1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.io.comparator;
18  
19  import java.io.File;
20  import junit.framework.Test;
21  import junit.framework.TestSuite;
22  import junit.textui.TestRunner;
23  
24  /**
25   * Test case for {@link LastModifiedFileComparator}.
26   */
27  public class LastModifiedFileComparatorTest extends ComparatorAbstractTestCase {
28  
29      /**
30       * Run the test.
31       *
32       * @param args arguments
33       */
34      public static void main(String[] args) {
35          TestRunner.run(suite());
36      }
37  
38      /**
39       * Create a test suite.
40       *
41       * @return The test suite
42       */
43      public static Test suite() {
44          return new TestSuite(LastModifiedFileComparatorTest.class);
45      }
46  
47      /**
48       * Construct a new test case with the specified name.
49       *
50       * @param name Name of the test
51       */
52      public LastModifiedFileComparatorTest(String name) {
53          super(name);
54      }
55  
56      /** @see junit.framework.TestCase#setUp() */
57      protected void setUp() throws Exception {
58          super.setUp();
59          comparator = LastModifiedFileComparator.LASTMODIFIED_COMPARATOR;
60          reverse = LastModifiedFileComparator.LASTMODIFIED_REVERSE;
61          File dir = getTestDirectory();
62          File olderFile = new File(dir, "older.txt");
63          createFile(olderFile, 0);
64  
65          File newerFile = new File(dir, "newer.txt");
66          do {
67              try { 
68                  Thread.sleep(300);
69              } catch(InterruptedException ie) {
70                  // ignore
71              }
72              createFile(newerFile, 0);
73          } while( olderFile.lastModified() == newerFile.lastModified() );
74          equalFile1 = olderFile;
75          equalFile2 = olderFile;
76          lessFile   = olderFile;
77          moreFile   = newerFile;
78      }
79  
80  }