1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package libcore.dalvik.system; 18 19 import dalvik.system.PathClassLoader; 20 import java.io.File; 21 import java.io.FileOutputStream; 22 import java.io.IOException; 23 import junit.framework.TestCase; 24 25 public final class PathClassLoaderTest extends TestCase { 26 27 /** 28 * Make sure we're searching the application library path first. 29 * http://b/issue?id=2933456 30 */ 31 public void testLibraryPathSearchOrder() throws IOException { 32 File tmp = new File(System.getProperty("java.io.tmpdir")); 33 File systemLibPath = new File(tmp, "systemLibPath"); 34 File applicationLibPath = new File(tmp, "applicationLibPath"); 35 makeTempFile(systemLibPath, "libduplicated.so"); 36 File applicationLib = makeTempFile(applicationLibPath, "libduplicated.so"); 37 38 System.setProperty("java.library.path", systemLibPath.toString()); 39 PathClassLoader pathClassLoader = new PathClassLoader(applicationLibPath.toString(), 40 applicationLibPath.toString(), getClass().getClassLoader()); 41 42 String path = pathClassLoader.findLibrary("duplicated"); 43 assertEquals(applicationLib.toString(), path); 44 } 45 46 private File makeTempFile(File directory, String name) throws IOException { 47 directory.mkdirs(); 48 File result = new File(directory, name); 49 FileOutputStream stream = new FileOutputStream(result); 50 stream.close(); 51 assertTrue(result.exists()); 52 return result; 53 } 54 55 @Override protected void setUp() throws Exception { 56 super.setUp(); 57 } 58 59 @Override protected void tearDown() throws Exception { 60 super.tearDown(); 61 } 62 } 63
