java.io.ObjectInputStream int available()

jdk1.4 build46 returned value is not ok.

jdk1.4 build44 returned value is ok.

Test Program :
-------------------------------------

import java.io.*;
import java.util.*;


public class AvailableTest {
    
    public static void main(String[] args) throws Exception {
       
  
       try {
           ObjectOutputStream wfile = null;
           ObjectInputStream rfile = null;
           FileOutputStream wstream = new FileOutputStream("AvailableTest.ser");
FileInputStream rstream = new FileInputStream("AvailableTest.ser");
wfile = new ObjectOutputStream(wstream);
           rfile = new ObjectInputStream(rstream);
           //write total 7 bytes
           wfile.writeByte(100);
           wfile.writeShort(1000);
           wfile.writeInt(2000);
           wfile.close();
           //read available bytes
           int primDataavailable = rfile.available();
           System.out.println("primDataavailable = " + primDataavailable);
           if (primDataavailable != 7) {
              throw new Exception("available bytes 'primDataavailable != 7' is not ok in AvailableTest");
           }
           rfile.close();
System.out.println ("AvailableTest Pass");
           //delete the test file AvailableTest.ser
           File f = new File("AvailableTest.ser");
           if (f.exists()) {
              f.delete();
           }
       } catch (Exception e) {
   System.out.println ("Exception thrown in AvailableTest Fail " + e);
       e.printStackTrace();
       }
    }
    
}

--------------------------------------output result on jdk1.4 build46-------
 
H:\merlinTest\bugsFiled\Available>java -version
java version "1.4.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0-beta-b46)
Java HotSpot(TM) Client VM (build B45, mixed mode)

H:\merlinTest\bugsFiled\Available>java AvailableTest
primDataavailable = 0
Exception thrown in AvailableTest Fail java.lang.Exception: available bytes 'primDataavailable != 7' is not ok in AvailableTest
java.lang.Exception: available bytes 'primDataavailable != 7' is not ok in AvailableTest
        at AvailableTest.main(AvailableTest.java:27)


--------------------------------------output result on jdk1.4 build44----------
H:\merlinTest\bugsFiled\Available>n:\beta\b44\binaries\win\bin\java -version
java version "1.4.0beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.0beta-b44)
Java HotSpot(TM) Client VM (build B44, mixed mode)

H:\merlinTest\bugsFiled\Available>n:\beta\b44\binaries\win\bin\java AvailableTest
primDataavailable = 7
AvailableTest Pass