1 /*
   2  * Copyright (c) 2014, 2016, 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 
  24 /*
  25  * @test SharedBaseAddress
  26  * @summary Test variety of values for SharedBaseAddress, making sure
  27  *          VM handles normal values as well as edge values w/o a crash.
  28  * @library /testlibrary
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  * @run main SharedBaseAddress
  32  */
  33 
  34 import jdk.test.lib.*;
  35 
  36 public class SharedBaseAddress {
  37 
  38     // shared base address test table
  39     private static final String[] testTable = {
  40         "1g", "8g", "64g","512g", "4t",
  41         "32t", "128t", "0",
  42         "1", "64k", "64M"
  43     };
  44 
  45     public static void main(String[] args) throws Exception {
  46 
  47         for (String testEntry : testTable) {
  48             String filename = "SharedBaseAddress" + testEntry + ".jsa";
  49             System.out.println("sharedBaseAddress = " + testEntry);
  50 
  51             ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  52                "-XX:+UnlockDiagnosticVMOptions",
  53                "-XX:SharedArchiveFile=" + filename,
  54                "-XX:SharedBaseAddress=" + testEntry,
  55                "-Xshare:dump");
  56 
  57             OutputAnalyzer output = new OutputAnalyzer(pb.start());
  58 
  59             output.shouldContain("Loading classes to share");
  60 
  61             try {
  62                 pb = ProcessTools.createJavaProcessBuilder(
  63                     "-XX:+UnlockDiagnosticVMOptions",
  64                     "-XX:SharedArchiveFile=" + filename,
  65                     "-Xshare:on",
  66                     "-version");
  67                 output = new OutputAnalyzer(pb.start());
  68                 output.shouldContain("sharing");
  69                 output.shouldHaveExitValue(0);
  70             } catch (RuntimeException e) {
  71                 output.shouldContain("Unable to use shared archive");
  72                 output.shouldHaveExitValue(1);
  73             }
  74         }
  75     }
  76 }