1 /* 2 * Copyright (c) 2014, 2015, 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 21 * questions. 22 */ 23 import java.io.PrintWriter; 24 import jdk.test.lib.*; 25 26 /* 27 * Test to verify GetObjectSize does not overflow on a 600M element int[] 28 * 29 * @test 30 * @bug 8027230 31 * @library /testlibrary 32 * @modules java.base/sun.misc 33 * java.compiler 34 * java.instrument 35 * java.management 36 * jdk.jvmstat/sun.jvmstat.monitor 37 * @build ClassFileInstaller jdk.test.lib.* GetObjectSizeOverflowAgent 38 * @run main ClassFileInstaller GetObjectSizeOverflowAgent 39 * @run main GetObjectSizeOverflow 40 */ 41 public class GetObjectSizeOverflow { 42 public static void main(String[] args) throws Exception { 43 44 if (!Platform.is64bit()) { 45 System.out.println("Test needs a 4GB heap and can only be run as a 64bit process, skipping."); 46 return; 47 } 48 49 PrintWriter pw = new PrintWriter("MANIFEST.MF"); 50 pw.println("Premain-Class: GetObjectSizeOverflowAgent"); 51 pw.close(); 52 53 ProcessBuilder pb = new ProcessBuilder(); 54 pb.command(new String[] { JDKToolFinder.getJDKTool("jar"), "cmf", "MANIFEST.MF", "agent.jar", "GetObjectSizeOverflowAgent.class"}); 55 pb.start().waitFor(); 56 57 ProcessBuilder pt = ProcessTools.createJavaProcessBuilder(true, "-Xmx4000m", "-javaagent:agent.jar", "GetObjectSizeOverflowAgent"); 58 OutputAnalyzer output = new OutputAnalyzer(pt.start()); 59 60 if (output.getStdout().contains("Could not reserve enough space") || output.getStderr().contains("java.lang.OutOfMemoryError")) { 61 System.out.println("stdout: " + output.getStdout()); 62 System.out.println("stderr: " + output.getStderr()); 63 System.out.println("Test could not reserve or allocate enough space, skipping"); 64 return; 65 } 66 67 output.stdoutShouldContain("GetObjectSizeOverflow passed"); 68 } 69 }