| /* |
| * 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(); |
| } |
| } |