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 * @key gc
28 * @requires vm.gc.Shenandoah & !vm.graal.enabled
29 *
30 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
31 * -XX:+UseShenandoahGC
32 * TestClone
33 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
34 * -XX:+UseShenandoahGC
35 * -Xint
36 * TestClone
37 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
38 * -XX:+UseShenandoahGC
39 * -XX:-TieredCompilation
40 * TestClone
41 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
42 * -XX:+UseShenandoahGC
43 * -XX:TieredStopAtLevel=1
44 * TestClone
45 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
46 * -XX:+UseShenandoahGC
47 * -XX:TieredStopAtLevel=4
48 * TestClone
49 */
50
51 /*
52 * @test TestClone
53 * @summary Test clone barriers work correctly
54 * @key gc
55 * @requires vm.gc.Shenandoah & !vm.graal.enabled
56 *
57 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
58 * -XX:+UseShenandoahGC
59 * -XX:+ShenandoahVerify
60 * TestClone
61 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
62 * -XX:+UseShenandoahGC
63 * -XX:+ShenandoahVerify
64 * -Xint
65 * TestClone
66 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
67 * -XX:+UseShenandoahGC
68 * -XX:+ShenandoahVerify
69 * -XX:-TieredCompilation
70 * TestClone
71 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
72 * -XX:+UseShenandoahGC
73 * -XX:+ShenandoahVerify
74 * -XX:TieredStopAtLevel=1
75 * TestClone
76 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
77 * -XX:+UseShenandoahGC
78 * -XX:+ShenandoahVerify
79 * -XX:TieredStopAtLevel=4
80 * TestClone
81 */
82
83 /*
84 * @test TestClone
85 * @summary Test clone barriers work correctly
86 * @key gc
87 * @requires vm.gc.Shenandoah & !vm.graal.enabled
88 *
89 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
90 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
91 * TestClone
92 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
93 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
94 * -Xint
95 * TestClone
96 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
97 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
98 * -XX:-TieredCompilation
99 * TestClone
100 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
101 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
102 * -XX:TieredStopAtLevel=1
103 * TestClone
104 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
105 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
106 * -XX:TieredStopAtLevel=4
107 * TestClone
108 */
109
110 /*
111 * @test TestClone
112 * @summary Test clone barriers work correctly
113 * @key gc
114 * @requires vm.gc.Shenandoah & !vm.graal.enabled & (vm.bits == "64")
115 *
116 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
117 * -XX:-UseCompressedOops
118 * -XX:+UseShenandoahGC
119 * TestClone
120 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
121 * -XX:-UseCompressedOops
122 * -XX:+UseShenandoahGC
123 * -Xint
124 * TestClone
125 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
126 * -XX:-UseCompressedOops
127 * -XX:+UseShenandoahGC
128 * -XX:-TieredCompilation
129 * TestClone
130 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
131 * -XX:-UseCompressedOops
132 * -XX:+UseShenandoahGC
133 * -XX:TieredStopAtLevel=1
134 * TestClone
135 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
136 * -XX:-UseCompressedOops
137 * -XX:+UseShenandoahGC
138 * -XX:TieredStopAtLevel=4
139 * TestClone
140 */
141
142 /*
143 * @test TestClone
144 * @summary Test clone barriers work correctly
145 * @key gc
146 * @requires vm.gc.Shenandoah & !vm.graal.enabled & (vm.bits == "64")
147 *
148 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
149 * -XX:-UseCompressedOops
150 * -XX:+UseShenandoahGC
151 * -XX:+ShenandoahVerify
152 * TestClone
153 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
154 * -XX:-UseCompressedOops
155 * -XX:+UseShenandoahGC
156 * -XX:+ShenandoahVerify
157 * -Xint
158 * TestClone
159 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
160 * -XX:-UseCompressedOops
161 * -XX:+UseShenandoahGC
162 * -XX:+ShenandoahVerify
163 * -XX:-TieredCompilation
164 * TestClone
165 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
166 * -XX:-UseCompressedOops
167 * -XX:+UseShenandoahGC
168 * -XX:+ShenandoahVerify
169 * -XX:TieredStopAtLevel=1
170 * TestClone
171 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
172 * -XX:-UseCompressedOops
173 * -XX:+UseShenandoahGC
174 * -XX:+ShenandoahVerify
175 * -XX:TieredStopAtLevel=4
176 * TestClone
177 */
178
179 /*
180 * @test TestClone
181 * @summary Test clone barriers work correctly
182 * @key gc
183 * @requires vm.gc.Shenandoah & !vm.graal.enabled & (vm.bits == "64")
184 *
185 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
186 * -XX:-UseCompressedOops
187 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
188 * TestClone
189 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
190 * -XX:-UseCompressedOops
191 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
192 * -Xint
193 * TestClone
194 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
195 * -XX:-UseCompressedOops
196 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
197 * -XX:-TieredCompilation
198 * TestClone
199 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
200 * -XX:-UseCompressedOops
201 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
202 * -XX:TieredStopAtLevel=1
203 * TestClone
204 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+UnlockExperimentalVMOptions -Xms1g -Xmx1g
205 * -XX:-UseCompressedOops
206 * -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive
207 * -XX:TieredStopAtLevel=4
208 * TestClone
209 */
210
211
212 public class TestClone {
213
214 public static void main(String[] args) throws Exception {
215 for (int i = 0; i < 10000; i++) {
216 Object[] src = new Object[i];
217 for (int c = 0; c < src.length; c++) {
218 src[c] = new Object();
219 }
220 testWith(src);
221 }
222 }
223
224 static void testWith(Object[] src) {
225 Object[] dst = src.clone();
226 int srcLen = src.length;
227 int dstLen = dst.length;
228 if (srcLen != dstLen) {
229 throw new IllegalStateException("Lengths do not match: " + srcLen + " vs " + dstLen);
230 }
231 for (int c = 0; c < src.length; c++) {
232 Object s = src[c];
233 Object d = dst[c];
234 if (s != d) {
235 throw new IllegalStateException("Elements do not match at " + c + ": " + s + " vs " + d);
236 }
237 }
238 }
239 }