1 /*
2 * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2020 SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #include "precompiled.hpp"
27 #include "memory/metaspace.hpp"
28 #include "unittest.hpp"
29
TEST_VM(MetaspaceUtils,reserved)30 TEST_VM(MetaspaceUtils, reserved) {
31 size_t reserved = MetaspaceUtils::reserved_bytes();
32 EXPECT_GT(reserved, 0UL);
33
34 size_t reserved_metadata = MetaspaceUtils::reserved_bytes(Metaspace::NonClassType);
35 EXPECT_GT(reserved_metadata, 0UL);
36 EXPECT_LE(reserved_metadata, reserved);
37 }
38
TEST_VM(MetaspaceUtils,reserved_compressed_class_pointers)39 TEST_VM(MetaspaceUtils, reserved_compressed_class_pointers) {
40 if (!UseCompressedClassPointers) {
41 return;
42 }
43 size_t reserved = MetaspaceUtils::reserved_bytes();
44 EXPECT_GT(reserved, 0UL);
45
46 size_t reserved_class = MetaspaceUtils::reserved_bytes(Metaspace::ClassType);
47 EXPECT_GT(reserved_class, 0UL);
48 EXPECT_LE(reserved_class, reserved);
49 }
50
TEST_VM(MetaspaceUtils,committed)51 TEST_VM(MetaspaceUtils, committed) {
52 size_t committed = MetaspaceUtils::committed_bytes();
53 EXPECT_GT(committed, 0UL);
54
55 size_t reserved = MetaspaceUtils::reserved_bytes();
56 EXPECT_LE(committed, reserved);
57
58 size_t committed_metadata = MetaspaceUtils::committed_bytes(Metaspace::NonClassType);
59 EXPECT_GT(committed_metadata, 0UL);
60 EXPECT_LE(committed_metadata, committed);
61 }
62
TEST_VM(MetaspaceUtils,committed_compressed_class_pointers)63 TEST_VM(MetaspaceUtils, committed_compressed_class_pointers) {
64 if (!UseCompressedClassPointers) {
65 return;
66 }
67 size_t committed = MetaspaceUtils::committed_bytes();
68 EXPECT_GT(committed, 0UL);
69
70 size_t committed_class = MetaspaceUtils::committed_bytes(Metaspace::ClassType);
71 EXPECT_GT(committed_class, 0UL);
72 EXPECT_LE(committed_class, committed);
73 }
74
75