63 lines
2.4 KiB
C++
63 lines
2.4 KiB
C++
/*!
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* Copyright 2020-2021 by XGBoost Contributors
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*/
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#include <gtest/gtest.h>
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#include <xgboost/host_device_vector.h>
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#include "../helpers.h"
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#include "../../../src/data/array_interface.h"
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namespace xgboost {
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TEST(ArrayInterface, Initialize) {
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size_t constexpr kRows = 10, kCols = 10;
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HostDeviceVector<float> storage;
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auto array = RandomDataGenerator{kRows, kCols, 0}.GenerateArrayInterface(&storage);
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auto arr_interface = ArrayInterface(array);
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ASSERT_EQ(arr_interface.num_rows, kRows);
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ASSERT_EQ(arr_interface.num_cols, kCols);
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ASSERT_EQ(arr_interface.data, storage.ConstHostPointer());
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ASSERT_EQ(arr_interface.ElementSize(), 4);
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ASSERT_EQ(arr_interface.type, ArrayInterface::kF4);
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HostDeviceVector<size_t> u64_storage(storage.Size());
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std::string u64_arr_str;
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Json::Dump(GetArrayInterface(&u64_storage, kRows, kCols), &u64_arr_str);
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std::copy(storage.ConstHostVector().cbegin(), storage.ConstHostVector().cend(),
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u64_storage.HostSpan().begin());
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auto u64_arr = ArrayInterface{u64_arr_str};
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ASSERT_EQ(u64_arr.ElementSize(), 8);
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ASSERT_EQ(u64_arr.type, ArrayInterface::kU8);
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}
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TEST(ArrayInterface, Error) {
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constexpr size_t kRows = 16, kCols = 10;
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Json column { Object() };
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std::vector<Json> j_shape {Json(Integer(static_cast<Integer::Int>(kRows)))};
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column["shape"] = Array(j_shape);
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std::vector<Json> j_data {
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Json(Integer(reinterpret_cast<Integer::Int>(nullptr))),
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Json(Boolean(false))};
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auto const& column_obj = get<Object>(column);
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// missing version
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EXPECT_THROW(ArrayInterfaceHandler::ExtractData<float>(column_obj), dmlc::Error);
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column["version"] = Integer(static_cast<Integer::Int>(1));
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// missing data
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EXPECT_THROW(ArrayInterfaceHandler::ExtractData<float>(column_obj), dmlc::Error);
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column["data"] = j_data;
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// missing typestr
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EXPECT_THROW(ArrayInterfaceHandler::ExtractData<float>(column_obj), dmlc::Error);
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column["typestr"] = String("<f4");
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// nullptr is not valid
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EXPECT_THROW(ArrayInterfaceHandler::ExtractData<float>(column_obj), dmlc::Error);
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HostDeviceVector<float> storage;
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auto array = RandomDataGenerator{kRows, kCols, 0}.GenerateArrayInterface(&storage);
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j_data = {
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Json(Integer(reinterpret_cast<Integer::Int>(storage.ConstHostPointer()))),
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Json(Boolean(false))};
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column["data"] = j_data;
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EXPECT_NO_THROW(ArrayInterfaceHandler::ExtractData<float>(column_obj));
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}
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} // namespace xgboost
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