mindspore2022/tests/ut/cpp/dataset/memory_pool_test.cc

/**
 * 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 "dataset/util/memory_pool.h"
#include "dataset/util/circular_pool.h"
#include "dataset/util/system_pool.h"
#include "dataset/util/allocator.h"
#include "common/common.h"
#include "gtest/gtest.h"

using namespace mindspore::dataset;

class MindDataTestMemoryPool : public UT::Common {
 public:
    std::shared_ptr<MemoryPool> mp_;
    MindDataTestMemoryPool() {}

    void SetUp() {
      Status rc = CircularPool::CreateCircularPool(&mp_, 1, 1, true);
      ASSERT_TRUE(rc.IsOk());
    }
};

TEST_F(MindDataTestMemoryPool, DumpPoolInfo) {
  MS_LOG(DEBUG) << *(std::dynamic_pointer_cast<CircularPool>(mp_)) << std::endl;
}

TEST_F(MindDataTestMemoryPool, TestOperator1) {
  Status rc;
  int *p = new(&rc, mp_) int;
  ASSERT_TRUE(rc.IsOk());
  *p = 2048;
  ::operator delete(p, mp_);
}

TEST_F(MindDataTestMemoryPool, TestOperator3) {
  Status rc;
  int *p = new (&rc, mp_) int[100];
  ASSERT_TRUE(rc.IsOk());
  for (int i = 0; i < 100; i++) {
    p[i] = i;
  }
  for (int i = 0; i < 100; i++) {
    ASSERT_EQ(p[i], i);
  }
}

TEST_F(MindDataTestMemoryPool, TestAllocator) {
  class A {
   public:
      explicit A (int x) : a(x) {}
      int val_a() const {
        return a;
      }
   private:
      int a;
  };
  Allocator<A> alloc(mp_);
  std::shared_ptr<A> obj_a = std::allocate_shared<A>(alloc, 3);
  int v = obj_a->val_a();
  ASSERT_EQ(v, 3);
  MS_LOG(DEBUG) << *(std::dynamic_pointer_cast<CircularPool>(mp_)) << std::endl;
}