1 /*
   2  * Copyright 2002 Sun Microsystems, Inc.  All Rights Reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  20  * CA 95054 USA or visit www.sun.com if you need additional information or
  21  * have any questions.
  22  */
  23 
  24 /*
  25  * @test
  26  * @bug 4654323
  27  * @summary Tests functionality of isProbablePrime(Integer.MAX_VALUE)
  28  */
  29 import java.math.*;
  30 
  31 public class ProbablePrime {
  32     public static void main(String [] argv) {
  33                 BigInteger num = new BigInteger("4");
  34                 int certainties[] = {-1, 0, 1, 2, 100, Integer.MAX_VALUE-1,
  35                                      Integer.MAX_VALUE};
  36                 boolean expectations[] = {true, true, false, false, false,
  37                                           false, false};
  38 
  39                 for(int i = 0; i < certainties.length; i++) {
  40                     boolean b;
  41                     if((b=num.isProbablePrime(certainties[i])) !=
  42                        expectations[i])
  43                        throw new RuntimeException("Unexpected answer " + b +
  44                                                   " for certainty " +
  45                                                   certainties[i]);
  46                 }
  47     }
  48 }