32 lines
901 B
C++
32 lines
901 B
C++
/*!
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* Copyright 2021 XGBoost contributors
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*/
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#include <gtest/gtest.h>
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#include "../helpers.h"
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#include "../../../src/data/proxy_dmatrix.h"
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#include "../../../src/data/adapter.h"
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namespace xgboost {
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namespace data {
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TEST(ProxyDMatrix, HostData) {
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DMatrixProxy proxy;
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size_t constexpr kRows = 100, kCols = 10;
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std::vector<HostDeviceVector<float>> label_storage(1);
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HostDeviceVector<float> storage;
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auto data = RandomDataGenerator(kRows, kCols, 0.5)
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.Device(0)
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.GenerateArrayInterface(&storage);
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proxy.SetArrayData(data.c_str());
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auto n_samples = HostAdapterDispatch(
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&proxy, [](auto const &value) { return value.Size(); });
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ASSERT_EQ(n_samples, kRows);
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auto n_features = HostAdapterDispatch(
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&proxy, [](auto const &value) { return value.NumCols(); });
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ASSERT_EQ(n_features, kCols);
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}
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} // namespace data
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} // namespace xgboost
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