| /* |
| * 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; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileOutputStream; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| |
| import org.apache.commons.compress.AbstractTestCase; |
| import org.apache.commons.compress.compressors.bzip2.BZip2CompressorInputStream; |
| import org.apache.commons.compress.utils.IOUtils; |
| |
| public final class BZip2TestCase extends AbstractTestCase { |
| |
| public void testBzipCreation() throws Exception { |
| File output = null; |
| final File input = getFile("test.txt"); |
| { |
| output = new File(dir, "test.txt.bz2"); |
| final OutputStream out = new FileOutputStream(output); |
| final CompressorOutputStream cos = new CompressorStreamFactory().createCompressorOutputStream("bzip2", out); |
| FileInputStream in = new FileInputStream(input); |
| IOUtils.copy(in, cos); |
| cos.close(); |
| in.close(); |
| } |
| |
| final File decompressed = new File(dir, "decompressed.txt"); |
| { |
| final File toDecompress = output; |
| final InputStream is = new FileInputStream(toDecompress); |
| final CompressorInputStream in = |
| new CompressorStreamFactory().createCompressorInputStream("bzip2", is); |
| FileOutputStream os = new FileOutputStream(decompressed); |
| IOUtils.copy(in, os); |
| is.close(); |
| os.close(); |
| } |
| |
| assertEquals(input.length(),decompressed.length()); |
| } |
| |
| public void testBzip2Unarchive() throws Exception { |
| final File input = getFile("bla.txt.bz2"); |
| final File output = new File(dir, "bla.txt"); |
| final InputStream is = new FileInputStream(input); |
| final CompressorInputStream in = new CompressorStreamFactory().createCompressorInputStream("bzip2", is); |
| FileOutputStream os = new FileOutputStream(output); |
| IOUtils.copy(in, os); |
| is.close(); |
| os.close(); |
| } |
| |
| public void testConcatenatedStreamsReadFirstOnly() throws Exception { |
| final File input = getFile("multiple.bz2"); |
| final InputStream is = new FileInputStream(input); |
| try { |
| final CompressorInputStream in = new CompressorStreamFactory() |
| .createCompressorInputStream("bzip2", is); |
| try { |
| assertEquals('a', in.read()); |
| assertEquals(-1, in.read()); |
| } finally { |
| in.close(); |
| } |
| } finally { |
| is.close(); |
| } |
| } |
| |
| public void testConcatenatedStreamsReadFully() throws Exception { |
| final File input = getFile("multiple.bz2"); |
| final InputStream is = new FileInputStream(input); |
| try { |
| final CompressorInputStream in = |
| new BZip2CompressorInputStream(is, true); |
| try { |
| assertEquals('a', in.read()); |
| assertEquals('b', in.read()); |
| assertEquals(0, in.available()); |
| assertEquals(-1, in.read()); |
| } finally { |
| in.close(); |
| } |
| } finally { |
| is.close(); |
| } |
| } |
| |
| public void testCOMPRESS131() throws Exception { |
| final File input = getFile("COMPRESS-131.bz2"); |
| final InputStream is = new FileInputStream(input); |
| try { |
| final CompressorInputStream in = |
| new BZip2CompressorInputStream(is, true); |
| try { |
| int l = 0; |
| while(in.read() != -1) { |
| l++; |
| } |
| assertEquals(539, l); |
| } finally { |
| in.close(); |
| } |
| } finally { |
| is.close(); |
| } |
| } |
| |
| } |