Function TEST_F

cpp/src/arrow/gpu/cuda_test.cc:136–167

};

TEST_F(TestCudaDevice, Basics) {
  ASSERT_FALSE(device_->is_cpu());
  ASSERT_TRUE(IsCudaDevice(*device_));
  ASSERT_EQ(device_->device_number(), kGpuNumber);
  ASSERT_GE(device_->total_memory(), 1 << 20);
  ASSERT_NE(device_->device_name(), "");
  ASSERT_NE(device_->ToString(), "");

  ASSERT_OK_AND_ASSIGN(auto other_device, CudaDevice::Make(kGpuNumber));
  ASSERT_FALSE(other_device->is_cpu());
  ASSERT_TRUE(IsCudaDevice(*other_device));
  ASSERT_EQ(other_device->device_number(), kGpuNumber);
  ASSERT_EQ(other_device->total_memory(), device_->total_memory());
  ASSERT_EQ(other_device->handle(), device_->handle());
  ASSERT_EQ(other_device->device_name(), device_->device_name());
  ASSERT_EQ(*other_device, *device_);

  ASSERT_FALSE(IsCudaDevice(*cpu_device_));

  // Try another device if possible
  ASSERT_OK_AND_ASSIGN(other_device, OtherGpuDevice());
  if (other_device != nullptr) {
    ASSERT_FALSE(other_device->is_cpu());
    ASSERT_EQ(other_device->device_number(), kOtherGpuNumber);
    ASSERT_NE(*other_device, *device_);
    ASSERT_NE(other_device->handle(), device_->handle());
    ASSERT_NE(other_device->ToString(), device_->ToString());
  }

  ASSERT_RAISES(Invalid, CudaDevice::Make(-1));
  ASSERT_RAISES(Invalid, CudaDevice::Make(99));
}

TEST_F(TestCudaDevice, Copy) {
  auto cpu_buffer = Buffer::FromString("some data");