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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed 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 libcore.dalvik.system;
import dalvik.system.PathClassLoader;
import java.lang.reflect.Method;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import libcore.io.Streams;
import junit.framework.TestCase;
public final class PathClassLoaderTest extends TestCase {
/**
* Make sure we're searching the application library path first.
* http://b/issue?id=2933456
*/
public void testLibraryPathSearchOrder() throws IOException {
File tmp = new File(System.getProperty("java.io.tmpdir"));
File systemLibPath = new File(tmp, "systemLibPath");
File applicationLibPath = new File(tmp, "applicationLibPath");
makeTempFile(systemLibPath, "libduplicated.so");
File applicationLib = makeTempFile(applicationLibPath, "libduplicated.so");
System.setProperty("java.library.path", systemLibPath.toString());
PathClassLoader pathClassLoader = new PathClassLoader(applicationLibPath.toString(),
applicationLibPath.toString(), getClass().getClassLoader());
String path = pathClassLoader.findLibrary("duplicated");
assertEquals(applicationLib.toString(), path);
}
private File makeTempFile(File directory, String name) throws IOException {
directory.mkdirs();
File result = new File(directory, name);
FileOutputStream stream = new FileOutputStream(result);
stream.close();
assertTrue(result.exists());
return result;
}
public void testAppUseOfPathClassLoader() throws Exception {
// Extract loading-test.jar from the resource.
ClassLoader pcl = PathClassLoaderTest.class.getClassLoader();
File jar = File.createTempFile("loading-test", ".jar");
try (InputStream in = pcl.getResourceAsStream("dalvik/system/loading-test.jar");
FileOutputStream out = new FileOutputStream(jar)) {
Streams.copy(in, out);
}
// Execute code from the jar file using a PathClassLoader.
PathClassLoader cl = new PathClassLoader(jar.getPath(), pcl);
Class c = cl.loadClass("test.Test1");
Method m = c.getMethod("test", (Class[]) null);
String result = (String) m.invoke(null, (Object[]) null);
assertSame("blort", result);
// Clean up the extracted jar file.
assertTrue(jar.delete());
}
@Override protected void setUp() throws Exception {
super.setUp();
}
@Override protected void tearDown() throws Exception {
super.tearDown();
}
}
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