extensions/java/xpcom/tests/TestVersionComparator.java

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
   6  * the License. You may obtain a copy of the License at
   7  * http://www.mozilla.org/MPL/
   8  *
   9  * Software distributed under the License is distributed on an "AS IS" basis,
  10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11  * for the specific language governing rights and limitations under the
  12  * License.
  13  *
  14  * The Original Code is Java XPCOM Bindings.
  15  *
  16  * The Initial Developer of the Original Code is
  17  * IBM Corporation.
  18  * Portions created by the Initial Developer are Copyright (C) 2005
  19  * IBM Corporation. All Rights Reserved.
  20  *
  21  * Contributor(s):
  22  *   Javier Pedemonte (jhpedemonte@gmail.com)
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either the GNU General Public License Version 2 or later (the "GPL"), or
  26  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  27  * in which case the provisions of the GPL or the LGPL are applicable instead
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  33  * the provisions above, a recipient may use your version of this file under
  34  * the terms of any one of the MPL, the GPL or the LGPL.
  35  *
  36  * ***** END LICENSE BLOCK ***** */
  37
  38 import org.mozilla.xpcom.VersionComparator;
  39
  40 public class TestVersionComparator {
  41
  42   public static void main(String[] args) {
  43     String[] comparisons = {
  44         "0.9",
  45         "0.9.1",
  46         "1.0pre1",
  47         "1.0pre2",
  48         "1.0",
  49         "1.1pre",
  50         "1.1pre1a",
  51         "1.1pre1",
  52         "1.1pre10a",
  53         "1.1pre10",
  54         "1.1",
  55         "1.1.0.1",
  56         "1.1.1",
  57         "1.1.*",
  58         "1.*",
  59         "2.0",
  60         "2.1",
  61         "3.0.-1",
  62         "3.0"
  63     };
  64
  65     String[] equality = {
  66         "1.1pre",
  67         "1.1pre0",
  68         "1.0+"
  69     };
  70
  71     VersionComparator comp = new VersionComparator();
  72
  73     // test comparisons in both directions
  74     for (int i = 0; i < comparisons.length - 1; i++) {
  75       int res = comp.compare(comparisons[i], comparisons[i + 1]);
  76       _assert(res < 0);
  77
  78       res = comp.compare(comparisons[i + 1], comparisons[i]);
  79       _assert(res > 0);
  80     }
  81
  82     // test equality in both directions
  83     for (int i = 0; i < equality.length - 1; i++) {
  84       int res = comp.compare(equality[i], equality[i + 1]);
  85       _assert(res == 0);
  86
  87       res = comp.compare(equality[i + 1], equality[i]);
  88       _assert(res == 0);
  89     }
  90
  91     System.out.println("-- passed");
  92   }
  93
  94   private static void _assert(boolean expression) {
  95     if (!expression) {
  96       Throwable t = new Throwable();
  97       t.printStackTrace();
  98       System.exit(1);
  99     }
 100   }
 101 }
 102