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.JDKToolFinder; 25 import jdk.test.lib.Platform; 26 import jdk.test.lib.process.OutputAnalyzer; 27 import jdk.test.lib.process.ProcessTools; 28 29 /* 30 * Test to verify GetObjectSize does not overflow on a 600M element int[] 31 * 32 * @test 33 * @bug 8027230 34 * @library /test/lib 35 * @modules java.base/jdk.internal.misc 36 * java.compiler 37 * java.instrument 38 * java.management 39 * jdk.jvmstat/sun.jvmstat.monitor 40 * @build GetObjectSizeOverflowAgent 41 * @run main ClassFileInstaller GetObjectSizeOverflowAgent 42 * @run main GetObjectSizeOverflow 43 */ 44 public class GetObjectSizeOverflow { 45 public static void main(String[] args) throws Exception { 46 47 if (!Platform.is64bit()) { 48 System.out.println("Test needs a 4GB heap and can only be run as a 64bit process, skipping."); 49 return; 50 } 51 52 PrintWriter pw = new PrintWriter("MANIFEST.MF"); 53 pw.println("Premain-Class: GetObjectSizeOverflowAgent"); 54 pw.close(); 55 56 ProcessBuilder pb = new ProcessBuilder(); 57 pb.command(new String[] { JDKToolFinder.getJDKTool("jar"), "cmf", "MANIFEST.MF", "agent.jar", "GetObjectSizeOverflowAgent.class"}); 58 pb.start().waitFor(); 59 60 ProcessBuilder pt = ProcessTools.createJavaProcessBuilder(true, "-Xmx4000m", "-javaagent:agent.jar", "GetObjectSizeOverflowAgent"); 61 OutputAnalyzer output = new OutputAnalyzer(pt.start()); 62 63 if (output.getStdout().contains("Could not reserve enough space") || output.getStderr().contains("java.lang.OutOfMemoryError")) { 64 System.out.println("stdout: " + output.getStdout()); 65 System.out.println("stderr: " + output.getStderr()); 66 System.out.println("Test could not reserve or allocate enough space, skipping"); 67 return; 68 } 69 70 output.stdoutShouldContain("GetObjectSizeOverflow passed"); 71 } 72 }