libjava/testsuite/libjava.lang/PR12350.java

   1 public class PR12350
   2 {
   3     static public void main (String[] ignored) throws Throwable
   4     {
   5         StringBuffer b = new StringBuffer ("Good string.  More than 16 chars.");
   6
   7         // Should cause sharing.
   8         String s = b.toString();
   9
  10         // Take a char by char unshared copy of s.
  11         String t = new String (s.toCharArray());
  12
  13         b.substring (0, 4);     // BUG: Clears shared flag.
  14         b.replace (0, 4, "Bad "); // Modifies shared data.
  15
  16         System.out.println (s);
  17         assert s.equals (t);
  18     }
  19
  20 }