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test/com/sun/jdi/BreakpointTest.java

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rev 16922 : 8177507: line number sensitive tests for jdi should be unified
Reviewed-by: duke


   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 6496524

  27  *  @summary Setting breakpoint in jdb crashes Hotspot JVM
  28  *
  29  *  @author jjh
  30  *
  31  *  @key intermittent
  32  *  @modules jdk.jdi
  33  *  @run build TestScaffold VMConnection TargetListener TargetAdapter
  34  *  @run compile -g BreakpointTest.java
  35  *  @run driver BreakpointTest
  36  */

  37 import com.sun.jdi.*;
  38 import com.sun.jdi.event.*;
  39 import com.sun.jdi.request.*;
  40 
  41 import java.util.*;
  42 
  43 // The debuggee just runs in a loop. The debugger
  44 // sets a bkpt on the Math.random call.  When the
  45 // bkpt is hit, the debugger disables it, resumes
  46 // the debuggee, waits a bit, and enables the bkpt again.
  47 
  48 class BreakpointTarg {
  49     public final static int BKPT_LINE = 56;
  50             // LINE NUMBER SENSITIVE
  51 
  52     public static long count;
  53     static void doit() {
  54         Object[] roots = new Object[200000];
  55         while (true) {
  56             int index = (int) (Math.random() * roots.length); // BKPT_LINE
  57             // This println makes the test pass
  58             //System.out.println("Debuggee: index = " + index);
  59             roots[index] = new Object();   // bkpt here passes
  60                                            // and null instead of new Object()
  61                                            // passes
  62             count++;
  63         }
  64     }
  65 
  66     public static void main(String[] args) {
  67         doit();
  68     }
  69 }
  70 




   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 //    THIS TEST IS LINE NUMBER SENSITIVE
  25 
  26 /**
  27  * @test
  28  * @bug 6496524
  29  * @key intermittent
  30  * @summary Setting breakpoint in jdb crashes Hotspot JVM

  31  * @author jjh
  32  *


  33  * @run build TestScaffold VMConnection TargetListener TargetAdapter
  34  * @run compile -g BreakpointTest.java
  35  * @run driver BreakpointTest
  36  */
  37 
  38 import com.sun.jdi.*;
  39 import com.sun.jdi.event.*;
  40 import com.sun.jdi.request.*;
  41 
  42 import java.util.*;
  43 
  44 // The debuggee just runs in a loop. The debugger
  45 // sets a bkpt on the Math.random call.  When the
  46 // bkpt is hit, the debugger disables it, resumes
  47 // the debuggee, waits a bit, and enables the bkpt again.
  48 
  49 class BreakpointTarg {
  50     public final static int BKPT_LINE = 56;

  51 
  52     public static long count;
  53     static void doit() {
  54         Object[] roots = new Object[200000];
  55         while (true) {
  56             int index = (int) (Math.random() * roots.length); // BKPT_LINE
  57             // This println makes the test pass
  58             //System.out.println("Debuggee: index = " + index);
  59             roots[index] = new Object();   // bkpt here passes
  60                                            // and null instead of new Object()
  61                                            // passes
  62             count++;
  63         }
  64     }
  65 
  66     public static void main(String[] args) {
  67         doit();
  68     }
  69 }
  70 


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