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 }