1 /*
   2  * Copyright (c) 2013, 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
  26  * @bug 8005933
  27  * @summary Test that -Xshare:auto uses CDS when explicitly specified with -server.
  28  * @library /testlibrary
  29  * @run main XShareAuto
  30  */
  31 
  32 import com.oracle.java.testlibrary.*;
  33 
  34 public class XShareAuto {
  35     public static void main(String[] args) throws Exception {
  36         if (!Platform.is64bit()) {
  37             System.out.println("ObjectAlignmentInBytes for CDS is only " +
  38                 "supported on 64bit platforms; this plaform is " +
  39                 System.getProperty("sun.arch.data.model"));
  40             System.out.println("Skipping the test");
  41             return;
  42         }
  43         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  44             "-XX:+UnlockDiagnosticVMOptions", "-XX:SharedArchiveFile=./sample.jsa",
  45             "-Xshare:dump");
  46         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  47         output.shouldContain("Loading classes to share");
  48         output.shouldHaveExitValue(0);
  49 
  50         pb = ProcessTools.createJavaProcessBuilder(
  51             "-server", "-XX:+UnlockDiagnosticVMOptions",
  52             "-XX:SharedArchiveFile=./sample.jsa", "-version");
  53         output = new OutputAnalyzer(pb.start());
  54         output.shouldNotContain("sharing");
  55         output.shouldHaveExitValue(0);
  56 
  57         pb = ProcessTools.createJavaProcessBuilder(
  58             "-server", "-Xshare:auto", "-XX:+UnlockDiagnosticVMOptions",
  59             "-XX:SharedArchiveFile=./sample.jsa", "-version");
  60         output = new OutputAnalyzer(pb.start());
  61         try {
  62             output.shouldContain("sharing");
  63             output.shouldHaveExitValue(0);
  64         } catch (RuntimeException e) {
  65             // If this failed then check that it would also be unable
  66             // to share even if -Xshare:on is specified.  If so, then
  67             // return a success status.
  68             pb = ProcessTools.createJavaProcessBuilder(
  69                 "-server", "-Xshare:on", "-XX:+UnlockDiagnosticVMOptions",
  70                 "-XX:SharedArchiveFile=./sample.jsa", "-version");
  71             output = new OutputAnalyzer(pb.start());
  72             output.shouldContain("Could not allocate metaspace at a compatible address");
  73             output.shouldHaveExitValue(1);
  74         }
  75     }
  76 }