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 LargeSharedSpace
  26  * @bug 8168790 8169870
  27  * @summary Test CDS dumping with specific space size.
  28  * The space size used in the test might not be suitable on windows.
  29  * @requires (os.family != "windows")
  30  * @library /test/lib
  31  * @modules java.base/jdk.internal.misc
  32  *          java.management
  33  * @run main LargeSharedSpace
  34  */
  35 
  36 import jdk.test.lib.process.ProcessTools;
  37 import jdk.test.lib.process.OutputAnalyzer;
  38 
  39 public class LargeSharedSpace {
  40     public static void main(String[] args) throws Exception {
  41        String sizes[] = {"1066924031", "1600386047"};
  42        String expectedOutputs[] = {"Loading classes to share",
  43                                    "larger than compressed klass limit"};
  44        for (int i = 0; i < sizes.length; i++) {
  45            ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
  46                 "-XX:SharedMiscCodeSize="+sizes[i], "-XX:+UnlockDiagnosticVMOptions",
  47                 "-XX:SharedArchiveFile=./LargeSharedSpace.jsa", "-Xshare:dump");
  48            OutputAnalyzer output = new OutputAnalyzer(pb.start());
  49            try {
  50                output.shouldContain(expectedOutputs[i]);
  51            } catch (RuntimeException e) {
  52                output.shouldContain("Unable to allocate memory for shared space");
  53            }
  54        }
  55     }
  56 }
--- EOF ---