| /* |
| * 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.lzma; |
| |
| import static org.junit.Assert.*; |
| |
| import org.junit.Test; |
| |
| public class LZMAUtilsTestCase { |
| |
| @Test |
| public void testIsCompressedFilename() { |
| assertFalse(LZMAUtils.isCompressedFilename("")); |
| assertFalse(LZMAUtils.isCompressedFilename(".lzma")); |
| |
| assertTrue(LZMAUtils.isCompressedFilename("x.lzma")); |
| assertTrue(LZMAUtils.isCompressedFilename("x-lzma")); |
| |
| assertFalse(LZMAUtils.isCompressedFilename("xxgz")); |
| assertFalse(LZMAUtils.isCompressedFilename("lzmaz")); |
| assertFalse(LZMAUtils.isCompressedFilename("xaz")); |
| |
| assertFalse(LZMAUtils.isCompressedFilename("x.lzma ")); |
| assertFalse(LZMAUtils.isCompressedFilename("x.lzma\n")); |
| assertFalse(LZMAUtils.isCompressedFilename("x.lzma.y")); |
| } |
| |
| @Test |
| public void testGetUncompressedFilename() { |
| assertEquals("", LZMAUtils.getUncompressedFilename("")); |
| assertEquals(".lzma", LZMAUtils.getUncompressedFilename(".lzma")); |
| |
| assertEquals("x", LZMAUtils.getUncompressedFilename("x.lzma")); |
| assertEquals("x", LZMAUtils.getUncompressedFilename("x-lzma")); |
| |
| assertEquals("x.lzma ", LZMAUtils.getUncompressedFilename("x.lzma ")); |
| assertEquals("x.lzma\n", LZMAUtils.getUncompressedFilename("x.lzma\n")); |
| assertEquals("x.lzma.y", LZMAUtils.getUncompressedFilename("x.lzma.y")); |
| } |
| |
| @Test |
| public void testGetCompressedFilename() { |
| assertEquals(".lzma", LZMAUtils.getCompressedFilename("")); |
| assertEquals("x.lzma", LZMAUtils.getCompressedFilename("x")); |
| |
| assertEquals("x.wmf .lzma", LZMAUtils.getCompressedFilename("x.wmf ")); |
| assertEquals("x.wmf\n.lzma", LZMAUtils.getCompressedFilename("x.wmf\n")); |
| assertEquals("x.wmf.y.lzma", LZMAUtils.getCompressedFilename("x.wmf.y")); |
| } |
| |
| @Test |
| public void testMatches() { |
| final byte[] data = { |
| (byte) 0x5D, 0, 0, |
| }; |
| assertFalse(LZMAUtils.matches(data, 2)); |
| assertTrue(LZMAUtils.matches(data, 3)); |
| assertTrue(LZMAUtils.matches(data, 4)); |
| data[2] = '0'; |
| assertFalse(LZMAUtils.matches(data, 3)); |
| } |
| |
| @Test |
| public void testCachingIsEnabledByDefaultAndLZMAIsPresent() { |
| assertEquals(LZMAUtils.CachedAvailability.CACHED_AVAILABLE, LZMAUtils.getCachedLZMAAvailability()); |
| assertTrue(LZMAUtils.isLZMACompressionAvailable()); |
| } |
| |
| @Test |
| public void testCanTurnOffCaching() { |
| try { |
| LZMAUtils.setCacheLZMAAvailablity(false); |
| assertEquals(LZMAUtils.CachedAvailability.DONT_CACHE, LZMAUtils.getCachedLZMAAvailability()); |
| assertTrue(LZMAUtils.isLZMACompressionAvailable()); |
| } finally { |
| LZMAUtils.setCacheLZMAAvailablity(true); |
| } |
| } |
| |
| @Test |
| public void testTurningOnCachingReEvaluatesAvailability() { |
| try { |
| LZMAUtils.setCacheLZMAAvailablity(false); |
| assertEquals(LZMAUtils.CachedAvailability.DONT_CACHE, LZMAUtils.getCachedLZMAAvailability()); |
| LZMAUtils.setCacheLZMAAvailablity(true); |
| assertEquals(LZMAUtils.CachedAvailability.CACHED_AVAILABLE, LZMAUtils.getCachedLZMAAvailability()); |
| } finally { |
| LZMAUtils.setCacheLZMAAvailablity(true); |
| } |
| } |
| |
| } |