cpp/core/tests/MemoryAllocatorTest.cc

/*
 * 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.
 */

#include "memory/MemoryAllocator.h"
#include <gtest/gtest.h>

using namespace gluten;

TEST(StdMemoryAllocator, allocateZeroFilledAccounting) {
  StdMemoryAllocator allocator;
  ASSERT_EQ(allocator.getBytes(), 0);

  // allocateZeroFilled with nmemb=10, size=64 should track 10*64=640 bytes.
  const int64_t expectedBytes = 10 * 64;
  void* buf = nullptr;
  bool ok = allocator.allocateZeroFilled(10, 64, &buf);
  ASSERT_TRUE(ok);
  ASSERT_NE(buf, nullptr);
  ASSERT_EQ(allocator.getBytes(), expectedBytes);

  ASSERT_TRUE(allocator.free(buf, expectedBytes));
  ASSERT_EQ(allocator.getBytes(), 0);
}