1 /*
   2  * Copyright (c) 2013, 2014, 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  * @build com.oracle.java.testlibrary.*
  30  * @run main XShareAuto
  31  */
  32 
  33 import com.oracle.java.testlibrary.*;
  34 
  35 public class XShareAuto {
  36     public static void main(String[] args) throws Exception {
  37         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  38             "-server", "-XX:+UnlockDiagnosticVMOptions",
  39             "-XX:SharedArchiveFile=./sample.jsa", "-Xshare:dump");
  40         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  41         output.shouldContain("Loading classes to share");
  42         output.shouldHaveExitValue(0);
  43 
  44         pb = ProcessTools.createJavaProcessBuilder(
  45             "-server", "-XX:+UnlockDiagnosticVMOptions",
  46             "-XX:SharedArchiveFile=./sample.jsa", "-version");
  47         output = new OutputAnalyzer(pb.start());
  48         // We asked for server but it could be aliased to something else
  49         if (output.getOutput().contains("Server VM")) {
  50             // In server case we don't expect to see sharing flag
  51             output.shouldNotContain("sharing");
  52             output.shouldHaveExitValue(0);
  53         }
  54         else {
  55             System.out.println("Skipping test - no Server VM available");
  56             return;
  57         }
  58 
  59         pb = ProcessTools.createJavaProcessBuilder(
  60             "-server", "-Xshare:auto", "-XX:+UnlockDiagnosticVMOptions",
  61             "-XX:SharedArchiveFile=./sample.jsa", "-XX:+PrintSharedSpaces", "-version");
  62         output = new OutputAnalyzer(pb.start());
  63         try {
  64             output.shouldContain("sharing");
  65         } catch (RuntimeException e) {
  66             // if sharing failed due to ASLR or similar reasons,
  67             // check whether sharing was attempted at all (UseSharedSpaces)
  68             output.shouldContain("UseSharedSpaces:");
  69         }
  70         output.shouldHaveExitValue(0);
  71     }
  72 }