1   /*
2    * Copyright 2001-2004 The Apache Software Foundation.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.portletbridge.portlet;
17  
18  import java.util.HashSet;
19  import java.util.Set;
20  
21  import junit.framework.TestCase;
22  
23  /***
24   * @author jmccrindle
25   */
26  public class GUIDGeneratorTest extends TestCase {
27      public void testGUIDGenerator() throws Exception {
28          GUIDGenerator generator = new GUIDGenerator();
29          Set set = new HashSet();
30          for(int i = 0; i < 1000; i++) {
31              String uuid = generator.getUUID();
32              if(set.contains(uuid)) {
33                  System.out.println("Collision at " + uuid);
34              }
35              set.add(uuid);
36          }
37      }
38  }