/*
* 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.felix.framework.util;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
import junit.framework.TestCase;
import org.apache.felix.framework.util.WeakZipFileFactory.WeakZipFile;
public class WeakZipFileTest extends TestCase
{
private static final String ENTRY_NAME = "entry.txt";
public void testWeakClose()
{
// Create a reasonably big random string.
byte[] contentBytes = new byte[16384];
for (int i = 0; i < contentBytes.length; i++)
{
contentBytes[i] = (byte) ((i % 65) + 65);
}
String contentString = new String(contentBytes);
// Create a temporary zip file.
File tmpZip = null;
try
{
tmpZip = File.createTempFile("felix.test", ".zip");
tmpZip.deleteOnExit();
ZipOutputStream zos = new ZipOutputStream(new FileOutputStream(tmpZip));
ZipEntry ze = new ZipEntry(ENTRY_NAME);
zos.putNextEntry(ze);
zos.write(contentBytes, 0, contentBytes.length);
zos.close();
}
catch (IOException ex)
{
fail("Unable to create temporary zip file: " + ex);
}
try
{
WeakZipFileFactory factory = new WeakZipFileFactory(1);
WeakZipFile zipFile = factory.create(tmpZip);
assertTrue("Zip file not recorded.",
factory.getZipZiles().contains(zipFile));
assertTrue("Open zip file not recorded.",
factory.getOpenZipZiles().contains(zipFile));
ZipEntry ze = zipFile.getEntry(ENTRY_NAME);
assertNotNull("Zip entry not found", ze);
byte[] firstHalf = new byte[contentBytes.length / 2];
byte[] secondHalf = new byte[contentBytes.length - firstHalf.length];
InputStream is = zipFile.getInputStream(ze);
is.read(firstHalf);
zipFile.closeWeakly();
assertTrue("Zip file not recorded.",
factory.getZipZiles().contains(zipFile));
assertFalse("Open zip file still recorded.",
factory.getOpenZipZiles().contains(zipFile));
is.read(secondHalf);
assertTrue("Zip file not recorded.",
factory.getZipZiles().contains(zipFile));
assertTrue("Open zip file not recorded.",
factory.getOpenZipZiles().contains(zipFile));
byte[] complete = new byte[firstHalf.length + secondHalf.length];
System.arraycopy(firstHalf, 0, complete, 0, firstHalf.length);
System.arraycopy(secondHalf, 0, complete, firstHalf.length, secondHalf.length);
String completeString = new String(complete);
assertEquals(contentString, completeString);
zipFile.close();
}
catch (IOException ex)
{
fail("Unable to read zip file entry: " + ex);
}
}
}