1 /*
2 * Copyright Amazon.com Inc. 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 "oops/objArrayOop.hpp"
26 #include "unittest.hpp"
27 #include "utilities/globalDefinitions.hpp"
28
29 TEST_VM(objArrayOop, osize) {
30 static const struct {
31 int objal; bool ccp; bool coops; int result;
32 } x[] = {
33 // ObjAligInB, UseCCP, UseCoops, object size in heap words
34 #ifdef _LP64
35 { 8, false, false, 4 }, // 20 byte header, 8 byte oops
36 { 8, false, true, 3 }, // 20 byte header, 4 byte oops
37 { 8, true, false, 3 }, // 16 byte header, 8 byte oops
38 { 8, true, true, 3 }, // 16 byte header, 4 byte oops
39 { 16, false, false, 4 }, // 20 byte header, 8 byte oops, 16-byte align
40 { 16, false, true, 4 }, // 20 byte header, 4 byte oops, 16-byte align
41 { 16, true, false, 4 }, // 16 byte header, 8 byte oops, 16-byte align
42 { 16, true, true, 4 }, // 16 byte header, 4 byte oops, 16-byte align
43 { 256, false, false, 32 }, // 20 byte header, 8 byte oops, 256-byte align
44 { 256, false, true, 32 }, // 20 byte header, 4 byte oops, 256-byte align
45 { 256, true, false, 32 }, // 16 byte header, 8 byte oops, 256-byte align
46 { 256, true, true, 32 }, // 16 byte header, 4 byte oops, 256-byte align
47 #else
48 { 8, false, false, 4 }, // 12 byte header, 4 byte oops, wordsize 4
49 #endif
50 { -1, false, false, -1 }
51 };
52 for (int i = 0; x[i].result != -1; i++) {
53 if (x[i].objal == (int)ObjectAlignmentInBytes && x[i].ccp == UseCompressedClassPointers && x[i].coops == UseCompressedOops) {
54 EXPECT_EQ(objArrayOopDesc::object_size(1), (size_t)x[i].result);
55 }
56 }
57 }