| /* |
| * 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); |
| } |
| } |