// Input "a" is a scalar, float32 tensor
  EXPECT_EQ("a", std::string(TF_SignatureDefParamName(param_a)));
  EXPECT_EQ(TF_FLOAT, TF_TensorSpecDataType(tensor_spec_a));
  EXPECT_EQ(0, TF_ShapeDims(shape_a));

  const TF_SignatureDefParam* param_b = TF_SignatureDefParamListGet(args, 1);
  const TF_TensorSpec* tensor_spec_b = TF_SignatureDefParamTensorSpec(param_b);