiveC.autoreleaseObject(obj);
evt.Set();
});
thread.Start();
evt.WaitOne();
thread.Join();
}
private static void ValidateNewManagedThreadAutoRelease()
{
Console.WriteLine($"Running {nameof(ValidateNewManagedThreadAutoRelease)}...");
using (AutoResetEvent evt = new AutoResetEvent(false))
{
int numReleaseCalls = ObjectiveC.getNumReleaseCalls();
RunScenario(evt);
// Trigger the GC and wait to clean up the allocated managed Thread instance.
GC.Collect();
GC.WaitForPendingFinalizers();
Assert.AreEqual(numReleaseCalls + 1, ObjectiveC.getNumReleaseCalls());
}
private static void TestAutoRelease()
{
using (AutoResetEvent evt = new AutoResetEvent(false))
{
int numReleaseCalls = ObjectiveC.getNumReleaseCalls();
IntPtr obj = ObjectiveC.initObject();
ThreadPool.QueueUserWorkItem(_ =>
{
ObjectiveC.autoreleaseObject(obj);
evt.Set();
});
evt.WaitOne();
// Wait 60 ms after the signal to ensure that the thread has finished the work item and has drained the thread's autorelease pool.
Thread.Sleep(60);
Assert.AreEqual(numReleaseCalls + 1, ObjectiveC.getNumReleaseCalls());
}
}