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