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.vfs.cache;
18
19 import org.apache.commons.vfs.FileObject;
20 import org.apache.commons.vfs.test.AbstractProviderTestCase;
21
22 /***
23 * NullFilesCache
24 *
25 * @author <a href="mailto:imario@apache.org">Mario Ivankovits</a>
26 * @version $Revision: 480428 $ $Date: 2006-11-29 07:15:24 +0100 (Mi, 29 Nov 2006) $
27 */
28 public class LRUFilesCacheTests extends AbstractProviderTestCase
29 {
30 public void testFilesCache() throws Exception
31 {
32 FileObject scratchFolder = getWriteFolder();
33
34 // releaseable
35 FileObject dir1 = scratchFolder.resolveFile("dir1");
36
37 // avoid cache removal
38 FileObject dir2 = scratchFolder.resolveFile("dir2");
39 dir2.getContent();
40
41 // releaseable
42 FileObject dir3 = scratchFolder.resolveFile("dir3");
43
44 // releaseable
45 FileObject dir4 = scratchFolder.resolveFile("dir4");
46
47 // releaseable
48 FileObject dir5 = scratchFolder.resolveFile("dir5");
49
50 // releaseable
51 FileObject dir6 = scratchFolder.resolveFile("dir6");
52
53 // releaseable
54 FileObject dir7 = scratchFolder.resolveFile("dir7");
55
56 // releaseable
57 FileObject dir8 = scratchFolder.resolveFile("dir8");
58
59 // check if the cache still holds the right instance
60 FileObject dir2_2 = scratchFolder.resolveFile("dir2");
61 assertTrue(dir2 == dir2_2);
62
63 // check if the cache still holds the right instance
64 FileObject dir1_2 = scratchFolder.resolveFile("dir1");
65 assertFalse(dir1 == dir1_2);
66 }
67 }