/*

 * Copyright (c) 2016, 2018 Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

#include "precompiled.hpp"

#include "memory/metaspace/chunkManager.hpp"

#include "memory/metaspace/metaspaceCommon.hpp"

// The test function is only available in debug builds

#ifdef ASSERT

#include "unittest.hpp"

using namespace metaspace;

TEST(ChunkManager, list_index) {

  // Test previous bug where a query for a humongous class metachunk,

  // incorrectly matched the non-class medium metachunk size.

  {

    ChunkManager manager(true);

    ASSERT_TRUE(MediumChunk > ClassMediumChunk) << "Precondition for test";

    ChunkIndex index = manager.list_index(MediumChunk);

    ASSERT_TRUE(index == HumongousIndex) <<

        "Requested size is larger than ClassMediumChunk,"

        " so should return HumongousIndex. Got index: " << index;

  }

  // Check the specified sizes as well.

  {

    ChunkManager manager(true);

    ASSERT_TRUE(manager.list_index(ClassSpecializedChunk) == SpecializedIndex);

    ASSERT_TRUE(manager.list_index(ClassSmallChunk) == SmallIndex);

    ASSERT_TRUE(manager.list_index(ClassMediumChunk) == MediumIndex);

    ASSERT_TRUE(manager.list_index(ClassMediumChunk + ClassSpecializedChunk) == HumongousIndex);

  }

  {

    ChunkManager manager(false);

    ASSERT_TRUE(manager.list_index(SpecializedChunk) == SpecializedIndex);

    ASSERT_TRUE(manager.list_index(SmallChunk) == SmallIndex);

    ASSERT_TRUE(manager.list_index(MediumChunk) == MediumIndex);

    ASSERT_TRUE(manager.list_index(MediumChunk + SpecializedChunk) == HumongousIndex);

  }

}

#endif // ASSERT