• file
• revisions
• annotate
• diff
• comparison
• raw

test/serviceability/jvmti/GetObjectSizeOverflow.java@710a3c8b516e (annotated)

test/serviceability/jvmti/GetObjectSizeOverflow.java

Tue, 08 Aug 2017 15:57:29 +0800

author

aoqi

date

Tue, 08 Aug 2017 15:57:29 +0800

changeset 6876

710a3c8b516e

parent 6717

09f19d3de485

parent 0

f90c822e73f8

child 7994

04ff2f6cd0eb

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2014 Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*/
aoqi@0	23	import java.io.PrintWriter;
aoqi@0	24	import com.oracle.java.testlibrary.*;
aoqi@0	25
aoqi@0	26	/*
aoqi@0	27	* Test to verify GetObjectSize does not overflow on a 600M element int[]
aoqi@0	28	*
aoqi@0	29	* @test
aoqi@0	30	* @bug 8027230
aoqi@0	31	* @library /testlibrary
aoqi@0	32	* @build ClassFileInstaller com.oracle.java.testlibrary.* GetObjectSizeOverflowAgent
aoqi@0	33	* @run main ClassFileInstaller GetObjectSizeOverflowAgent
aoqi@0	34	* @run main GetObjectSizeOverflow
aoqi@0	35	*/
aoqi@0	36	public class GetObjectSizeOverflow {
aoqi@0	37	public static void main(String[] args) throws Exception {
aoqi@0	38
aoqi@0	39	if (!Platform.is64bit()) {
aoqi@0	40	System.out.println("Test needs a 4GB heap and can only be run as a 64bit process, skipping.");
aoqi@0	41	return;
aoqi@0	42	}
aoqi@0	43
aoqi@0	44	PrintWriter pw = new PrintWriter("MANIFEST.MF");
aoqi@0	45	pw.println("Premain-Class: GetObjectSizeOverflowAgent");
aoqi@0	46	pw.close();
aoqi@0	47
aoqi@0	48	ProcessBuilder pb = new ProcessBuilder();
aoqi@0	49	pb.command(new String[] { JDKToolFinder.getJDKTool("jar"), "cmf", "MANIFEST.MF", "agent.jar", "GetObjectSizeOverflowAgent.class"});
aoqi@0	50	pb.start().waitFor();
aoqi@0	51
aoqi@0	52	ProcessBuilder pt = ProcessTools.createJavaProcessBuilder(true, "-Xmx4000m", "-javaagent:agent.jar", "GetObjectSizeOverflowAgent");
aoqi@0	53	OutputAnalyzer output = new OutputAnalyzer(pt.start());
aoqi@0	54
aoqi@0	55	if (output.getStdout().contains("Could not reserve enough space") || output.getStderr().contains("java.lang.OutOfMemoryError")) {
aoqi@0	56	System.out.println("stdout: " + output.getStdout());
aoqi@0	57	System.out.println("stderr: " + output.getStderr());
aoqi@0	58	System.out.println("Test could not reserve or allocate enough space, skipping");
aoqi@0	59	return;
aoqi@0	60	}
aoqi@0	61
aoqi@0	62	output.stdoutShouldContain("GetObjectSizeOverflow passed");
aoqi@0	63	}
aoqi@0	64	}