assertTrue(listenableFuture.isDone());
  }

  public void testListenInPoolThreadUsesGivenExecutor() throws Exception {
    ExecutorService executorService =
        newCachedThreadPool(new ThreadFactoryBuilder().setDaemon(true).build());
    NonListenableSettableFuture<String> abstractFuture = NonListenableSettableFuture.create();
    ExecutorSpy spy = new ExecutorSpy(executorService);

import com.google.caliper.Benchmark;
import com.google.caliper.Param;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.primitives.Ints;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.ConcurrentHashMap;