1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.commons.compress.compressors.bzip2;
20
21 import static org.junit.jupiter.api.Assertions.assertEquals;
22
23 import java.io.File;
24 import java.io.InputStream;
25 import java.nio.file.Files;
26
27 import org.apache.commons.compress.AbstractTest;
28 import org.junit.jupiter.api.Test;
29
30 public class BZip2NSelectorsOverflowTest extends AbstractTest {
31
32 /**
33 * See https://sourceware.org/ml/bzip2-devel/2019-q3/msg00007.html
34 */
35 @Test
36 public void testShouldDecompressBlockWithNSelectorOverflow() throws Exception {
37 final File toDecompress = getFile("lbzip2_32767.bz2");
38 try (InputStream is = Files.newInputStream(toDecompress.toPath());
39 BZip2CompressorInputStream in = new BZip2CompressorInputStream(is)) {
40 int l = 0;
41 while (in.read() != -1) {
42 l++;
43 }
44 assertEquals(5, l);
45 }
46 }
47 }