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Java > Open Source Codes > common > Assert


1 /*********************************************************************
2 *
3 * Copyright (C) 2001 Andrew Khan
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 ***************************************************************************/
19
20 package common;
21
22 /**
23  * Simple assertion mechanism for use during development
24  */
25 public final class Assert
26 {
27   /**
28    * Throws an AssertionFailed exception if the specified condition is
29    * false
30    *
31    * @param condition The assertion condition which must be true
32    */
33   public static void verify(boolean condition)
34   {
35     if (!condition)
36     {
37       throw new AssertionFailed();
38     }
39   }
40
41   /**
42    * If the condition evaluates to false, an AssertionFailed is thrown
43    *
44    * @param message A message thrown with the failed assertion
45    * @param condition If this evaluates to false, an AssertionFailed is thrown
46    */
47   public static void verify(boolean condition, String JavaDoc message)
48   {
49     if (!condition)
50     {
51       throw new AssertionFailed(message);
52     }
53   }
54 }
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