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 /*  stress testing
  25  Redthreads keep removing new nodes from a binary sort tree(
  26  all nodes of its left subtree is less than itself, all nodes
  27  of its right subtree is large than itself).
  28  Bluethreads keep adding nodes into the binary sort tree.
  29  YellowThreads search the binary sort tree.
  30  The nodes removed from the tree will become garbages immediately
  31  Create 10 Redthreads and 10 Bluethreads to manipulate the
  32  the same binary tree involving excessive memory allocation
  33  to test if memory management module and gc() crash.
  34  */
  35 
  36 
  37 /*
  38  * @test
  39  * @key gc
  40  *
  41  * @summary converted from VM Testbase gc/gctests/gctest03.
  42  * VM Testbase keywords: [gc]
  43  *
  44  * @library /vmTestbase
  45  *          /test/lib
  46  * @run driver jdk.test.lib.FileInstaller . .
  47  * @compile Tree.java appthread.java
  48  * @run main/othervm gc.gctests.gctest03.gctest03 10000
  49  */
  50 
  51 package gc.gctests.gctest03;
  52 
  53 import nsk.share.test.*;
  54 import nsk.share.gc.*;
  55 import nsk.share.TestFailure;
  56 import nsk.share.TestBug;
  57 
  58 //import Tree;
  59 //import Redthread;

  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 /*  stress testing
  25  Redthreads keep removing new nodes from a binary sort tree(
  26  all nodes of its left subtree is less than itself, all nodes
  27  of its right subtree is large than itself).
  28  Bluethreads keep adding nodes into the binary sort tree.
  29  YellowThreads search the binary sort tree.
  30  The nodes removed from the tree will become garbages immediately
  31  Create 10 Redthreads and 10 Bluethreads to manipulate the
  32  the same binary tree involving excessive memory allocation
  33  to test if memory management module and gc() crash.
  34  */
  35 
  36 
  37 /*
  38  * @test
  39  * @key gc randomness
  40  *
  41  * @summary converted from VM Testbase gc/gctests/gctest03.
  42  * VM Testbase keywords: [gc]
  43  *
  44  * @library /vmTestbase
  45  *          /test/lib
  46  * @run driver jdk.test.lib.FileInstaller . .
  47  * @compile Tree.java appthread.java
  48  * @run main/othervm gc.gctests.gctest03.gctest03 10000
  49  */
  50 
  51 package gc.gctests.gctest03;
  52 
  53 import nsk.share.test.*;
  54 import nsk.share.gc.*;
  55 import nsk.share.TestFailure;
  56 import nsk.share.TestBug;
  57 
  58 //import Tree;
  59 //import Redthread;