kun yu 77e1ddd81b branch-0.4.0
Former-commit-id: a4df63653202df32d0b983de27f5c969905d17ac
2019-07-30 10:23:34 +08:00

134 lines
4.2 KiB
C++

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#ifndef ARROW_TEST_COMMON_H
#define ARROW_TEST_COMMON_H
#include <cstdint>
#include <memory>
#include <random>
#include <string>
#include <vector>
#include <gtest/gtest.h>
#include "arrow/array.h"
#include "arrow/buffer.h"
#include "arrow/builder.h"
#include "arrow/memory_pool.h"
#include "arrow/testing/gtest_util.h"
#include "arrow/testing/util.h"
namespace arrow {
class TestBase : public ::testing::Test {
public:
void SetUp() {
pool_ = default_memory_pool();
random_seed_ = 0;
}
std::shared_ptr<Buffer> MakeRandomNullBitmap(int64_t length, int64_t null_count) {
const int64_t null_nbytes = BitUtil::BytesForBits(length);
std::shared_ptr<Buffer> null_bitmap;
ARROW_EXPECT_OK(AllocateBuffer(pool_, null_nbytes, &null_bitmap));
memset(null_bitmap->mutable_data(), 255, null_nbytes);
for (int64_t i = 0; i < null_count; i++) {
BitUtil::ClearBit(null_bitmap->mutable_data(), i * (length / null_count));
}
return null_bitmap;
}
template <typename ArrayType>
inline std::shared_ptr<Array> MakeRandomArray(int64_t length, int64_t null_count = 0);
protected:
uint32_t random_seed_;
MemoryPool* pool_;
};
template <typename ArrayType>
std::shared_ptr<Array> TestBase::MakeRandomArray(int64_t length, int64_t null_count) {
const int64_t data_nbytes = length * sizeof(typename ArrayType::value_type);
std::shared_ptr<Buffer> data;
ARROW_EXPECT_OK(AllocateBuffer(pool_, data_nbytes, &data));
// Fill with random data
random_bytes(data_nbytes, random_seed_++, data->mutable_data());
std::shared_ptr<Buffer> null_bitmap = MakeRandomNullBitmap(length, null_count);
return std::make_shared<ArrayType>(length, data, null_bitmap, null_count);
}
template <>
inline std::shared_ptr<Array> TestBase::MakeRandomArray<NullArray>(int64_t length,
int64_t null_count) {
return std::make_shared<NullArray>(length);
}
template <>
inline std::shared_ptr<Array> TestBase::MakeRandomArray<FixedSizeBinaryArray>(
int64_t length, int64_t null_count) {
const int byte_width = 10;
std::shared_ptr<Buffer> null_bitmap = MakeRandomNullBitmap(length, null_count);
std::shared_ptr<Buffer> data;
ARROW_EXPECT_OK(AllocateBuffer(pool_, byte_width * length, &data));
::arrow::random_bytes(data->size(), 0, data->mutable_data());
return std::make_shared<FixedSizeBinaryArray>(fixed_size_binary(byte_width), length,
data, null_bitmap, null_count);
}
template <>
inline std::shared_ptr<Array> TestBase::MakeRandomArray<BinaryArray>(int64_t length,
int64_t null_count) {
std::vector<uint8_t> valid_bytes(length, 1);
for (int64_t i = 0; i < null_count; i++) {
valid_bytes[i * 2] = 0;
}
BinaryBuilder builder(pool_);
const int kBufferSize = 10;
uint8_t buffer[kBufferSize];
for (int64_t i = 0; i < length; i++) {
if (!valid_bytes[i]) {
ARROW_EXPECT_OK(builder.AppendNull());
} else {
::arrow::random_bytes(kBufferSize, static_cast<uint32_t>(i), buffer);
ARROW_EXPECT_OK(builder.Append(buffer, kBufferSize));
}
}
std::shared_ptr<Array> out;
ARROW_EXPECT_OK(builder.Finish(&out));
return out;
}
class TestBuilder : public ::testing::Test {
public:
void SetUp() { pool_ = default_memory_pool(); }
protected:
MemoryPool* pool_;
std::shared_ptr<DataType> type_;
};
} // namespace arrow
#endif // ARROW_TEST_COMMON_H_