public void testRadix16Neg(){
  String value="-287628a883451b800865c67e8d7ff20";
  int radix=16;
  BigInteger aNumber=new BigInteger(value,radix);
  String result=aNumber.toString(radix);
  assertTrue(result.equals(value));
}

public void testRadix16Neg ( ) { String value = "-287628a883451b800865c67e8d7ff20" ; int radix = 16 ; BigInteger aNumber = new BigInteger ( value , radix ) ; String result = aNumber . toString ( radix ) ; assertTrue ( result . equals ( value ) ) ; }
test negative number of radix 16
