libjava/testsuite/libjava.loader/TestEarlyGC.java

   1 public class TestEarlyGC extends ClassLoader {
   2
   3   static TestEarlyGC[] a = new TestEarlyGC[10];
   4
   5   // Jeff Sturm writes:
   6   // Reconstructed from bytecode (and memory).  The singleton pattern
   7   // is used as a class finalizer.
   8   // public class C {
   9   //   private static C c;
  10   //   public C() {
  11   //     c = this;
  12   //   }
  13   //   protected void finalize() {
  14   //     System.out.println("finalized");
  15   //   }
  16   // }
  17   byte[] code = {
  18     -54,-2,-70,-66,0,3,0,45,0,32,1,0,1,67,7,0,
  19     1,1,0,16,106,97,118,97,47,108,97,110,103,47,79,98,
  20     106,101,99,116,7,0,3,1,0,1,99,1,0,3,76,67,
  21     59,1,0,6,60,105,110,105,116,62,1,0,3,40,41,86,
  22     1,0,4,67,111,100,101,12,0,7,0,8,10,0,4,0,
  23     10,12,0,5,0,6,9,0,2,0,12,1,0,15,76,105,
  24     110,101,78,117,109,98,101,114,84,97,98,108,101,1,0,8,
  25     102,105,110,97,108,105,122,101,1,0,16,106,97,118,97,47,
  26     108,97,110,103,47,83,121,115,116,101,109,7,0,16,1,0,
  27     3,111,117,116,1,0,21,76,106,97,118,97,47,105,111,47,
  28     80,114,105,110,116,83,116,114,101,97,109,59,12,0,18,0,
  29     19,9,0,17,0,20,1,0,9,102,105,110,97,108,105,122,
  30     101,100,8,0,22,1,0,19,106,97,118,97,47,105,111,47,
  31     80,114,105,110,116,83,116,114,101,97,109,7,0,24,1,0,
  32     7,112,114,105,110,116,108,110,1,0,21,40,76,106,97,118,
  33     97,47,108,97,110,103,47,83,116,114,105,110,103,59,41,86,
  34     12,0,26,0,27,10,0,25,0,28,1,0,10,83,111,117,
  35     114,99,101,70,105,108,101,1,0,6,67,46,106,97,118,97,
  36     0,33,0,2,0,4,0,0,0,1,0,10,0,5,0,6,
  37     0,0,0,2,0,1,0,7,0,8,0,1,0,9,0,0,
  38     0,33,0,1,0,1,0,0,0,9,42,-73,0,11,42,-77,
  39     0,13,-79,0,0,0,1,0,14,0,0,0,6,0,1,0,
  40     4,0,5,0,4,0,15,0,8,0,1,0,9,0,0,0,
  41     33,0,2,0,1,0,0,0,9,-78,0,21,18,23,-74,0,
  42     29,-79,0,0,0,1,0,14,0,0,0,6,0,1,0,0,
  43     0,9,0,1,0,30,0,0,0,2,0,31
  44   };
  45
  46   TestEarlyGC() throws Throwable {
  47     defineClass("C", code, 0, code.length).newInstance();
  48   }
  49
  50   public static void main(String[] args) {
  51     Runtime r = Runtime.getRuntime();
  52
  53     try {
  54       for (int n = 0; n < a.length; n++) {
  55         a[n] = new TestEarlyGC();
  56         r.gc();
  57         r.runFinalization();
  58         Thread.yield();
  59       }
  60     } catch (Throwable t) {
  61       t.printStackTrace();
  62     }
  63   }
  64 }