Method CApiGradientsTest

tensorflow/c/c_api_test.cc:1521–1524

class CApiGradientsTest : public ::testing::Test {
 protected:
  CApiGradientsTest()
      : s_(TF_NewStatus()),
        graph_(TF_NewGraph()),
        expected_graph_(TF_NewGraph()) {}

  ~CApiGradientsTest() override {
    TF_DeleteGraph(graph_);