TF_TString* t_in_tstr = static_cast<TF_TString*>(TF_TensorData(t_in.get()));
  TF_TString* t_out_tstr = static_cast<TF_TString*>(TF_TensorData(t_out));
  EXPECT_EQ(absl::string_view(test_string),
            absl::string_view(TF_TString_GetDataPointer(t_out_tstr),
                              TF_TString_GetSize(t_out_tstr)));
  EXPECT_EQ(absl::string_view(TF_TString_GetDataPointer(t_in_tstr),

    if (is_exact_edges) {
      ASSERT_EQ(e_edges.size() + c_edges.size(), a_edges.size())
          << "Expected edges: " << ToString(e_edges)
          << " Expected Control edges: " << ToString(c_edges)
          << " Actual edges: " << ToString(a_edges)
          << " in fdef: " << fdef.DebugString();
    }
  }

  void VerifyFDef(const std::unordered_set<string>& nodes,

  return th;
}

TFE_TensorHandle* TestScalarTensorHandle(TFE_Context* ctx,
                                         const tensorflow::tstring& value) {
  TF_Status* status = TF_NewStatus();
  TF_Tensor* t = TFE_AllocateHostTensor(ctx, TF_STRING, nullptr, 0, status);
  tstring* data = static_cast<tstring*>(TF_TensorData(t));
  *data = value;
  TFE_TensorHandle* th = TFE_NewTensorHandleFromTensor(ctx, t, status);