const string gpu_device_name = GPUDeviceName(sess);
  TF_DeleteSession(sess, s);
  CHECK_EQ(TF_OK, TF_GetCode(s)) << TF_Message(s);
  return gpu_device_name;
}

TEST(CAPI, Version) { EXPECT_STRNE("", TF_Version()); }

TEST(CAPI, Status) {
  TF_Status* s = TF_NewStatus();
  EXPECT_EQ(TF_OK, TF_GetCode(s));
  EXPECT_EQ(string(), TF_Message(s));
  TF_SetStatus(s, TF_CANCELLED, "cancel");

// which is undefined.
//
// These macros evaluate their arguments exactly once.

#define EXPECT_STREQ(expected, actual) \
  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperSTREQ, expected, actual)
#define EXPECT_STRNE(s1, s2) \
  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperSTRNE, s1, s2)
#define EXPECT_STRCASEEQ(expected, actual) \
  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperSTRCASEEQ, expected, actual)

// which is undefined.
//
// These macros evaluate their arguments exactly once.

#define EXPECT_STREQ(expected, actual) \
  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperSTREQ, expected, actual)
#define EXPECT_STRNE(s1, s2) \
  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperSTRNE, s1, s2)
#define EXPECT_STRCASEEQ(expected, actual) \
  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperSTRCASEEQ, expected, actual)