/* * 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.Base64; public class Test1957 { static class Transform { public void sayHi() { // Use lower 'h' to make sure the string will have a different string id // than the transformation (the transformation code is the same except // the actual printed String, which was making the test inacurately passing // in JIT mode when loading the string from the dex cache, as the string ids // of the two different strings were the same). // We know the string ids will be different because lexicographically: // "Goodbye" < "LTransform;" < "hello". System.out.println("hello"); } } /** * base64 encoded class/dex file for * class Transform { * } */ private static final byte[] CLASS_BYTES = Base64.getDecoder().decode( "yv66vgAAADUAEQoAAwAKBwAMBwAPAQAGPGluaXQ+AQADKClWAQAEQ29kZQEAD0xpbmVOdW1iZXJU" + "YWJsZQEAClNvdXJjZUZpbGUBAA1UZXN0MTk1Ny5qYXZhDAAEAAUHABABABZhcnQvVGVzdDE5NTck" + "VHJhbnNmb3JtAQAJVHJhbnNmb3JtAQAMSW5uZXJDbGFzc2VzAQAQamF2YS9sYW5nL09iamVjdAEA" + "DGFydC9UZXN0MTk1NwAgAAIAAwAAAAAAAQAAAAQABQABAAYAAAAdAAEAAQAAAAUqtwABsQAAAAEA" + "BwAAAAYAAQAAAAYAAgAIAAAAAgAJAA4AAAAKAAEAAgALAA0ACA=="); private static final byte[] DEX_BYTES = Base64.getDecoder().decode( "ZGV4CjAzNQAQiK+oahCb4T18bDge0pSvp7rka4UQ2AY0AwAAcAAAAHhWNBIAAAAAAAAAAIgCAAAN" + "AAAAcAAAAAYAAACkAAAAAQAAALwAAAAAAAAAAAAAAAIAAADIAAAAAQAAANgAAAA8AgAA+AAAABQB" + "AAAcAQAANgEAAEYBAABqAQAAigEAAJ4BAACtAQAAuAEAALsBAADIAQAAzgEAANUBAAABAAAAAgAA" + "AAMAAAAEAAAABQAAAAgAAAAIAAAABQAAAAAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAEAAAA" + "AAAAAAYAAAB4AgAAWwIAAAAAAAABAAEAAQAAABABAAAEAAAAcBABAAAADgAGAA4ABjxpbml0PgAY" + "TGFydC9UZXN0MTk1NyRUcmFuc2Zvcm07AA5MYXJ0L1Rlc3QxOTU3OwAiTGRhbHZpay9hbm5vdGF0" + "aW9uL0VuY2xvc2luZ0NsYXNzOwAeTGRhbHZpay9hbm5vdGF0aW9uL0lubmVyQ2xhc3M7ABJMamF2" + "YS9sYW5nL09iamVjdDsADVRlc3QxOTU3LmphdmEACVRyYW5zZm9ybQABVgALYWNjZXNzRmxhZ3MA" + "BG5hbWUABXZhbHVlAHV+fkQ4eyJjb21waWxhdGlvbi1tb2RlIjoiZGVidWciLCJtaW4tYXBpIjox" + "LCJzaGEtMSI6Ijg0NjI2ZDE0MmRiMmY4NzVhY2E2YjVlOWVmYWU3OThjYWQ5ZDlhNTAiLCJ2ZXJz" + "aW9uIjoiMS40LjItZGV2In0AAgIBCxgBAgMCCQQIChcHAAABAACAgAT4AQAAAAAAAAACAAAATAIA" + "AFICAABsAgAAAAAAAAAAAAAAAAAADgAAAAAAAAABAAAAAAAAAAEAAAANAAAAcAAAAAIAAAAGAAAA" + "pAAAAAMAAAABAAAAvAAAAAUAAAACAAAAyAAAAAYAAAABAAAA2AAAAAEgAAABAAAA+AAAAAMgAAAB" + "AAAAEAEAAAIgAAANAAAAFAEAAAQgAAACAAAATAIAAAAgAAABAAAAWwIAAAMQAAACAAAAaAIAAAYg" + "AAABAAAAeAIAAAAQAAABAAAAiAIAAA=="); public static void run() { Redefinition.setTestConfiguration(Redefinition.Config.COMMON_REDEFINE); Transform t = new Transform(); System.out.println("LastError is: " + getLastErrorOrException()); try { Redefinition.doCommonClassRedefinition(Transform.class, CLASS_BYTES, DEX_BYTES); } catch (Throwable e) { System.out.println("Got " + e.getClass().toString() + ": " + e.getMessage()); } System.out.println("LastError is: " + getLastErrorOrException()); clearLastError(); System.out.println("LastError is: " + getLastErrorOrException()); } public static String getLastErrorOrException() { try { return getLastError(); } catch (Throwable t) { return ""; } } public static native String getLastError(); public static native void clearLastError(); }