1 /* 2 * Copyright (c) 2000, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 4031762 27 * @summary Test the primitive wrappers static toString() 28 * @key randomness 29 */ 30 31 import java.util.Random; 32 33 public class ToString { 34 35 private static Random generator = new Random(); 36 37 public static void main(String args[]) throws Exception { 38 // boolean wrapper 39 boolean b = false; 40 Boolean B = new Boolean(b); 41 if (!B.toString().equals(Boolean.toString(b))) 42 throw new RuntimeException("Boolean wrapper toString() failure."); 43 b = true; 44 B = new Boolean(b); 45 if (!B.toString().equals(Boolean.toString(b))) 46 throw new RuntimeException("Boolean wrapper toString() failure."); 47 48 // char wrapper 49 for(int x=0; x<100; x++) { 50 char c = (char)generator.nextInt(); 51 Character C = new Character(c); 52 if (!C.toString().equals(Character.toString(c))) 53 throw new RuntimeException("Character wrapper toString() failure."); 54 } 55 56 // byte wrapper 57 for(int x=0; x<100; x++) { 58 byte y = (byte)generator.nextInt(); 59 Byte Y = new Byte(y); 60 if (!Y.toString().equals(Byte.toString(y))) 61 throw new RuntimeException("Byte wrapper toString() failure."); 62 } 63 64 // short wrapper 65 for(int x=0; x<100; x++) { 66 short s = (short)generator.nextInt(); 67 Short S = new Short(s); 68 if (!S.toString().equals(Short.toString(s))) 69 throw new RuntimeException("Short wrapper toString() failure."); 70 } 71 72 // int wrapper 73 for(int x=0; x<100; x++) { 74 int i = generator.nextInt(); 75 Integer I = new Integer(i); 76 if (!I.toString().equals(Integer.toString(i))) 77 throw new RuntimeException("Integer wrapper toString() failure."); 78 } 79 80 // long wrapper 81 for(int x=0; x<100; x++) { 82 long l = generator.nextLong(); 83 Long L = new Long(l); 84 if (!L.toString().equals(Long.toString(l))) 85 throw new RuntimeException("Long wrapper toString() failure."); 86 } 87 88 // float wrapper 89 for(int x=0; x<100; x++) { 90 float f = generator.nextFloat(); 91 Float F = new Float(f); 92 if (!F.toString().equals(Float.toString(f))) 93 throw new RuntimeException("Float wrapper toString() failure."); 94 } 95 96 // double wrapper 97 for(int x=0; x<100; x++) { 98 double d = generator.nextDouble(); 99 Double D = new Double(d); 100 if (!D.toString().equals(Double.toString(d))) 101 throw new RuntimeException("Double wrapper toString() failure."); 102 } 103 104 } 105 }