1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
/**
* Copyright 2021-2023, XGBoost contributors
*/
#include <gtest/gtest.h>
#include "../../../src/data/adapter.h"
#include "../../../src/data/proxy_dmatrix.h"
#include "../helpers.h"
namespace xgboost::data {
TEST(ProxyDMatrix, HostData) {
DMatrixProxy proxy;
size_t constexpr kRows = 100, kCols = 10;
std::vector<HostDeviceVector<float>> label_storage(1);
HostDeviceVector<float> storage;
auto data =
RandomDataGenerator(kRows, kCols, 0.5).Device(FstCU()).GenerateArrayInterface(&storage);
proxy.SetArrayData(data.c_str());
auto n_samples = HostAdapterDispatch(&proxy, [](auto const &value) { return value.Size(); });
ASSERT_EQ(n_samples, kRows);
auto n_features = HostAdapterDispatch(&proxy, [](auto const &value) { return value.NumCols(); });
ASSERT_EQ(n_features, kCols);
}
} // namespace xgboost::data
|
