AsyncFunction<String, Integer> function =
        unused -> {
          throw error;
        };
    SettableFuture<String> inputFuture = SettableFuture.create();
    ListenableFuture<Integer> outputFuture =
        transformAsync(inputFuture, function, directExecutor());
    inputFuture.set("value");
    ExecutionException expected =
        assertThrows(ExecutionException.class, () -> getDone(outputFuture));

    AsyncFunction<String, Integer> function =
        unused -> {
          throw error;
        };
    SettableFuture<String> inputFuture = SettableFuture.create();
    ListenableFuture<Integer> outputFuture =
        transformAsync(inputFuture, function, directExecutor());
    inputFuture.set("value");
    ExecutionException expected =
        assertThrows(ExecutionException.class, () -> getDone(outputFuture));

    @RetainedLocalRef ListenableFuture<? extends V> localInputFuture = delegateRef;
    @RetainedLocalRef ScheduledFuture<?> localTimer = timer;
    if (localInputFuture != null) {
      String message = "inputFuture=[" + localInputFuture + "]";
      if (localTimer != null) {
        long delay = localTimer.getDelay(MILLISECONDS);
        // Negative delays look confusing in an error message
        if (delay > 0) {