1 /* 2 * Copyright (C) 2017 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 import java.util.Arrays; 18 19 public class Main { 20 public static void main(String[] args) throws Exception { 21 doTest(); 22 } 23 24 private static void doTest() throws Exception { 25 doTest(true, DEX1, "B"); 26 doTest(false, DEX2, "A"); 27 System.out.println("Done"); 28 } 29 30 private static void doTest(boolean boot, String segment, String className) throws Exception { 31 ClassLoader expectedClassLoader; 32 if (boot) { 33 expectedClassLoader = Object.class.getClassLoader(); 34 addToBootClassLoader(segment); 35 } else { 36 expectedClassLoader = ClassLoader.getSystemClassLoader(); 37 addToSystemClassLoader(segment); 38 } 39 40 Class<?> c = Class.forName(className); 41 if (c.getClassLoader() != expectedClassLoader) { 42 throw new RuntimeException(className + "(" + boot + "/" + segment + "): " + 43 c.getClassLoader() + " vs " + expectedClassLoader); 44 } 45 } 46 47 private static native void addToBootClassLoader(String s); 48 private static native void addToSystemClassLoader(String s); 49 50 private static final String DEX1 = System.getenv("DEX_LOCATION") + "/929-search.jar"; 51 private static final String DEX2 = System.getenv("DEX_LOCATION") + "/929-search-ex.jar"; 52 } 53
