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 
TEST(ChunkManager,list_index)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
70