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1   // Copyright (C) 2005 - 2009 Philip Aston
2   // All rights reserved.
3   //
4   // This file is part of The Grinder software distribution. Refer to
5   // the file LICENSE which is part of The Grinder distribution for
6   // licensing details. The Grinder distribution is available on the
7   // Internet at http://grinder.sourceforge.net/
8   //
9   // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
10  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
11  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
12  // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
13  // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
14  // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
15  // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
16  // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
17  // HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
18  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
19  // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
20  // OF THE POSSIBILITY OF SUCH DAMAGE.
21  
22  package net.grinder.util;
23  
24  import java.util.HashSet;
25  import java.util.Set;
26  
27  import junit.framework.TestCase;
28  
29  
30  /**
31   * Unit test case for {@link UniqueIdentityGenerator}.
32   *
33   * @author Philip Aston
34   */
35  public class TestUniqueIdentityGenerator extends TestCase {
36    public void testUniqueIdentityGenerator() {
37      final UniqueIdentityGenerator uniqueIdentityGenerator =
38        new UniqueIdentityGenerator();
39  
40      final Set<String> set = new HashSet<String>();
41  
42      final int numberOfIdentities = 100;
43  
44      for (int i = 0; i < numberOfIdentities; ++i) {
45        set.add(uniqueIdentityGenerator.createUniqueString("foo"));
46      }
47  
48      assertEquals(numberOfIdentities, set.size());
49    }
50  }