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 }
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