1 /*
2 * Copyright (c) 2019, 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 TestClone
26 * @summary Test clone barriers work correctly
27 * @requires vm.gc.Shenandoah & !vm.graal.enabled
28 *
29 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
30 * -XX:+UseShenandoahGC
31 * TestClone
32 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
33 * -XX:+UseShenandoahGC
34 * -Xint
35 * TestClone
36 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
37 * -XX:+UseShenandoahGC
38 * -XX:-TieredCompilation
39 * TestClone
40 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
41 * -XX:+UseShenandoahGC
42 * -XX:TieredStopAtLevel=1
43 * TestClone
44 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
45 * -XX:+UseShenandoahGC
46 * -XX:TieredStopAtLevel=4
47 * TestClone
48 */
49
50 /*
51 * @test TestClone
52 * @summary Test clone barriers work correctly
53 * @requires vm.gc.Shenandoah & !vm.graal.enabled
54 *
55 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
56 * -XX:+UseShenandoahGC
57 * -XX:+ShenandoahVerify
58 * TestClone
59 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
60 * -XX:+UseShenandoahGC
61 * -XX:+ShenandoahVerify
62 * -Xint
63 * TestClone
64 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
65 * -XX:+UseShenandoahGC
66 * -XX:+ShenandoahVerify
67 * -XX:-TieredCompilation
68 * TestClone
69 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
70 * -XX:+UseShenandoahGC
71 * -XX:+ShenandoahVerify
72 * -XX:TieredStopAtLevel=1
73 * TestClone
74 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
75 * -XX:+UseShenandoahGC
76 * -XX:+ShenandoahVerify
77 * -XX:TieredStopAtLevel=4
78 * TestClone
79 */
80
81 /*
82 * @test TestClone
83 * @summary Test clone barriers work correctly
84 * @requires vm.gc.Shenandoah & !vm.graal.enabled
85 *
86 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
87 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
88 * TestClone
89 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
90 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
91 * -Xint
92 * TestClone
93 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
94 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
95 * -XX:-TieredCompilation
96 * TestClone
97 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
98 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
99 * -XX:TieredStopAtLevel=1
100 * TestClone
101 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
102 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
103 * -XX:TieredStopAtLevel=4
104 * TestClone
105 */
106
107 /*
108 * @test TestClone
109 * @summary Test clone barriers work correctly
110 * @requires vm.gc.Shenandoah & !vm.graal.enabled & (vm.bits == "64")
111 *
112 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
113 * -XX:-UseCompressedOops
114 * -XX:+UseShenandoahGC
115 * TestClone
116 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
117 * -XX:-UseCompressedOops
118 * -XX:+UseShenandoahGC
119 * -Xint
120 * TestClone
121 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
122 * -XX:-UseCompressedOops
123 * -XX:+UseShenandoahGC
124 * -XX:-TieredCompilation
125 * TestClone
126 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
127 * -XX:-UseCompressedOops
128 * -XX:+UseShenandoahGC
129 * -XX:TieredStopAtLevel=1
130 * TestClone
131 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
132 * -XX:-UseCompressedOops
133 * -XX:+UseShenandoahGC
134 * -XX:TieredStopAtLevel=4
135 * TestClone
136 */
137
138 /*
139 * @test TestClone
140 * @summary Test clone barriers work correctly
141 * @requires vm.gc.Shenandoah & !vm.graal.enabled & (vm.bits == "64")
142 *
143 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
144 * -XX:-UseCompressedOops
145 * -XX:+UseShenandoahGC
146 * -XX:+ShenandoahVerify
147 * TestClone
148 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
149 * -XX:-UseCompressedOops
150 * -XX:+UseShenandoahGC
151 * -XX:+ShenandoahVerify
152 * -Xint
153 * TestClone
154 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
155 * -XX:-UseCompressedOops
156 * -XX:+UseShenandoahGC
157 * -XX:+ShenandoahVerify
158 * -XX:-TieredCompilation
159 * TestClone
160 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
161 * -XX:-UseCompressedOops
162 * -XX:+UseShenandoahGC
163 * -XX:+ShenandoahVerify
164 * -XX:TieredStopAtLevel=1
165 * TestClone
166 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
167 * -XX:-UseCompressedOops
168 * -XX:+UseShenandoahGC
169 * -XX:+ShenandoahVerify
170 * -XX:TieredStopAtLevel=4
171 * TestClone
172 */
173
174 /*
175 * @test TestClone
176 * @summary Test clone barriers work correctly
177 * @requires vm.gc.Shenandoah & !vm.graal.enabled & (vm.bits == "64")
178 *
179 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
180 * -XX:-UseCompressedOops
181 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
182 * TestClone
183 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
184 * -XX:-UseCompressedOops
185 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
186 * -Xint
187 * TestClone
188 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
189 * -XX:-UseCompressedOops
190 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
191 * -XX:-TieredCompilation
192 * TestClone
193 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
194 * -XX:-UseCompressedOops
195 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
196 * -XX:TieredStopAtLevel=1
197 * TestClone
198 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
199 * -XX:-UseCompressedOops
200 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
201 * -XX:TieredStopAtLevel=4
202 * TestClone
203 */
204
205
206 public class TestClone {
207
208 public static void main(String[] args) throws Exception {
209 for (int i = 0; i < 10000; i++) {
210 Object[] src = new Object[i];
211 for (int c = 0; c < src.length; c++) {
212 src[c] = new Object();
213 }
214 testWith(src);
215 }
216 }
217
218 static void testWith(Object[] src) {
219 Object[] dst = src.clone();
220 int srcLen = src.length;
221 int dstLen = dst.length;
222 if (srcLen != dstLen) {
223 throw new IllegalStateException("Lengths do not match: " + srcLen + " vs " + dstLen);
224 }
225 for (int c = 0; c < src.length; c++) {
226 Object s = src[c];
227 Object d = dst[c];
228 if (s != d) {
229 throw new IllegalStateException("Elements do not match at " + c + ": " + s + " vs " + d);
230 }
231 }
232 }
233 }