1 files changed, 116 insertions, 0 deletions
diff --git a/src/test/java/org/apache/commons/compress/compressors/BZip2TestCase.java b/src/test/java/org/apache/commons/compress/compressors/BZip2TestCase.java
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+++ b/src/test/java/org/apache/commons/compress/compressors/BZip2TestCase.java
@@ -0,0 +1,116 @@
+/*
+ * 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 static org.junit.Assert.*;
+
+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;
+import org.junit.Test;
+
+public final class BZip2TestCase extends AbstractTestCase {
+
+    @Test
+    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);
+            final 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);
+            final FileOutputStream os = new FileOutputStream(decompressed);
+            IOUtils.copy(in, os);
+            is.close();
+            os.close();
+        }
+
+        assertEquals(input.length(),decompressed.length());
+    }
+
+    @Test
+    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);
+        final FileOutputStream os = new FileOutputStream(output);
+        IOUtils.copy(in, os);
+        is.close();
+        os.close();
+    }
+
+    @Test
+    public void testConcatenatedStreamsReadFirstOnly() throws Exception {
+        final File input = getFile("multiple.bz2");
+        try (InputStream is = new FileInputStream(input)) {
+            try (CompressorInputStream in = new CompressorStreamFactory()
+                    .createCompressorInputStream("bzip2", is)) {
+                assertEquals('a', in.read());
+                assertEquals(-1, in.read());
+            }
+        }
+    }
+
+    @Test
+    public void testConcatenatedStreamsReadFully() throws Exception {
+        final File input = getFile("multiple.bz2");
+        try (InputStream is = new FileInputStream(input)) {
+            try (CompressorInputStream in = new BZip2CompressorInputStream(is, true)) {
+                assertEquals('a', in.read());
+                assertEquals('b', in.read());
+                assertEquals(0, in.available());
+                assertEquals(-1, in.read());
+            }
+        }
+    }
+
+    @Test
+    public void testCOMPRESS131() throws Exception {
+        final File input = getFile("COMPRESS-131.bz2");
+        try (InputStream is = new FileInputStream(input)) {
+            try (CompressorInputStream in = new BZip2CompressorInputStream(is, true)) {
+                int l = 0;
+                while (in.read() != -1) {
+                    l++;
+                }
+                assertEquals(539, l);
+            }
+        }
+    }
+
+}