| /* |
| * 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.bzip2; |
| |
| import static org.apache.commons.compress.AbstractTestCase.getFile; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.FileInputStream; |
| import java.io.IOException; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class BZip2CompressorInputStreamTest { |
| |
| @Test(expected = IOException.class) |
| public void shouldThrowAnIOExceptionWhenAppliedToAZipFile() throws Exception { |
| try (FileInputStream in = new FileInputStream(getFile("bla.zip"))) { |
| new BZip2CompressorInputStream(in); |
| } |
| } |
| |
| /** |
| * @see "https://issues.apache.org/jira/browse/COMPRESS-309" |
| */ |
| @Test |
| public void readOfLength0ShouldReturn0() throws Exception { |
| // Create a big random piece of data |
| final byte[] rawData = new byte[1048576]; |
| for (int i=0; i < rawData.length; ++i) { |
| rawData[i] = (byte) Math.floor(Math.random()*256); |
| } |
| |
| // Compress it |
| final ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| final BZip2CompressorOutputStream bzipOut = new BZip2CompressorOutputStream(baos); |
| bzipOut.write(rawData); |
| bzipOut.flush(); |
| bzipOut.close(); |
| baos.flush(); |
| baos.close(); |
| |
| // Try to read it back in |
| final ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); |
| final BZip2CompressorInputStream bzipIn = new BZip2CompressorInputStream(bais); |
| final byte[] buffer = new byte[1024]; |
| Assert.assertEquals(1024, bzipIn.read(buffer, 0, 1024)); |
| Assert.assertEquals(0, bzipIn.read(buffer, 1024, 0)); |
| Assert.assertEquals(1024, bzipIn.read(buffer, 0, 1024)); |
| bzipIn.close(); |
| } |
| |
| } |