1 /*
   2  * Copyright (c) 2013, 2017, 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  * @requires vm.cds
  27  * @bug 8005933
  28  * @summary Test that -Xshare:auto uses CDS when explicitly specified with -server.
  29  * @library /test/lib
  30  * @modules java.base/jdk.internal.misc
  31  *          java.management
  32  * @run main XShareAuto
  33  */
  34 
  35 import jdk.test.lib.Platform;
  36 import jdk.test.lib.process.ProcessTools;
  37 import jdk.test.lib.process.OutputAnalyzer;
  38 
  39 public class XShareAuto {
  40     public static void main(String[] args) throws Exception {
  41         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  42             "-server", "-XX:+UnlockDiagnosticVMOptions",
  43             "-XX:SharedArchiveFile=./XShareAuto.jsa", "-Xshare:dump");
  44         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  45         output.shouldContain("Loading classes to share");
  46         output.shouldHaveExitValue(0);
  47 









  48         pb = ProcessTools.createJavaProcessBuilder(
  49             "-server", "-XX:+UnlockDiagnosticVMOptions",
  50             "-XX:SharedArchiveFile=./XShareAuto.jsa", "-version");



  51         output = new OutputAnalyzer(pb.start());
  52         String outputString = output.getOutput();
  53         // We asked for server but it could be aliased to something else
  54         if (outputString.contains("Server VM") && !outputString.contains("emulated-client")) {
  55             // In server case we don't expect to see sharing flag
  56             output.shouldNotContain("sharing");
  57             output.shouldHaveExitValue(0);
  58         }
  59         else {
  60             System.out.println("Skipping test - no Server VM available");
  61             return;
  62         }
  63 
  64         pb = ProcessTools.createJavaProcessBuilder(
  65             "-server", "-Xshare:auto", "-XX:+UnlockDiagnosticVMOptions",
  66             "-XX:SharedArchiveFile=./XShareAuto.jsa", "-Xlog:cds", "-version");
  67         output = new OutputAnalyzer(pb.start());
  68         try {
  69             output.shouldContain("sharing");
  70         } catch (RuntimeException e) {
  71             // if sharing failed due to ASLR or similar reasons,
  72             // check whether sharing was attempted at all (UseSharedSpaces)
  73             output.shouldContain("UseSharedSpaces:");
  74             output.shouldNotContain("Unable to map %s");
  75         }
  76         output.shouldHaveExitValue(0);

  77     }
  78 }
--- EOF ---