1 /*
   2  * Copyright (c) 2015, 2018, 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
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  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
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  23 
  24 /*
  25  * @test
  26  * @bug 8139564 8203960
  27  * @summary defaultmethods=debug should have logging from each of the statements in the code
  28  * @library /test/lib
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  * @run driver DefaultMethodsTest
  32  */
  33 
  34 import jdk.test.lib.process.OutputAnalyzer;
  35 import jdk.test.lib.process.ProcessTools;
  36 
  37 public class DefaultMethodsTest {
  38     public static void main(String[] args) throws Exception {
  39         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:defaultmethods=debug",
  40                                                                   "--add-modules", "jdk.hotspot.agent",
  41                                                                   InnerClass.class.getName());
  42         OutputAnalyzer output = new OutputAnalyzer(pb.start());
  43         output.shouldContain("Slots that need filling:");
  44         output.shouldContain("requires default method processing");
  45         output.shouldContain("Looking for default methods for slot ");
  46         output.shouldContain("Creating defaults and overpasses...");
  47         output.shouldContain("for slot: ");
  48         output.shouldContain("Default method processing complete");
  49         output.shouldContain("overpass methods");
  50         output.shouldContain("default methods");
  51         output.shouldHaveExitValue(0);
  52     }
  53 
  54     public static class InnerClass {
  55         public static void main(String[] args) throws Exception {
  56             // Load a class from the jdk.hotspot.agent module. This would require
  57             // default method processing. If this test is run with CDS enabled
  58             // all system classes in the modules defined by default will be
  59             // in the CDS archive and loading classes from the archive will
  60             // bypass default method processing.
  61             Class cls = Class.forName("sun.jvm.hotspot.utilities.RBNode");
  62             System.out.println("Inner Class");
  63         }
  64     }
  65 }
  66