libjava/testsuite/libjava.lang/pr83.java

   1 // PR 83
   2
   3 /*
   4  * test that caught null pointers exceptions in finalizers work correctly
   5  * and that local variables are accessible in null pointer exception handlers.
   6  */
   7 import java.io.*;
   8
   9 public class pr83 {
  10
  11     static String s;
  12
  13     public static void main(String[] args) {
  14         System.out.println(tryfinally() + s);
  15     }
  16
  17     public static String tryfinally() {
  18         String yuck = null;
  19         String local_s = null;
  20
  21         try {
  22             return "This is ";
  23         } finally {
  24             try {
  25                 local_s = "Perfect";
  26                 /* trigger null pointer exception */
  27                 String x = yuck.toLowerCase();
  28             } catch (Exception _) {
  29                 /*
  30                  * when the null pointer exception is caught, we must still
  31                  * be able to access local_s.
  32                  * Our return address for the finally clause must also still
  33                  * be intact.
  34                  */
  35                 s = local_s;
  36             }
  37         }
  38     }
  39 }