// All other fields could theoretically be zero/null.
  return absl::OkStatus();
}

absl::Status ValidateSPDeviceFns(const SP_DeviceFns& device_fns) {
  TF_VALIDATE_STRUCT_SIZE(SP_DeviceFns, device_fns, SP_DEVICE_FNS_STRUCT_SIZE);
  // All other fields could theoretically be zero/null.
  return absl::OkStatus();
}

  // Negative values are treated as "unset".
  double (*get_gflops)(const SP_Device* device);
} SP_DeviceFns;

#define SP_DEVICE_FNS_STRUCT_SIZE TF_OFFSET_OF_END(SP_DeviceFns, get_gflops)

typedef struct SE_CreateDeviceFnsParams {
  size_t struct_size;
  void* ext;  // reserved for future use

  SP_DeviceFns* device_fns;  // output, to be filled by plugin
} SE_CreateDeviceFnsParams;

        cplatform_->ExecutorForDevice(ordinal);
    TF_CHECK_OK(maybe_executor.status());
    return std::move(maybe_executor).value();
  }
  SP_Platform platform_;
  SP_PlatformFns platform_fns_;
  SP_DeviceFns device_fns_;
  SP_StreamExecutor se_;
  SP_TimerFns timer_fns_;
  std::unique_ptr<CPlatform> cplatform_;
};

TEST_F(StreamExecutorTest, Allocate) {