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 art.*; 18 19 public class Main { Check(Class[] klasses)20 public static void Check(Class[] klasses) { 21 for (Class k : klasses) { 22 try { 23 boolean res = Redefinition.isStructurallyModifiable(k); 24 System.out.println("Is Structurally modifiable " + k + " " + res); 25 } catch (Exception e) { 26 System.out.println("Got exception " + e + " during check modifiablity of " + k); 27 e.printStackTrace(System.out); 28 } 29 } 30 } 31 32 public static class C1 { 33 public Object o; foobar()34 public void foobar() {} 35 } 36 public static class C2 extends C1 { 37 public static Object o; foo()38 public static void foo() {} 39 } 40 public static class C3 extends C2 { 41 public Object j; bar()42 public void bar() {} 43 } 44 doTest()45 public static void doTest() throws Exception { 46 Class[] classes = new Class[] { 47 C1.class, 48 C2.class, 49 C3.class, 50 }; 51 System.out.println("Checking classes"); 52 Check(classes); 53 System.out.println("Setting C2 as having pointer-ids used and checking classes"); 54 SetPointerIdsUsed(C2.class); 55 Check(classes); 56 } SetPointerIdsUsed(Class<?> k)57 public static native void SetPointerIdsUsed(Class<?> k); main(String[] args)58 public static void main(String[] args) throws Exception { 59 // Redefinition.setTestConfiguration(Redefinition.Config.COMMON_REDEFINE); 60 doTest(); 61 } 62 } 63