| /* |
| * Copyright (C) 2016 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 art; |
| |
| import java.util.*; |
| import java.lang.reflect.*; |
| import java.nio.ByteBuffer; |
| import dalvik.system.InMemoryDexClassLoader; |
| |
| public class Test1946 { |
| // Base64 encoded dex file containing the following classes. Note the class E cannot be loaded. |
| // public class A {} |
| // public class B {} |
| // public class C {} |
| // public class D {} |
| // public class E extends ClassNotThere {} |
| private static final byte[] TEST_CLASSES = Base64.getDecoder().decode( |
| "ZGV4CjAzNQDzTO8rVDlKlz80vQF4NLYV5MjMMjHlOtRoAwAAcAAAAHhWNBIAAAAAAAAAAOACAAAO" + |
| "AAAAcAAAAAgAAACoAAAAAQAAAMgAAAAAAAAAAAAAAAcAAADUAAAABQAAAAwBAAC8AQAArAEAACQC" + |
| "AAAsAgAANAIAADwCAABEAgAATAIAAFQCAABZAgAAXgIAAGMCAAB0AgAAeQIAAH4CAACSAgAABgAA" + |
| "AAcAAAAIAAAACQAAAAoAAAALAAAADAAAAA0AAAANAAAABwAAAAAAAAAAAAAAAAAAAAEAAAAAAAAA" + |
| "AgAAAAAAAAADAAAAAAAAAAQAAAAAAAAABQAAAAAAAAAGAAAAAAAAAAAAAAAAAAAABgAAAAAAAAAB" + |
| "AAAAAAAAAK4CAAAAAAAAAQAAAAAAAAAGAAAAAAAAAAIAAAAAAAAAuAIAAAAAAAACAAAAAAAAAAYA" + |
| "AAAAAAAAAwAAAAAAAADCAgAAAAAAAAQAAAAAAAAABgAAAAAAAAAEAAAAAAAAAMwCAAAAAAAABQAA" + |
| "AAAAAAADAAAAAAAAAAUAAAAAAAAA1gIAAAAAAAABAAEAAQAAAJUCAAAEAAAAcBAGAAAADgABAAEA" + |
| "AQAAAJoCAAAEAAAAcBAGAAAADgABAAEAAQAAAJ8CAAAEAAAAcBAGAAAADgABAAEAAQAAAKQCAAAE" + |
| "AAAAcBAGAAAADgABAAEAAQAAAKkCAAAEAAAAcBADAAAADgAGPGluaXQ+AAZBLmphdmEABkIuamF2" + |
| "YQAGQy5qYXZhAAZELmphdmEABkUuamF2YQADTEE7AANMQjsAA0xDOwAPTENsYXNzTm90VGhlcmU7" + |
| "AANMRDsAA0xFOwASTGphdmEvbGFuZy9PYmplY3Q7AAFWAAEABw4AAQAHDgABAAcOAAEABw4AAQAH" + |
| "DgAAAAEAAICABKwDAAABAAGAgATEAwAAAQACgIAE3AMAAAEABICABPQDAAABAAWAgASMBAsAAAAA" + |
| "AAAAAQAAAAAAAAABAAAADgAAAHAAAAACAAAACAAAAKgAAAADAAAAAQAAAMgAAAAFAAAABwAAANQA" + |
| "AAAGAAAABQAAAAwBAAABIAAABQAAAKwBAAACIAAADgAAACQCAAADIAAABQAAAJUCAAAAIAAABQAA" + |
| "AK4CAAAAEAAAAQAAAOACAAA="); |
| public class TMP1 {} |
| public class TMP2 {} |
| public class TMP3 extends ArrayList {} |
| |
| private static void check(boolean b, String msg) { |
| if (!b) { |
| throw new Error("Test failed! " + msg); |
| } |
| } |
| |
| private static <T> void checkEq(T[] full, T[] sub, String msg) { |
| List<T> f = Arrays.asList(full); |
| check(full.length == sub.length, "not equal length"); |
| msg = Arrays.toString(full) + " is not same as " + Arrays.toString(sub) + ": " + msg; |
| check(Arrays.asList(full).containsAll(Arrays.asList(sub)), msg); |
| } |
| |
| private static <T> void checkSubset(T[] full, T[] sub, String msg) { |
| msg = Arrays.toString(full) + " does not contain all of " + Arrays.toString(sub) + ": " + msg; |
| check(Arrays.asList(full).containsAll(Arrays.asList(sub)), msg); |
| } |
| |
| public static void run() throws Exception { |
| initializeTest(); |
| // Check a few random classes in BCP. |
| checkSubset(getClassloaderDescriptors(null), |
| new String[] { "Ljava/lang/String;", "Ljava/util/TreeSet;" }, |
| "Missing entries for null classloader."); |
| // Make sure that null is the same as BootClassLoader |
| checkEq(getClassloaderDescriptors(null), |
| getClassloaderDescriptors(Object.class.getClassLoader()), "Object not in bcp!"); |
| // Check the current class loader gets expected classes. |
| checkSubset(getClassloaderDescriptors(Test1946.class.getClassLoader()), |
| new String[] { |
| "Lart/Test1946;", |
| "Lart/Test1946$TMP1;", |
| "Lart/Test1946$TMP2;", |
| "Lart/Test1946$TMP3;" |
| }, |
| "Missing entries for current class classloader."); |
| // Check that the result is exactly what we expect and includes classes that fail verification. |
| checkEq(getClassloaderDescriptors(makeClassLoaderFrom(TEST_CLASSES, |
| ClassLoader.getSystemClassLoader())), |
| new String[] { "LA;", "LB;", "LC;", "LD;", "LE;" }, |
| "Unexpected classes in custom classloader"); |
| checkEq(getClassloaderDescriptors(makeClassLoaderFrom(TEST_CLASSES, |
| Object.class.getClassLoader())), |
| new String[] { "LA;", "LB;", "LC;", "LD;", "LE;" }, |
| "Unexpected classes in custom classloader"); |
| checkEq(getClassloaderDescriptors(makeClassLoaderFrom(TEST_CLASSES, |
| Test1946.class.getClassLoader())), |
| new String[] { "LA;", "LB;", "LC;", "LD;", "LE;" }, |
| "Unexpected classes in custom classloader"); |
| // Check we only get 1 copy of each descriptor. |
| checkEq(getClassloaderDescriptors(makeClassLoaderFrom(Arrays.asList(TEST_CLASSES, TEST_CLASSES), |
| Test1946.class.getClassLoader())), |
| new String[] { "LA;", "LB;", "LC;", "LD;", "LE;" }, |
| "Unexpected classes in custom classloader"); |
| System.out.println("Passed!"); |
| } |
| |
| private static ClassLoader makeClassLoaderFrom(byte[] data, ClassLoader parent) throws Exception { |
| return new InMemoryDexClassLoader(ByteBuffer.wrap(data), parent); |
| } |
| |
| private static ClassLoader makeClassLoaderFrom(List<byte[]> data, ClassLoader parent) |
| throws Exception { |
| ArrayList<ByteBuffer> bufs = new ArrayList<>(); |
| for (byte[] d : data) { |
| bufs.add(ByteBuffer.wrap(d)); |
| } |
| return new InMemoryDexClassLoader(bufs.toArray(new ByteBuffer[0]), parent); |
| } |
| |
| private static native void initializeTest(); |
| private static native String[] getClassloaderDescriptors(ClassLoader loader); |
| } |