Filed By : JCK team
  JDK : java full version "1.5.0-b64"
  JCK : 1.5
  Failing Test [s] : None

Problem description:
  The following constructor in the class java.io.StringWriter
      public StringWriter(int initialSize)
  can throw IllegalArgumentException when initialSize is negative,
  but don't document it.

  Minimized test:
  -- Test.java --
  import java.io.StringWriter;

  public class Test {

      public static void main(String[] args) {
          StringWriter obj = new StringWriter(-1);
          System.out.println("PASSED");
      }

  }
  -- End of Test.java --

  Minimized test result:
  ---
  $java -showversion Test
  java version "1.5.0"
  Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
  Java HotSpot(TM) Client VM (build 1.5.0-b64, mixed mode)

  Exception in thread "main" java.lang.IllegalArgumentException: Negative buffer size
        at java.io.StringWriter.<init>(Unknown Source)
        at Test.main(Test.java:6)
  ---