1 /*
2 * Copyright (c) 2020, Red Hat, Inc. 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 /*
25 * @test
26 * @summary Test for Magic.addressOf with 32-bit compressed oops
27 * @library /test/lib
28 *
29 * @run main/othervm -Xmx128m
30 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
31 * -Xint
32 * AddressOf
33 *
34 * @run main/othervm -Xmx128m
35 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
36 * -XX:TieredStopAtLevel=1
37 * AddressOf
38 *
39 * @run main/othervm -Xmx128m
40 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
41 * -XX:-TieredCompilation
42 * AddressOf
43 */
44
45 /*
46 * @test
47 * @summary Test for Magic.addressOf with zero-based compressed oops
48 * @library /test/lib
49 * @requires vm.bits == 64
50 *
51 * @run main/othervm -Xmx4g
52 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
53 * -Xint
54 * AddressOf
55 *
56 * @run main/othervm -Xmx4g
57 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
58 * -XX:TieredStopAtLevel=1
59 * AddressOf
60 *
61 * @run main/othervm -Xmx4g
62 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
63 * -XX:-TieredCompilation
64 * AddressOf
65 */
66
67 /*
68 * @test
69 * @summary Test for Magic.addressOf without compressed oops
70 * @library /test/lib
71 * @requires vm.bits == 64
72 *
73 * @run main/othervm -Xmx128m -XX:-UseCompressedOops
74 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
75 * -Xint
76 * AddressOf
77 *
78 * @run main/othervm -Xmx128m -XX:-UseCompressedOops
79 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
80 * -XX:TieredStopAtLevel=1
81 * AddressOf
82 *
83 * @run main/othervm -Xmx128m -XX:-UseCompressedOops
84 * -XX:+UnlockDiagnosticVMOptions -XX:+AbortVMOnCompilationFailure -Xcheck:jni
85 * -XX:-TieredCompilation
86 * AddressOf
87 */
88
89 import java.lang.reflect.Field;
90
91 import net.shipilev.Magic;
92
93 public class AddressOf {
94
95 public static void main(String ... args) throws Exception {
96 testAddress_newInteger();
97 testAddress_IntegerValueOf();
98 testAddress_newObject();
99 testAddress_localObject();
100 testAddress_fieldObject();
101 testNulls();
102 }
103
104 private static void testAddress_newInteger() throws Exception {
105 for (int c = 0; c < MagicUtil.ITERS; c++) {
106 MagicUtil.assertNotEquals(0, Magic.addressOf(new Integer(c)));
107 }
108 }
109
110 private static void testAddress_IntegerValueOf() throws Exception {
111 for (int c = 0; c < MagicUtil.ITERS; c++) {
112 MagicUtil.assertNotEquals(0, Magic.addressOf(Integer.valueOf(c)));
113 }
114 }
115
116 private static void testAddress_newObject() throws Exception {
117 for (int c = 0; c < MagicUtil.ITERS; c++) {
118 MagicUtil.assertNotEquals(0, Magic.addressOf(new Object()));
119 }
120 }
121
122 private static void testAddress_localObject() throws Exception {
123 Object o = new Object();
124 for (int c = 0; c < MagicUtil.ITERS; c++) {
125 MagicUtil.assertNotEquals(0, Magic.addressOf(o));
126 }
127 }
128
129 static Object staticO = new Object();
130
131 private static void testAddress_fieldObject() throws Exception {
132 for (int c = 0; c < MagicUtil.ITERS; c++) {
133 MagicUtil.assertNotEquals(0, Magic.addressOf(staticO));
134 }
135 }
136
137 private static void testNulls() {
138 for (int c = 0; c < MagicUtil.ITERS; c++) {
139 try {
140 Magic.addressOf(null);
141 MagicUtil.assertFail();
142 } catch (NullPointerException e) {
143 // expected
144 }
145 }
146 }
147
148 }