jdk
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1/*
2* Copyright (c) 2014, 2023, 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,
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18*
19* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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21* questions.
22*/
23
24/*
25* Test to verify GetObjectSize does not overflow on a 600M element int[]
26*
27* @test
28* @bug 8027230
29* @library /test/lib
30* @modules java.base/jdk.internal.misc
31* java.compiler
32* java.instrument
33* java.management
34* jdk.internal.jvmstat/sun.jvmstat.monitor
35* @requires vm.bits == 64
36* @requires vm.jvmti
37* @requires os.maxMemory > 6G
38* @build GetObjectSizeOverflowAgent
39* @run driver jdk.test.lib.helpers.ClassFileInstaller GetObjectSizeOverflowAgent
40* @run driver GetObjectSizeOverflow
41*/
42
43import java.io.PrintWriter;
44
45import jdk.test.lib.JDKToolFinder;
46import jdk.test.lib.process.OutputAnalyzer;
47import jdk.test.lib.process.ProcessTools;
48
49public class GetObjectSizeOverflow {
50public static void main(String[] args) throws Exception {
51
52try (var pw = new PrintWriter("MANIFEST.MF")) {
53pw.println("Premain-Class: GetObjectSizeOverflowAgent");
54}
55
56var jar = new ProcessBuilder(JDKToolFinder.getJDKTool("jar"), "cmf", "MANIFEST.MF", "agent.jar", "GetObjectSizeOverflowAgent.class");
57new OutputAnalyzer(jar.start()).shouldHaveExitValue(0);
58
59ProcessBuilder pt = ProcessTools.createTestJavaProcessBuilder("-Xmx4000m", "-javaagent:agent.jar", "GetObjectSizeOverflowAgent");
60OutputAnalyzer output = new OutputAnalyzer(pt.start());
61output.stdoutShouldContain("GetObjectSizeOverflow passed");
62output.shouldHaveExitValue(0);
63}
64}
65