for (String invalid : invalidCases) {
      assertFalse(invalid, InternetDomainName.isValid(invalid));
    }
  }

  public void testToString() {
    for (String inputName : SOMEWHERE_UNDER_PS) {
      InternetDomainName domain = InternetDomainName.from(inputName);

      /*
       * We would ordinarily use constants for the expected results, but
       * doing it by derivation allows us to reuse the test case definitions

    for (String invalid : invalidCases) {
      assertFalse(invalid, InternetDomainName.isValid(invalid));
    }
  }

  public void testToString() {
    for (String inputName : SOMEWHERE_UNDER_PS) {
      InternetDomainName domain = InternetDomainName.from(inputName);

      /*
       * We would ordinarily use constants for the expected results, but
       * doing it by derivation allows us to reuse the test case definitions

            `Model.predict_step`.
        *   SavedModel uses its own `Model._saved_model_inputs_spec` attr now
            instead of relying on `Model.inputs` and `Model.input_names`, which
            are no longer set for subclass Models. This attr is set in eager,
            `tf.function`, and graph modes. This gets rid of the need for users

  // Retrieve the regression signature from meta graph def.
  const auto signature_def_map = metagraph_def.signature_def();
  const auto signature_def = signature_def_map.at("regress_x_to_y");

  const std::string input_name =
      signature_def.inputs().at(tensorflow::kRegressInputs).name();
  const std::string output_name =
      signature_def.outputs().at(tensorflow::kRegressOutputs).name();

     * replaced with the name of each future from {@link #allFutures}.
     */
    String smartToString(ImmutableSet<ListenableFuture<String>> inputs) {
      Iterable<String> inputNames = Iterables.transform(inputs, nameGetter);
      return Joiner.on(", ").join(inputNames);
    }

    void smartAssertTrue(
        ImmutableSet<ListenableFuture<String>> inputs, Exception cause, boolean expression) {
      if (!expression) {

     * replaced with the name of each future from {@link #allFutures}.
     */
    String smartToString(ImmutableSet<ListenableFuture<String>> inputs) {
      Iterable<String> inputNames = Iterables.transform(inputs, nameGetter);
      return Joiner.on(", ").join(inputNames);
    }

    void smartAssertTrue(
        ImmutableSet<ListenableFuture<String>> inputs, Exception cause, boolean expression) {
      if (!expression) {