/**

* Copyright 2020-2025, XGBoost contributors

*/

#include <gtest/gtest.h>

#include <xgboost/host_device_vector.h>

#include <any> // for any_cast

#include <memory> // for shared_ptr

#include <vector> // for vector

#include "../../../src/data/device_adapter.cuh"

#include "../../../src/data/proxy_dmatrix.h"

#include "../helpers.h"

#include "xgboost/host_device_vector.h" // for HostDeviceVector

namespace xgboost::data {

TEST(ProxyDMatrix, DeviceData) {

constexpr size_t kRows{100}, kCols{100};

HostDeviceVector<float> storage;

auto data =

RandomDataGenerator(kRows, kCols, 0.5).Device(FstCU()).GenerateArrayInterface(&storage);

std::vector<HostDeviceVector<float>> label_storage(1);

auto labels = RandomDataGenerator(kRows, 1, 0)

.Device(FstCU())

.GenerateColumnarArrayInterface(&label_storage);

DMatrixProxy proxy;

proxy.SetCudaArray(data.c_str());

proxy.SetInfo("label", labels.c_str());

ASSERT_EQ(proxy.Adapter().type(), typeid(std::shared_ptr<CupyAdapter>));

ASSERT_EQ(proxy.Info().labels.Size(), kRows);

ASSERT_EQ(std::any_cast<std::shared_ptr<CupyAdapter>>(proxy.Adapter())->NumRows(), kRows);

ASSERT_EQ(std::any_cast<std::shared_ptr<CupyAdapter>>(proxy.Adapter())->NumColumns(), kCols);

std::vector<HostDeviceVector<float>> columnar_storage(kCols);

data = RandomDataGenerator(kRows, kCols, 0)

.Device(FstCU())

.GenerateColumnarArrayInterface(&columnar_storage);

proxy.SetCudaColumnar(data.c_str());

ASSERT_EQ(proxy.Adapter().type(), typeid(std::shared_ptr<CudfAdapter>));

ASSERT_EQ(std::any_cast<std::shared_ptr<CudfAdapter>>(proxy.Adapter())->NumRows(), kRows);

ASSERT_EQ(std::any_cast<std::shared_ptr<CudfAdapter>>(proxy.Adapter())->NumColumns(), kCols);

}

} // namespace xgboost::data