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 
21 public class Test914 {
22 
23   // The class we will be transforming.
24   static class Transform {
sayHi(Runnable r)25     public void sayHi(Runnable r) {
26       System.out.println("hello");
27       r.run();
28       System.out.println("goodbye");
29     }
30   }
31 
32   // static class Transform {
33   //   public void sayHi(Runnable r) {
34   //     System.out.println("Hello - Transformed");
35   //     r.run();
36   //     System.out.println("Goodbye - Transformed");
37   //   }
38   // }
39   private static final byte[] CLASS_BYTES = Base64.getDecoder().decode(
40     "yv66vgAAADQAKAoACAARCQASABMIABQKABUAFgsAFwAYCAAZBwAbBwAeAQAGPGluaXQ+AQADKClW" +
41     "AQAEQ29kZQEAD0xpbmVOdW1iZXJUYWJsZQEABXNheUhpAQAXKExqYXZhL2xhbmcvUnVubmFibGU7" +
42     "KVYBAApTb3VyY2VGaWxlAQAMVGVzdDkxNC5qYXZhDAAJAAoHAB8MACAAIQEAE0hlbGxvIC0gVHJh" +
43     "bnNmb3JtZWQHACIMACMAJAcAJQwAJgAKAQAVR29vZGJ5ZSAtIFRyYW5zZm9ybWVkBwAnAQAVYXJ0" +
44     "L1Rlc3Q5MTQkVHJhbnNmb3JtAQAJVHJhbnNmb3JtAQAMSW5uZXJDbGFzc2VzAQAQamF2YS9sYW5n" +
45     "L09iamVjdAEAEGphdmEvbGFuZy9TeXN0ZW0BAANvdXQBABVMamF2YS9pby9QcmludFN0cmVhbTsB" +
46     "ABNqYXZhL2lvL1ByaW50U3RyZWFtAQAHcHJpbnRsbgEAFShMamF2YS9sYW5nL1N0cmluZzspVgEA" +
47     "EmphdmEvbGFuZy9SdW5uYWJsZQEAA3J1bgEAC2FydC9UZXN0OTE0ACAABwAIAAAAAAACAAAACQAK" +
48     "AAEACwAAAB0AAQABAAAABSq3AAGxAAAAAQAMAAAABgABAAAABQABAA0ADgABAAsAAAA7AAIAAgAA" +
49     "ABeyAAISA7YABCu5AAUBALIAAhIGtgAEsQAAAAEADAAAABIABAAAAAcACAAIAA4ACQAWAAoAAgAP" +
50     "AAAAAgAQAB0AAAAKAAEABwAaABwACA==");
51   private static final byte[] DEX_BYTES = Base64.getDecoder().decode(
52     "ZGV4CjAzNQBlmxNYAAAAAAAAAAAAAAAAAAAAAAAAAAA8BAAAcAAAAHhWNBIAAAAAAAAAAHgDAAAX" +
53     "AAAAcAAAAAoAAADMAAAAAwAAAPQAAAABAAAAGAEAAAUAAAAgAQAAAQAAAEgBAADUAgAAaAEAAGgB" +
54     "AABwAQAAhwEAAJwBAAC1AQAAxAEAAOgBAAAIAgAAHwIAADMCAABJAgAAXQIAAHECAAB/AgAAigIA" +
55     "AI0CAACRAgAAngIAAKQCAACpAgAAsgIAALcCAAC+AgAAAwAAAAQAAAAFAAAABgAAAAcAAAAIAAAA" +
56     "CQAAAAoAAAALAAAADgAAAA4AAAAJAAAAAAAAAA8AAAAJAAAAyAIAAA8AAAAJAAAA0AIAAAgABAAS" +
57     "AAAAAAAAAAAAAAAAAAEAFQAAAAQAAgATAAAABQAAAAAAAAAGAAAAFAAAAAAAAAAAAAAABQAAAAAA" +
58     "AAAMAAAAaAMAADwDAAAAAAAABjxpbml0PgAVR29vZGJ5ZSAtIFRyYW5zZm9ybWVkABNIZWxsbyAt" +
59     "IFRyYW5zZm9ybWVkABdMYXJ0L1Rlc3Q5MTQkVHJhbnNmb3JtOwANTGFydC9UZXN0OTE0OwAiTGRh" +
60     "bHZpay9hbm5vdGF0aW9uL0VuY2xvc2luZ0NsYXNzOwAeTGRhbHZpay9hbm5vdGF0aW9uL0lubmVy" +
61     "Q2xhc3M7ABVMamF2YS9pby9QcmludFN0cmVhbTsAEkxqYXZhL2xhbmcvT2JqZWN0OwAUTGphdmEv" +
62     "bGFuZy9SdW5uYWJsZTsAEkxqYXZhL2xhbmcvU3RyaW5nOwASTGphdmEvbGFuZy9TeXN0ZW07AAxU" +
63     "ZXN0OTE0LmphdmEACVRyYW5zZm9ybQABVgACVkwAC2FjY2Vzc0ZsYWdzAARuYW1lAANvdXQAB3By" +
64     "aW50bG4AA3J1bgAFc2F5SGkABXZhbHVlAAAAAAEAAAAGAAAAAQAAAAcAAAAFAAcOAAcBAAcOAQgP" +
65     "AQMPAQgPAAEAAQABAAAA2AIAAAQAAABwEAMAAAAOAAQAAgACAAAA3QIAABQAAABiAAAAGwECAAAA" +
66     "biACABAAchAEAAMAYgAAABsBAQAAAG4gAgAQAA4AAAABAQCAgATsBQEBhAYAAAICARYYAQIDAhAE" +
67     "CBEXDQACAAAATAMAAFIDAABcAwAAAAAAAAAAAAAAAAAAEAAAAAAAAAABAAAAAAAAAAEAAAAXAAAA" +
68     "cAAAAAIAAAAKAAAAzAAAAAMAAAADAAAA9AAAAAQAAAABAAAAGAEAAAUAAAAFAAAAIAEAAAYAAAAB" +
69     "AAAASAEAAAIgAAAXAAAAaAEAAAEQAAACAAAAyAIAAAMgAAACAAAA2AIAAAEgAAACAAAA7AIAAAAg" +
70     "AAABAAAAPAMAAAQgAAACAAAATAMAAAMQAAABAAAAXAMAAAYgAAABAAAAaAMAAAAQAAABAAAAeAMA" +
71     "AA==");
72 
run()73   public static void run() {
74     Redefinition.setTestConfiguration(Redefinition.Config.COMMON_REDEFINE);
75     doTest(new Transform());
76   }
77 
doTest(Transform t)78   public static void doTest(Transform t) {
79     t.sayHi(() -> { System.out.println("Not doing anything here"); });
80     t.sayHi(() -> {
81       System.out.println("transforming calling function");
82       Redefinition.doCommonClassRedefinition(Transform.class, CLASS_BYTES, DEX_BYTES);
83     });
84     t.sayHi(() -> { System.out.println("Not doing anything here"); });
85   }
86 }
87