import junit.framework.TestCase;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Unit test for {@link FinalizableReferenceQueue}.
 *
 * @author Bob Lee
 */
// - depends on details of GC and classloading
// - .class files aren't available
// - possibly no real concept of separate ClassLoaders?
@AndroidIncompatible
@GwtIncompatible
public class FinalizableReferenceQueueTest extends TestCase {

  }

  override fun close() {
  }
}

@SuppressSignatureCheck
object AndroidLog {
  private const val MAX_LOG_LENGTH = 4000

  // Keep references to loggers to prevent their configuration from being GC'd.
  private val configuredLoggers = CopyOnWriteArraySet<Logger>()

  private val knownLoggers =
    LinkedHashMap<String, String>().apply {
      val packageName = OkHttpClient::class.java.`package`?.name

      fail("No exception thrown");
    } catch (UnsupportedOperationException expected) {
    }
  }


  @GwtIncompatible // weak references
  @J2ktIncompatible
  @AndroidIncompatible // depends on details of GC
  public void testFreesNextReference() {
    Iterator<Object> itr =
        new AbstractIterator<Object>() {
          @Override
          public Object computeNext() {
            return new Object();

      fail("No exception thrown");
    } catch (UnsupportedOperationException expected) {
    }
  }


  @GwtIncompatible // weak references
  @J2ktIncompatible
  @AndroidIncompatible // depends on details of GC
  public void testFreesNextReference() {
    Iterator<Object> itr =
        new AbstractIterator<Object>() {
          @Override
          public Object computeNext() {
            return new Object();

		// For example, if len(stats.PauseQuantiles) is 5, it will be
		// filled with the minimum, 25%, 50%, 75%, and maximum pause times.
		PauseQuantiles: make([]time.Duration, 5),
	}
	debug.ReadGCStats(&gcStats)
	// Truncate GC stats to max 5 entries.
	if len(gcStats.PauseEnd) > 5 {
		gcStats.PauseEnd = gcStats.PauseEnd[len(gcStats.PauseEnd)-5:]
	}
	if len(gcStats.Pause) > 5 {
		gcStats.Pause = gcStats.Pause[len(gcStats.Pause)-5:]
	}

      RunnableExecutorPair list;
      synchronized (this) {
        if (executed) {
          return;
        }
        executed = true;
        list = runnables;
        runnables = null; // allow GC to free listeners even if this stays around for a while.
      }
      while (list != null) {
        executeListener(list.runnable, list.executor);
        list = list.next;
      }
    }

      RunnableExecutorPair list;
      synchronized (this) {
        if (executed) {
          return;
        }
        executed = true;
        list = runnables;
        runnables = null; // allow GC to free listeners even if this stays around for a while.
      }
      while (list != null) {
        executeListener(list.runnable, list.executor);
        list = list.next;
      }
    }

	// snapshot the cache to avoid long locking
	return maps.Clone(p.currentPodCache)
}

// Remove and return the Netns for the given uid
// No need to return NetnsCloser here it will be closed automatically on GC.
// (it may be used in parallel by other parts of the code, so we want it to be used only when not used)
func (p *podNetnsCache) Take(uid string) Netns {
	// lock current pod map
	p.mu.Lock()
	defer p.mu.Unlock()

      /*
       * Using weak references here could let us release exceptions earlier, but:
       *
       * 1. On Android, querying a WeakReference blocks if the GC is doing an otherwise-concurrent
       * pass.
       *
       * 2. We would probably choose to compare exceptions using == instead of equals() (for

    - name: Cleanup Gradle Cache
      # Cleans up the Gradle caches before being cached
      run: |
        rm -f ~/.gradle/caches/modules-2/modules-2.lock
        rm -f ~/.gradle/caches/modules-2/gc.properties