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mindspore/tests/ut/cpp/dataset/arena_test.cc

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/**
* Copyright 2019 Huawei Technologies Co., Ltd
*
* Licensed 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.
*/
#include <string>
#include "minddata/dataset/util/allocator.h"
#include "minddata/dataset/util/arena.h"
#include "minddata/dataset/util/system_pool.h"
#include "common/common.h"
#include "utils/log_adapter.h"
using namespace mindspore::dataset;
class MindDataTestArena : public UT::Common {
public:
MindDataTestArena() {}
};
TEST_F(MindDataTestArena, Test1) {
std::shared_ptr<Arena> mp;
Status rc = Arena::CreateArena(&mp);
ASSERT_TRUE(rc.IsOk());
std::vector<void *> v;
srand(time(NULL));
for (int i = 0; i < 1000; i++) {
uint64_t sz = rand() % 1048576;
void *ptr = nullptr;
ASSERT_TRUE(mp->Allocate(sz, &ptr));
v.push_back(ptr);
}
for (int i = 0; i < 1000; i++) {
mp->Deallocate(v.at(i));
}
MS_LOG(DEBUG) << *mp;
}
TEST_F(MindDataTestArena, Test2) {
std::shared_ptr<Arena> arena;
Status rc = Arena::CreateArena(&arena);
std::shared_ptr<MemoryPool> mp = std::static_pointer_cast<MemoryPool>(arena);
auto alloc = Allocator<int>(mp);
ASSERT_TRUE(rc.IsOk());
std::vector<int, Allocator<int>> v(alloc);
v.reserve(1000);
for (auto i = 0; i < 1000; ++i) {
v.push_back(i);
}
// Test copy
std::vector<int, Allocator<int>> w(v, SystemPool::GetAllocator<int>());
auto val = w.at(10);
EXPECT_EQ(val, 10);
// Test move
std::vector<int, Allocator<int>> s(std::move(v), SystemPool::GetAllocator<int>());
val = s.at(100);
EXPECT_EQ(val, 100);
EXPECT_EQ(v.size(), 0);
}