* }
   *
   * <p>When selecting an executor, note that {@code directExecutor} is dangerous in some cases. See
   * the discussion in the {@link ListenableFuture#addListener} documentation. All its warnings
   * about heavyweight listeners are also applicable to heavyweight functions passed to this method.
   *
   * <p>After calling this method, you may not call {@link #finishToFuture()}, {@link

  public void testTransform_stackOverflow() throws Exception {
    SettableFuture<Object> input = SettableFuture.create();
    ListenableFuture<Object> output = transform(input, identity(), directExecutor());
    output.addListener(
        () -> {
          throw new StackOverflowError();
        },
        directExecutor());
    assertThrows(StackOverflowError.class, () -> input.set("foo"));
  }

  public void testTransform_stackOverflow() throws Exception {
    SettableFuture<Object> input = SettableFuture.create();
    ListenableFuture<Object> output = transform(input, identity(), directExecutor());
    output.addListener(
        () -> {
          throw new StackOverflowError();
        },
        directExecutor());
    assertThrows(StackOverflowError.class, () -> input.set("foo"));
  }

        LoadingValueReference<K, V> loadingValueReference,
        CacheLoader<? super K, V> loader) {
      ListenableFuture<V> loadingFuture = loadingValueReference.loadFuture(key, loader);
      loadingFuture.addListener(
          () -> {
            try {
              getAndRecordStats(key, hash, loadingValueReference, loadingFuture);
            } catch (Throwable t) {

        LoadingValueReference<K, V> loadingValueReference,
        CacheLoader<? super K, V> loader) {
      ListenableFuture<V> loadingFuture = loadingValueReference.loadFuture(key, loader);
      loadingFuture.addListener(
          () -> {
            try {
              getAndRecordStats(key, hash, loadingValueReference, loadingFuture);
            } catch (Throwable t) {