const char data[] = {1, 2, 3};
  const int64_t vec2_dims[] = {2};
  unique_tensor_ptr vec2_tensor(
      Int8Tensor(vec2_dims, TF_ARRAYSIZE(vec2_dims), data), TF_DeleteTensor);
  TF_Operation* vec2 = Const(vec2_tensor.get(), graph, status, "vec2");
  ASSERT_EQ(TF_OK, TF_GetCode(status)) << TF_Message(status);

  const int64_t vec3_dims[] = {3};
  unique_tensor_ptr vec3_tensor(