/*
* 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.jar.JarEntry;
import java.util.jar.JarFile;
import java.util.jar.JarOutputStream;
import junit.framework.TestCase;
import org.apache.harmony.unpack200.Segment;
/**
* Tests for org.apache.harmony.unpack200.Segment.
*/
public class SegmentTest extends TestCase {
InputStream in;
JarOutputStream out;
File file;
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();
}
public void testJustResources() throws Exception {
in = Segment.class
.getResourceAsStream("/org/apache/harmony/pack200/tests/JustResources.pack");
file = File.createTempFile("just", "resources.jar");
out = new JarOutputStream(new FileOutputStream(file));
Segment segment = new Segment();
segment.unpack(in, out);
}
public void testInterfaceOnly() throws Exception {
in = Segment.class
.getResourceAsStream("/org/apache/harmony/pack200/tests/InterfaceOnly.pack");
file = File.createTempFile("Interface", "Only.jar");
out = new JarOutputStream(new FileOutputStream(file));
Segment segment = new Segment();
segment.unpack(in, out);
}
public void testHelloWorld() throws Exception {
in = Segment.class
.getResourceAsStream("/org/apache/harmony/pack200/tests/HelloWorld.pack");
file = File.createTempFile("hello", "world.jar");
out = new JarOutputStream(new FileOutputStream(file));
Segment segment = new Segment();
segment.unpack(in, out);
out.close();
out = null;
JarFile jarFile = new JarFile(file);
file.deleteOnExit();
JarEntry entry = jarFile
.getJarEntry("org/apache/harmony/archive/tests/internal/pack200/HelloWorld.class");
assertNotNull(entry);
try {
Process process = Runtime
.getRuntime()
.exec(
"java -cp "
+ file.getName()
+ " org.apache.harmony.archive.tests.internal.pack200.HelloWorld",
new String[] {}, file.getParentFile());
BufferedReader reader = new BufferedReader(new InputStreamReader(
process.getInputStream()));
String line = reader.readLine();
assertEquals("Hello world", line);
reader.close();
Process process2 = Runtime
.getRuntime()
.exec(
"javap -c -verbose -classpath "
+ file.getName()
+ " org.apache.harmony.archive.tests.internal.pack200.HelloWorld",
new String[] {}, file.getParentFile());
BufferedReader reader1 = new BufferedReader(new InputStreamReader(process2
.getInputStream()));
InputStream javapCompareFile = Segment.class
.getResourceAsStream("/org/apache/harmony/pack200/tests/HelloWorldJavap.out");
BufferedReader reader2 = new BufferedReader(new InputStreamReader(
javapCompareFile));
String line1 = reader1.readLine();
String line2 = reader2.readLine();
int i = 1;
while (line1 != null || line2 != null) {
assertEquals(line2, line1);
line1 = reader1.readLine();
line2 = reader2.readLine();
i++;
}
reader1.close();
reader2.close();
} catch (IOException e) {
if (e.getMessage().startsWith("Unable to start program")) {
System.out.println("Warning: org.apache.harmony.unpack200.tests.SegmentTest.testHelloWorld() was not completed as java or javap could not be found");
} else {
throw e;
}
}
}
}