1 /*
 2  * Copyright (c) 2015, 2021, Oracle and/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
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22  */
23 
24 /**
25  * @test
26  * @requires vm.cds
27  * @requires vm.flagless
28  * @bug 8067187 8200078
29  * @summary Testing CDS dumping with the -XX:MaxMetaspaceSize=<size> option
30  * @library /test/lib
31  * @modules java.base/jdk.internal.misc
32  *          java.management
33  * @run driver MaxMetaspaceSize
34  */
35 
36 import java.util.ArrayList;
37 
38 import jdk.test.lib.cds.CDSTestUtils;
39 import jdk.test.lib.process.ProcessTools;
40 import jdk.test.lib.Platform;
41 
42 public class MaxMetaspaceSize {
43   public static void main(String[] args) throws Exception {
44     ArrayList<String> processArgs = new ArrayList<>();
45     processArgs.add("-Xshare:dump");
46 
47     if (Platform.is64bit()) {
48       processArgs.add("-XX:MaxMetaspaceSize=3m");
49       processArgs.add("-XX:CompressedClassSpaceSize=1m");
50     } else {
51       processArgs.add("-XX:MaxMetaspaceSize=1m");
52     }
53 
54     String msg = "OutOfMemoryError: Metaspace";
55     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(processArgs);
56     CDSTestUtils.executeAndLog(pb, "dump").shouldContain(msg).shouldHaveExitValue(1);
57   }
58 }