1 /*
   2  * Copyright (c) 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
  26  * @bug 8169703
  27  * @summary Verifies that dumping and loading a CDS archive succeeds with AlwaysPreTouch
  28  * @requires vm.gc.G1
  29  * @key gc
  30  * @key regression
  31  * @library /test/lib
  32  */
  33 
  34 import jdk.test.lib.Platform;
  35 import jdk.test.lib.process.ProcessTools;
  36 import jdk.test.lib.process.OutputAnalyzer;
  37 
  38 public class TestSharedArchiveWithPreTouch {
  39   public static void main(String[] args) throws Exception {
  40     ProcessBuilder pb;
  41     pb = ProcessTools.createJavaProcessBuilder(
  42       Platform.is64bit() ? "-XX:+UseCompressedClassPointers" : "",
  43       Platform.is64bit() ? "-XX:+UseCompressedOops" : "",
  44       "-XX:+UseG1GC", "-XX:+AlwaysPreTouch",
  45       "-XX:SharedArchiveFile=./CDSCompressedKPtrs.jsa", "-Xshare:dump");
  46     OutputAnalyzer output = new OutputAnalyzer(pb.start());
  47     try {
  48       output.shouldContain("Loading classes to share");
  49       output.shouldHaveExitValue(0);
  50 
  51       pb = ProcessTools.createJavaProcessBuilder(
  52       Platform.is64bit() ? "-XX:+UseCompressedClassPointers" : "",
  53       Platform.is64bit() ? "-XX:+UseCompressedOops" : "",
  54         "-XX:+UseG1GC", "-XX:+AlwaysPreTouch",
  55         "-XX:SharedArchiveFile=./CDSCompressedKPtrs.jsa", "-Xshare:on", "-version");
  56       output = new OutputAnalyzer(pb.start());
  57       output.shouldContain("sharing");
  58       output.shouldHaveExitValue(0);
  59     } catch (RuntimeException e) {
  60       // Report 'passed' if CDS was turned off.
  61       output.shouldContain("Unable to use shared archive");
  62       output.shouldHaveExitValue(1);
  63     }
  64   }
  65 }