1 /*
   2  * Copyright (c) 2009, 2010, 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 /**
  26  * @test
  27  * @bug 6857159
  28  * @summary local schedule failed with checkcast of Thread.currentThread()
  29  *
  30  * @run shell Test6857159.sh
  31  */
  32 
  33 public class Test6857159 extends Thread {
  34     static class ct0 extends Test6857159 {
  35         public void message() {
  36             // System.out.println("message");





  37         }





  38 
  39         public void run() {
  40              message();
  41              ct0 ct = (ct0) Thread.currentThread();
  42              ct.message();
  43         }
  44     }
  45     static class ct1 extends ct0 {
  46         public void message() {
  47             // System.out.println("message");
  48         }
  49     }
  50     static class ct2 extends ct0 {
  51         public void message() {
  52             // System.out.println("message");
  53         }
  54     }
  55 
  56     public static void main(String[] args) throws Exception {
  57         for (int i = 0; i < 20000; i++) {
  58             Thread t = null;
  59             switch (i % 3) {
  60               case 0: t = new ct0(); break;
  61               case 1: t = new ct1(); break;
  62               case 2: t = new ct2(); break;
  63             }
  64             t.start();
  65             t.join();
  66         }
  67     }
  68 }

   1 /*
   2  * Copyright (c) 2009, 2015, 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 /**
  26  * @test
  27  * @bug 6857159
  28  * @summary local schedule failed with checkcast of Thread.currentThread()
  29  * @library /testlibrary

  30  */
  31 
  32 import com.oracle.java.testlibrary.*;
  33 
  34 public class Test6857159 {
  35         public static void main(String[] args) throws Exception {
  36         ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xbatch", "-XX:+PrintCompilation",
  37                                                                           "-XX:CompileOnly=Test$ct.run", "Test");
  38         OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
  39         analyzer.shouldNotContain("COMPILE SKIPPED");
  40         analyzer.shouldContain("Test$ct0::run (16 bytes)");
  41         }       
  42 }
  43 
  44 class Test extends Thread {
  45     static class ct0 extends Test {
  46         public void message() { }
  47 
  48         public void run() {
  49              message();
  50              ct0 ct = (ct0) Thread.currentThread();
  51              ct.message();
  52         }
  53     }
  54     static class ct1 extends ct0 {
  55         public void message() { }


  56     }
  57     static class ct2 extends ct0 {
  58         public void message() { }


  59     }
  60 
  61     public static void main(String[] args) throws Exception {
  62         for (int i = 0; i < 20000; i++) {
  63             Thread t = null;
  64             switch (i % 3) {
  65               case 0: t = new ct0(); break;
  66               case 1: t = new ct1(); break;
  67               case 2: t = new ct2(); break;
  68             }
  69             t.start();
  70             t.join();
  71         }
  72     }
  73 }