/*
* 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.harmony.unpack200.tests;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.Enumeration;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.jar.JarOutputStream;
import junit.framework.TestCase;
import org.apache.harmony.unpack200.Archive;
/**
* Tests for org.apache.harmony.unpack200.Archive, which is the main class for
* unpack200.
*/
public class ArchiveTest extends TestCase {
InputStream in;
JarOutputStream out;
File file;
public void testJustResourcesGZip() throws Exception {
in = Archive.class
.getResourceAsStream("/org/apache/harmony/pack200/tests/JustResources.pack.gz");
file = File.createTempFile("Just", "ResourcesGz.jar");
out = new JarOutputStream(new FileOutputStream(file));
Archive archive = new Archive(in, out);
archive.unpack();
}
// Test with an archive containing Harmony's SQL module, packed with -E1
public void testWithSqlE1() throws Exception {
in = Archive.class
.getResourceAsStream("/org/apache/harmony/pack200/tests/sql-e1.pack.gz");
file = File.createTempFile("sql-e1", ".jar");
out = new JarOutputStream(new FileOutputStream(file));
Archive archive = new Archive(in, out);
archive.unpack();
}
// Test with an archive containing Harmony's SQL module
public void testWithSql() throws Exception {
in = Archive.class
.getResourceAsStream("/org/apache/harmony/pack200/tests/sql.pack.gz");
file = File.createTempFile("sql", ".jar");
out = new JarOutputStream(new FileOutputStream(file));
Archive archive = new Archive(in, out);
archive.unpack();
JarFile jarFile = new JarFile(file);
file.deleteOnExit();
File compareFile = new File(Archive.class.getResource(
"/org/apache/harmony/pack200/tests/sqlUnpacked.jar").toURI());
JarFile jarFile2 = new JarFile(compareFile);
long differenceInJarSizes = Math.abs(compareFile.length()
- file.length());
assertTrue("Expected jar files to be a similar size, difference was "
+ differenceInJarSizes + " bytes", differenceInJarSizes < 100);
Enumeration entries = jarFile.entries();
Enumeration entries2 = jarFile2.entries();
while(entries.hasMoreElements() && entries2.hasMoreElements()) {
JarEntry entry = (JarEntry) entries.nextElement();
assertNotNull(entry);
String name = entry.getName();
JarEntry entry2 = (JarEntry) entries2.nextElement();
assertNotNull(entry2);
String name2 = entry2.getName();
assertEquals(name, name2);
InputStream ours = jarFile.getInputStream(entry);
InputStream expected = jarFile2.getInputStream(entry2);
BufferedReader reader1 = new BufferedReader(new InputStreamReader(ours));
BufferedReader reader2 = new BufferedReader(new InputStreamReader(
expected));
String line1 = reader1.readLine();
String line2 = reader2.readLine();
int i = 1;
while (line1 != null || line2 != null) {
assertEquals("Unpacked class files differ for " + name, line2, line1);
line1 = reader1.readLine();
line2 = reader2.readLine();
i++;
}
reader1.close();
reader2.close();
}
}
// Test with an archive containing Harmony's Pack200 module, packed with -E1
public void testWithPack200E1() throws Exception {
in = Archive.class
.getResourceAsStream("/org/apache/harmony/pack200/tests/pack200-e1.pack.gz");
file = File.createTempFile("p200-e1", ".jar");
out = new JarOutputStream(new FileOutputStream(file));
Archive archive = new Archive(in, out);
archive.unpack();
}
// Test with an archive containing Harmony's Pack200 module
public void testWithPack200() throws Exception {
in = Archive.class
.getResourceAsStream("/org/apache/harmony/pack200/tests/pack200.pack.gz");
file = File.createTempFile("p200", ".jar");
out = new JarOutputStream(new FileOutputStream(file));
Archive archive = new Archive(in, out);
archive.unpack();
}
// Test with an archive containing Harmony's JNDI module
public void testWithJNDIE1() throws Exception {
in = Archive.class
.getResourceAsStream("/org/apache/harmony/pack200/tests/jndi-e1.pack.gz");
file = File.createTempFile("jndi-e1", ".jar");
out = new JarOutputStream(new FileOutputStream(file));
Archive archive = new Archive(in, out);
archive.unpack();
}
// Test with an archive containing Annotations
public void testWithAnnotations() throws Exception {
in = Archive.class
.getResourceAsStream("/org/apache/harmony/pack200/tests/annotations.pack.gz");
file = File.createTempFile("annotations", ".jar");
out = new JarOutputStream(new FileOutputStream(file));
Archive archive = new Archive(in, out);
archive.unpack();
}
// Test with an archive packed with the -E0 option
public void testWithE0() throws Exception {
in = Archive.class
.getResourceAsStream("/org/apache/harmony/pack200/tests/simple-E0.pack.gz");
file = File.createTempFile("simple-e0", ".jar");
out = new JarOutputStream(new FileOutputStream(file));
Archive archive = new Archive(in, out);
archive.unpack();
}
// Test with a class containing lots of local variables (regression test for
// HARMONY-5470)
public void testWithLargeClass() throws Exception {
in = Archive.class
.getResourceAsStream("/org/apache/harmony/pack200/tests/LargeClass.pack.gz");
file = File.createTempFile("largeClass", ".jar");
out = new JarOutputStream(new FileOutputStream(file));
Archive archive = new Archive(in, out);
archive.unpack();
}
protected void tearDown() throws Exception {
super.tearDown();
if (in != null) {
try {
in.close();
} catch (IOException e) {
e.printStackTrace();
}
}
try {
if (out != null) {
out.close();
}
} catch (IOException e) {
e.printStackTrace();
}
file.delete();
}
}