ASSERT_THAT(op->outputs, SizeIs(1));

  auto float_graph = readonly_model_->subgraphs()->Get(0);
  auto float_op = float_graph->operators()->Get(0);
  const int float_input0_idx = float_op->inputs()->Get(0);
  const int float_input1_idx = float_op->inputs()->Get(1);
  const int float_output_idx = float_op->outputs()->Get(0);
  ASSERT_THAT(float_graph->tensors()->Get(float_input0_idx)->type(),
              Eq(TensorType_FLOAT32));