WeakReference<Object> garbage = new WeakReference<>(new Object());
      GcFinalization.awaitClear(garbage);
      assertNotNull(weakRef.get());
    }
  }

  public void testMaximalWeakStripedLock() {
    Striped<Lock> stripedLock = Striped.lazyWeakLock(Integer.MAX_VALUE);
    for (int i = 0; i < 10000; i++) {
      stripedLock.get(new Object()).lock();
      // nothing special (e.g. an exception) happens

      WeakReference<Object> garbage = new WeakReference<>(new Object());
      GcFinalization.awaitClear(garbage);
      assertNotNull(weakRef.get());
    }
  }

  public void testMaximalWeakStripedLock() {
    Striped<Lock> stripedLock = Striped.lazyWeakLock(Integer.MAX_VALUE);
    for (int i = 0; i < 10000; i++) {
      stripedLock.get(new Object()).lock();
      // nothing special (e.g. an exception) happens