| /* |
| * 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.compress.compressors.xz; |
| |
| import static org.junit.Assert.*; |
| |
| import org.junit.Test; |
| |
| public class XZUtilsTestCase { |
| |
| @Test |
| public void testIsCompressedFilename() { |
| assertFalse(XZUtils.isCompressedFilename("")); |
| assertFalse(XZUtils.isCompressedFilename(".xz")); |
| |
| assertTrue(XZUtils.isCompressedFilename("x.txz")); |
| assertTrue(XZUtils.isCompressedFilename("x.xz")); |
| assertTrue(XZUtils.isCompressedFilename("x-xz")); |
| |
| assertFalse(XZUtils.isCompressedFilename("xxgz")); |
| assertFalse(XZUtils.isCompressedFilename("xzz")); |
| assertFalse(XZUtils.isCompressedFilename("xaz")); |
| |
| assertFalse(XZUtils.isCompressedFilename("x.txz ")); |
| assertFalse(XZUtils.isCompressedFilename("x.txz\n")); |
| assertFalse(XZUtils.isCompressedFilename("x.txz.y")); |
| } |
| |
| @Test |
| public void testGetUncompressedFilename() { |
| assertEquals("", XZUtils.getUncompressedFilename("")); |
| assertEquals(".xz", XZUtils.getUncompressedFilename(".xz")); |
| |
| assertEquals("x.tar", XZUtils.getUncompressedFilename("x.txz")); |
| assertEquals("x", XZUtils.getUncompressedFilename("x.xz")); |
| assertEquals("x", XZUtils.getUncompressedFilename("x-xz")); |
| |
| assertEquals("x.txz ", XZUtils.getUncompressedFilename("x.txz ")); |
| assertEquals("x.txz\n", XZUtils.getUncompressedFilename("x.txz\n")); |
| assertEquals("x.txz.y", XZUtils.getUncompressedFilename("x.txz.y")); |
| } |
| |
| @Test |
| public void testGetCompressedFilename() { |
| assertEquals(".xz", XZUtils.getCompressedFilename("")); |
| assertEquals("x.xz", XZUtils.getCompressedFilename("x")); |
| |
| assertEquals("x.txz", XZUtils.getCompressedFilename("x.tar")); |
| |
| assertEquals("x.wmf .xz", XZUtils.getCompressedFilename("x.wmf ")); |
| assertEquals("x.wmf\n.xz", XZUtils.getCompressedFilename("x.wmf\n")); |
| assertEquals("x.wmf.y.xz", XZUtils.getCompressedFilename("x.wmf.y")); |
| } |
| |
| @Test |
| public void testMatches() { |
| final byte[] data = { |
| (byte) 0xFD, '7', 'z', 'X', 'Z', '\0' |
| }; |
| assertFalse(XZUtils.matches(data, 5)); |
| assertTrue(XZUtils.matches(data, 6)); |
| assertTrue(XZUtils.matches(data, 7)); |
| data[5] = '0'; |
| assertFalse(XZUtils.matches(data, 6)); |
| } |
| |
| @Test |
| public void testCachingIsEnabledByDefaultAndXZIsPresent() { |
| assertEquals(XZUtils.CachedAvailability.CACHED_AVAILABLE, XZUtils.getCachedXZAvailability()); |
| assertTrue(XZUtils.isXZCompressionAvailable()); |
| } |
| |
| @Test |
| public void testCanTurnOffCaching() { |
| try { |
| XZUtils.setCacheXZAvailablity(false); |
| assertEquals(XZUtils.CachedAvailability.DONT_CACHE, XZUtils.getCachedXZAvailability()); |
| assertTrue(XZUtils.isXZCompressionAvailable()); |
| } finally { |
| XZUtils.setCacheXZAvailablity(true); |
| } |
| } |
| |
| @Test |
| public void testTurningOnCachingReEvaluatesAvailability() { |
| try { |
| XZUtils.setCacheXZAvailablity(false); |
| assertEquals(XZUtils.CachedAvailability.DONT_CACHE, XZUtils.getCachedXZAvailability()); |
| XZUtils.setCacheXZAvailablity(true); |
| assertEquals(XZUtils.CachedAvailability.CACHED_AVAILABLE, XZUtils.getCachedXZAvailability()); |
| } finally { |
| XZUtils.setCacheXZAvailablity(true); |
| } |
| } |
| |
| } |