Author: bodewig
Date: Tue Aug 2 04:21:10 2011
New Revision: 1153021
URL: http://svn.apache.org/viewvc?rev=1153021&view=rev
Log:
Prove you can't trust Inflater/Deflater
Added:
commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/archivers/zip/DeflaterInflaterTest.java
(with props)
Added:
commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/archivers/zip/DeflaterInflaterTest.java
URL:
http://svn.apache.org/viewvc/commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/archivers/zip/DeflaterInflaterTest.java?rev=1153021&view=auto
==============================================================================
---
commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/archivers/zip/DeflaterInflaterTest.java
(added)
+++
commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/archivers/zip/DeflaterInflaterTest.java
Tue Aug 2 04:21:10 2011
@@ -0,0 +1,102 @@
+/*
+ * 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.archivers.zip;
+
+import java.util.zip.Deflater;
+import java.util.zip.Inflater;
+
+import org.junit.Ignore;
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Not really a test for Commons Compress but rather one for the JDK.
+ */
+@Ignore
+public class DeflaterInflaterTest {
+ /**
+ * Verify Deflater.getBytesRead returns a number > 0xFFFFFFFF
+ * if the uncompressed size is bigger than that.
+ */
+ @Test public void deflaterBytesRead() throws Throwable {
+ Deflater def = new Deflater();
+ try {
+ byte[] in = new byte[4096];
+ byte[] out = new byte[8192];
+ final int max = 1024 * 1024 + 1;
+ for (int i = 0; i < max; i++) {
+ def.setInput(in);
+ while (!def.needsInput()) {
+ def.deflate(out, 0, out.length);
+ }
+ }
+ def.finish();
+ while (!def.finished()) {
+ def.deflate(out, 0, out.length);
+ }
+ assertEquals(0x100001000L, def.getBytesRead());
+ } finally {
+ def.end();
+ }
+ }
+
+ /**
+ * Verify Inflater.getBytesWritten returns a number >
+ * 0xFFFFFFFF if the uncompressed size is bigger than that.
+ */
+ @Test public void inflaterBytesWritten() throws Throwable {
+ Deflater def = new Deflater();
+ Inflater inf = new Inflater();
+ try {
+ byte[] in = new byte[4096];
+ byte[] out = new byte[8192];
+ byte[] out2 = new byte[8192];
+ final int max = 1024 * 1024 + 1;
+ for (int i = 0; i < max; i++) {
+ def.setInput(in);
+ while (!def.needsInput()) {
+ int len = def.deflate(out, 0, out.length);
+ if (len > 0) {
+ inf.setInput(out, 0, len);
+ while (!inf.needsInput()) {
+ inf.inflate(out2, 0, out2.length);
+ }
+ }
+ }
+ }
+ def.finish();
+ while (!def.finished()) {
+ int len = def.deflate(out, 0, out.length);
+ if (len > 0) {
+ inf.setInput(out, 0, len);
+ while (!inf.needsInput()) {
+ inf.inflate(out2, 0, out2.length);
+ }
+ }
+ }
+ def.end();
+ while (!inf.finished()) {
+ inf.inflate(out2, 0, out2.length);
+ }
+ assertEquals(0x100001000L, inf.getBytesWritten());
+ } finally {
+ inf.end();
+ }
+ }
+}
Propchange:
commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/archivers/zip/DeflaterInflaterTest.java
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