1 /*

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

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

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

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

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

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

    13  * accompanied this code).

    14  *

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

    16  * 2 along with this work; if not, write to the Free Software Foundation,

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

    18  *

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

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 #include "precompiled.hpp"

    25 #include "memory/metaspace/chunkManager.hpp"

    26 #include "memory/metaspace/metaspaceCommon.hpp"

    27 

    28 // The test function is only available in debug builds

    29 #ifdef ASSERT

    30 

    31 #include "unittest.hpp"

    32 

    33 using namespace metaspace;

    34 

    35 TEST(ChunkManager, list_index) {

    36 

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

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

    39   {

    40     ChunkManager manager(true);

    41 

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

    43 

    44     ChunkIndex index = manager.list_index(MediumChunk);

    45 

    46     ASSERT_TRUE(index == HumongousIndex) <<

    47         "Requested size is larger than ClassMediumChunk,"

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

    49   }

    50 

    51   // Check the specified sizes as well.

    52   {

    53     ChunkManager manager(true);

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

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

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

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

    58   }

    59   {

    60     ChunkManager manager(false);

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

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

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

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

    65   }

    66 

    67 }

    68 

    69 #endif // ASSERT