}

  private static <T extends @Nullable Object> void assertEvalsLike(
      Predicate<? super T> expected, Predicate<? super T> actual, T input) {
    Boolean expectedResult = null;
    RuntimeException expectedRuntimeException = null;
    try {
      expectedResult = expected.apply(input);
    } catch (RuntimeException e) {
      expectedRuntimeException = e;
    }

    Boolean actualResult = null;

    TF_DeleteGraph(func_graph_);
    TF_DeleteStatus(s_);
  }

  void Run(const std::vector<std::pair<TF_Operation*, TF_Tensor*>>& inputs,
           TF_Operation* output, int32_t expected_result) {
    Run(inputs, {{output, 0}}, {expected_result});
  }

  // Run the host graph, which now contains a function and check that
  // outputs are as expected.
  // 'T' stands for 'tensor' since the outputs are tensors, not scalars.