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  */
  29 
  30 import java.util.Random;
  31 
  32 public class ToString {
  33 
  34     private static Random generator = new Random();
  35 
  36     public static void main(String args[]) throws Exception {
  37         // boolean wrapper
  38         boolean b = false;
  39         Boolean B = new Boolean(b);
  40         if (!B.toString().equals(Boolean.toString(b)))
  41             throw new RuntimeException("Boolean wrapper toString() failure.");
  42         b = true;
  43         B = new Boolean(b);
  44         if (!B.toString().equals(Boolean.toString(b)))
  45             throw new RuntimeException("Boolean wrapper toString() failure.");
  46 
  47         // char wrapper
  48         for(int x=0; x<100; x++) {
  49             char c = (char)generator.nextInt();
  50             Character C = new Character(c);
  51             if (!C.toString().equals(Character.toString(c)))
  52                 throw new RuntimeException("Character wrapper toString() failure.");
  53         }
  54 
  55         // byte wrapper
  56         for(int x=0; x<100; x++) {
  57             byte y = (byte)generator.nextInt();
  58             Byte Y = new Byte(y);
  59             if (!Y.toString().equals(Byte.toString(y)))
  60                 throw new RuntimeException("Byte wrapper toString() failure.");
  61         }
  62 
  63         // short wrapper
  64         for(int x=0; x<100; x++) {
  65             short s = (short)generator.nextInt();
  66             Short S = new Short(s);
  67             if (!S.toString().equals(Short.toString(s)))
  68                 throw new RuntimeException("Short wrapper toString() failure.");
  69         }
  70 
  71         // int wrapper
  72         for(int x=0; x<100; x++) {
  73             int i = generator.nextInt();
  74             Integer I = new Integer(i);
  75             if (!I.toString().equals(Integer.toString(i)))
  76                 throw new RuntimeException("Integer wrapper toString() failure.");
  77         }
  78 
  79         // long wrapper
  80         for(int x=0; x<100; x++) {
  81             long l = generator.nextLong();
  82             Long L = new Long(l);
  83             if (!L.toString().equals(Long.toString(l)))
  84                 throw new RuntimeException("Long wrapper toString() failure.");
  85         }
  86 
  87         // float wrapper
  88         for(int x=0; x<100; x++) {
  89             float f = generator.nextFloat();
  90             Float F = new Float(f);
  91             if (!F.toString().equals(Float.toString(f)))
  92                 throw new RuntimeException("Float wrapper toString() failure.");
  93         }
  94 
  95         // double wrapper
  96         for(int x=0; x<100; x++) {
  97             double d = generator.nextDouble();
  98             Double D = new Double(d);
  99             if (!D.toString().equals(Double.toString(d)))
 100                 throw new RuntimeException("Double wrapper toString() failure.");
 101         }
 102 
 103     }
 104 }
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