TF_Graph* graph = TF_NewGraph();

  // Make a placeholder operation.
  TF_Operation* feed = Placeholder(graph, s);
  ASSERT_EQ(TF_OK, TF_GetCode(s)) << TF_Message(s);

  // Make a constant operation with the scalar "2".
  TF_Operation* two = ScalarConst(2, graph, s);
  ASSERT_EQ(TF_OK, TF_GetCode(s)) << TF_Message(s);

  // Add operation.
  TF_Operation* add = Add(feed, two, graph, s);

  TFE_DeleteContext(ctx);
}

tensorflow::AttrValueMap ExtractAttrs(TFE_Op* op) {
  tensorflow::AttrValueMap attr_values;
  tensorflow::EagerOperation* operation =
      tensorflow::OperationFromInterface(tensorflow::unwrap(op));
  operation->Attrs().FillAttrValueMap(&attr_values);
  return attr_values;
}

TEST(CAPI, TestTFE_OpInferSingleInputAttrs) {
  TF_Status* status = TF_NewStatus();

  TF_Status* status = TF_NewStatus();
  TF_Operation* arg = TF_FinishOperation(arg_descr, status);
  ASSERT_TRUE(TF_GetCode(status) == TF_OK) << TF_Message(status);
  TF_OperationDescription* id_descr =
      TF_NewOperation(function_graph, "Identity", "id");
  TF_SetAttrType(id_descr, "T", TF_INT32);
  TF_AddInput(id_descr, {arg, 0});
  TF_Operation* id = TF_FinishOperation(id_descr, status);