public final void testSetSeedbyteArray01(){
  try {
    sr.setSeed(null);
    fail("setSeed(null) :: No NullPointerException");
  }
 catch (  NullPointerException e) {
  }
}

public final void testSetSeedbyteArray01 ( ) { try { sr . setSeed ( null ) ; fail ( "setSeed(null) :: No NullPointerException" ) ; } catch ( NullPointerException e ) { } }
test against the " void setseed ( byte [ ] ) " method ; it checks out that the method throws npe if argument supplied is null
