@Override
      public void run() {
        if (hasCache()) {
          OffHeapTestUtil.checkOrphans(getCache());
        }
      }
Tests Distributed Ack Persistent Region with ConcurrencyChecksEnabled and OffHeap memory.

@since Geode 1.0
geode-core/src/distributedTest/java/org/apache/geode/cache30/DistributedAckPersistentRegionCCEOffHeapDUnitTest.java