1 /*
2  * Copyright (C) 2016 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 art;
18 
19 import java.util.Base64;
20 public class Test1996 {
21 
22   public static class SuperTransform {
23     public String hiValue = "Hi";
sayHi()24     public String sayHi() {
25       return this.hiValue;
26     }
27   }
28   public static final class Transform extends SuperTransform {
PostTransform()29     public void PostTransform() { }
sayHiTwice(Runnable run)30     public String sayHiTwice(Runnable run) {
31       run.run();
32       return "super: " + super.sayHi() + " this: " + sayHi();
33     }
34   }
35 
36   /**
37    * base64 encoded class/dex file for
38    * public static final class Transform extends SuperTransform {
39    *   public String myGreeting;
40    *   public void PostTransform() {
41    *     myGreeting = "SALUTATIONS";
42    *   }
43    *   public String sayHiTwice(Runnable run) {
44    *     run.run();
45    *     return "super: " + super.sayHi() + " and then this: " + sayHi();
46    *   }
47    *   public String sayHi() {
48    *     return myGreeting;
49    *   }
50    * }
51    */
52   private static final byte[] DEX_BYTES = Base64.getDecoder().decode(
53 "ZGV4CjAzNQAO4Dwurw97RcUtfH7np7S5RR8gsJYOfmeABQAAcAAAAHhWNBIAAAAAAAAAALwEAAAc" +
54 "AAAAcAAAAAkAAADgAAAABAAAAAQBAAABAAAANAEAAAoAAAA8AQAAAQAAAIwBAADUAwAArAEAAHYC" +
55 "AACIAgAAkAIAAJMCAACXAgAAtgIAANACAADgAgAABAMAACQDAAA6AwAATgMAAGkDAAB4AwAAhQMA" +
56 "AJQDAACfAwAAogMAAK8DAAC3AwAAwwMAAMkDAADOAwAA1QMAAOEDAADqAwAA9AMAAPsDAAAEAAAA" +
57 "BQAAAAYAAAAHAAAACAAAAAkAAAAKAAAACwAAABAAAAACAAAABgAAAAAAAAADAAAABgAAAGgCAAAD" +
58 "AAAABwAAAHACAAAQAAAACAAAAAAAAAABAAYAEwAAAAAAAwABAAAAAAAAABYAAAABAAMAAQAAAAEA" +
59 "AwAMAAAAAQAAABYAAAABAAEAFwAAAAUAAwAVAAAABwADAAEAAAAHAAIAEgAAAAcAAAAZAAAAAQAA" +
60 "ABEAAAAAAAAAAAAAAA4AAACsBAAAggQAAAAAAAACAAEAAAAAAFsCAAADAAAAVBAAABEAAAAFAAIA" +
61 "AgAAAF8CAAAlAAAAchAGAAQAbxABAAMADARuEAQAAwAMACIBBwBwEAcAAQAaAhgAbiAIACEAbiAI" +
62 "AEEAGgQAAG4gCABBAG4gCAABAG4QCQABAAwEEQQAAAEAAQABAAAAUgIAAAQAAABwEAAAAAAOAAIA" +
63 "AQAAAAAAVgIAAAUAAAAaAA0AWxAAAA4ACgAOAA0ADksAFAAOABABAA48AAAAAAEAAAAFAAAAAQAA" +
64 "AAYAECBhbmQgdGhlbiB0aGlzOiAABjxpbml0PgABTAACTEwAHUxhcnQvVGVzdDE5OTYkU3VwZXJU" +
65 "cmFuc2Zvcm07ABhMYXJ0L1Rlc3QxOTk2JFRyYW5zZm9ybTsADkxhcnQvVGVzdDE5OTY7ACJMZGFs" +
66 "dmlrL2Fubm90YXRpb24vRW5jbG9zaW5nQ2xhc3M7AB5MZGFsdmlrL2Fubm90YXRpb24vSW5uZXJD" +
67 "bGFzczsAFExqYXZhL2xhbmcvUnVubmFibGU7ABJMamF2YS9sYW5nL1N0cmluZzsAGUxqYXZhL2xh" +
68 "bmcvU3RyaW5nQnVpbGRlcjsADVBvc3RUcmFuc2Zvcm0AC1NBTFVUQVRJT05TAA1UZXN0MTk5Ni5q" +
69 "YXZhAAlUcmFuc2Zvcm0AAVYAC2FjY2Vzc0ZsYWdzAAZhcHBlbmQACm15R3JlZXRpbmcABG5hbWUA" +
70 "A3J1bgAFc2F5SGkACnNheUhpVHdpY2UAB3N1cGVyOiAACHRvU3RyaW5nAAV2YWx1ZQB2fn5EOHsi" +
71 "Y29tcGlsYXRpb24tbW9kZSI6ImRlYnVnIiwibWluLWFwaSI6MSwic2hhLTEiOiI2MGRhNGQ2N2Iz" +
72 "ODFjNDI0Njc3NTdjNDlmYjZlNTU3NTZkODhhMmYzIiwidmVyc2lvbiI6IjEuNy4xMi1kZXYifQAC" +
73 "AwEaGAICBAIRBBkUFw8AAQEDAAECgYAEoAQDAbgEAQGsAwEBxAMAAAAAAAACAAAAcwQAAHkEAACg" +
74 "BAAAAAAAAAAAAAAAAAAAEAAAAAAAAAABAAAAAAAAAAEAAAAcAAAAcAAAAAIAAAAJAAAA4AAAAAMA" +
75 "AAAEAAAABAEAAAQAAAABAAAANAEAAAUAAAAKAAAAPAEAAAYAAAABAAAAjAEAAAEgAAAEAAAArAEA" +
76 "AAMgAAAEAAAAUgIAAAEQAAACAAAAaAIAAAIgAAAcAAAAdgIAAAQgAAACAAAAcwQAAAAgAAABAAAA" +
77 "ggQAAAMQAAACAAAAnAQAAAYgAAABAAAArAQAAAAQAAABAAAAvAQAAA==");
78 
run()79   public static void run() {
80     Redefinition.setTestConfiguration(Redefinition.Config.COMMON_REDEFINE);
81     doTest(new Transform());
82   }
83 
doTest(final Transform t)84   public static void doTest(final Transform t) {
85     System.out.println(t.sayHiTwice(() -> { System.out.println("Not doing anything"); }));
86     System.out.println(t.sayHiTwice(
87       () -> {
88         System.out.println("Redefining calling class");
89         Redefinition.doCommonStructuralClassRedefinition(Transform.class, DEX_BYTES);
90         t.PostTransform();
91       }));
92     System.out.println(t.sayHiTwice(() -> { System.out.println("Not doing anything"); }));
93   }
94 }
95