blob: 27dfa5a6cd16b281efc070871a199065ae35d839 [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.vfs2.cache;
import java.util.Objects;
import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.FilesCache;
import org.apache.commons.vfs2.impl.DefaultFileSystemManager;
import org.junit.Assert;
import org.junit.Test;
/**
* Tests for {@link LRUFilesCache} used by {@link LRUFilesCacheTestCase}.
*/
public class LRUFilesCacheTests extends AbstractFilesCacheTestsBase {
@Test
public void testFilesCache() throws Exception {
final FileObject scratchFolder = getWriteFolder();
Assert.assertNotNull("scratchFolder", scratchFolder);
// releaseable
final FileObject dir1 = scratchFolder.resolveFile("dir1");
// avoid cache removal
final FileObject dir2 = scratchFolder.resolveFile("dir2");
dir2.getContent();
// releaseable
@SuppressWarnings("unused")
final FileObject dir3 = scratchFolder.resolveFile("dir3");
// releaseable
@SuppressWarnings("unused")
final FileObject dir4 = scratchFolder.resolveFile("dir4");
// releaseable
@SuppressWarnings("unused")
final FileObject dir5 = scratchFolder.resolveFile("dir5");
// releaseable
@SuppressWarnings("unused")
final FileObject dir6 = scratchFolder.resolveFile("dir6");
// releaseable
@SuppressWarnings("unused")
final FileObject dir7 = scratchFolder.resolveFile("dir7");
// releaseable
@SuppressWarnings("unused")
final FileObject dir8 = scratchFolder.resolveFile("dir8");
// check if the cache still holds the right instance
final FileObject dir2_2 = scratchFolder.resolveFile("dir2");
assertSame(dir2, dir2_2);
// check if the cache still holds the right instance
final FileObject dir1_2 = scratchFolder.resolveFile("dir1");
assertNotSame(dir1, dir1_2);
}
@Test
public void testClass() {
@SuppressWarnings("resource")
final DefaultFileSystemManager manager = getManager();
Assert.assertNotNull("manager", manager);
final FilesCache filesCache = manager.getFilesCache();
assertTrue(Objects.toString(filesCache), filesCache instanceof LRUFilesCache);
}
}