1 /*
2  * Copyright (C) 2020 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 Test2036 {
22   public static class Transform {
Transform()23     public Transform() {}
24   }
25 
26   public static class SubTransform extends Transform {
SubTransform()27     public SubTransform() {}
28 
FooBar()29     public static int FooBar() {
30       return 1337;
31     }
32 
33     public int foo = 42;
34     public static double STATIC_FOO = 3.14d;
35   }
36 
37   public static class SubSubTransform extends SubTransform {
SubSubTransform()38     public SubSubTransform() {}
39   }
40 
41   public static class SubSubSubTransform extends SubSubTransform {
SubSubSubTransform()42     public SubSubSubTransform() {}
43 
getFoo()44     public int getFoo() {
45       return this.foo;
46     }
47   }
48   /*
49    * base64 encoded class/dex file for
50    * Base64 generated using:
51    * % javac Test2036.java
52    * % d8 Test2035\$Transform.class
53    * % base64 classes.dex| sed 's:^:":' | sed 's:$:" +:'
54    *
55    * package art;
56    * public static class Transform {
57    *   public Transform() {}
58    *   public int bar;
59    * }
60    */
61   private static final byte[] DEX_BYTES =
62       Base64.getDecoder()
63           .decode(
64               "ZGV4CjAzNQAZlSz5hewOnpRnplr0AnEqh8+AKNc2qhp0AwAAcAAAAHhWNBIAAAAAAAAAALwCAAAP"
65                   + "AAAAcAAAAAcAAACsAAAAAQAAAMgAAAABAAAA1AAAAAIAAADcAAAAAQAAAOwAAABoAgAADAEAACgB"
66                   + "AAAwAQAAMwEAAE0BAABdAQAAgQEAAKEBAAC1AQAAxAEAAM8BAADSAQAA3wEAAOQBAADqAQAA8QEA"
67                   + "AAEAAAACAAAAAwAAAAQAAAAFAAAABgAAAAkAAAAJAAAABgAAAAAAAAABAAAACwAAAAEAAAAAAAAA"
68                   + "BQAAAAAAAAABAAAAAQAAAAUAAAAAAAAABwAAAKwCAACOAgAAAAAAAAEAAQABAAAAJAEAAAQAAABw"
69                   + "EAEAAAAOABgADgAGPGluaXQ+AAFJABhMYXJ0L1Rlc3QyMDM2JFRyYW5zZm9ybTsADkxhcnQvVGVz"
70                   + "dDIwMzY7ACJMZGFsdmlrL2Fubm90YXRpb24vRW5jbG9zaW5nQ2xhc3M7AB5MZGFsdmlrL2Fubm90"
71                   + "YXRpb24vSW5uZXJDbGFzczsAEkxqYXZhL2xhbmcvT2JqZWN0OwANVGVzdDIwMzYuamF2YQAJVHJh"
72                   + "bnNmb3JtAAFWAAthY2Nlc3NGbGFncwADYmFyAARuYW1lAAV2YWx1ZQCLAX5+RDh7ImNvbXBpbGF0"
73                   + "aW9uLW1vZGUiOiJkZWJ1ZyIsImhhcy1jaGVja3N1bXMiOmZhbHNlLCJtaW4tYXBpIjoxLCJzaGEt"
74                   + "MSI6IjJkMDE0MjEyNjVlMjUxMWM5MGUxZTY2NTU0NWEzMzliM2M5OWMwYWYiLCJ2ZXJzaW9uIjoi"
75                   + "Mi4yLjMtZGV2In0AAgMBDRgCAgQCCgQJDBcIAAEBAAABAIGABIwCAAAAAAAAAgAAAH8CAACFAgAA"
76                   + "oAIAAAAAAAAAAAAAAAAAAA8AAAAAAAAAAQAAAAAAAAABAAAADwAAAHAAAAACAAAABwAAAKwAAAAD"
77                   + "AAAAAQAAAMgAAAAEAAAAAQAAANQAAAAFAAAAAgAAANwAAAAGAAAAAQAAAOwAAAABIAAAAQAAAAwB"
78                   + "AAADIAAAAQAAACQBAAACIAAADwAAACgBAAAEIAAAAgAAAH8CAAAAIAAAAQAAAI4CAAADEAAAAgAA"
79                   + "AJwCAAAGIAAAAQAAAKwCAAAAEAAAAQAAALwCAAA=");
80   /*
81    * base64 encoded class/dex file for
82    * Base64 generated using:
83    * % javac Test2036.java
84    * % d8 Test2035\$SubSubTransform.class
85    * % base64 classes.dex| sed 's:^:":' | sed 's:$:" +:'
86    *
87    * package art;
88    * public static class SubSubTransform extends SubTransform {
89    *   public SubTransform() {}
90    *   public static int FooBar() { return 0xDEADBEEF; }
91    *   public int foo;
92    *   public static double STATIC_FOO;
93    * }
94    */
95   private static final byte[] DEX_BYTES_SUB_SUB =
96       Base64.getDecoder()
97           .decode(
98               "ZGV4CjAzNQATpeOoP5d8wSzfcaS99KwXbb1DsEne1tDsAwAAcAAAAHhWNBIAAAAAAAAAADQDAAAS"
99                   + "AAAAcAAAAAgAAAC4AAAAAgAAANgAAAACAAAA8AAAAAMAAAAAAQAAAQAAABgBAAC0AgAAOAEAAHAB"
100                   + "AAB4AQAAewEAAIMBAACGAQAApgEAAMMBAADTAQAA9wEAABcCAAAjAgAANAIAAEMCAABGAgAAUwIA"
101                   + "AFgCAABeAgAAZQIAAAEAAAADAAAABAAAAAUAAAAGAAAABwAAAAgAAAAMAAAAAwAAAAEAAAAAAAAA"
102                   + "DAAAAAcAAAAAAAAAAgAAAAkAAAACAAEADgAAAAIAAQAAAAAAAgAAAAIAAAADAAEAAAAAAAIAAAAB"
103                   + "AAAAAwAAAAAAAAALAAAAJAMAAAIDAAAAAAAAAQAAAAAAAABoAQAABAAAABQA776t3g8AAQABAAEA"
104                   + "AABsAQAABAAAAHAQAgAAAA4AIQAOACAADgAGPGluaXQ+AAFEAAZGb29CYXIAAUkAHkxhcnQvVGVz"
105                   + "dDIwMzYkU3ViU3ViVHJhbnNmb3JtOwAbTGFydC9UZXN0MjAzNiRTdWJUcmFuc2Zvcm07AA5MYXJ0"
106                   + "L1Rlc3QyMDM2OwAiTGRhbHZpay9hbm5vdGF0aW9uL0VuY2xvc2luZ0NsYXNzOwAeTGRhbHZpay9h"
107                   + "bm5vdGF0aW9uL0lubmVyQ2xhc3M7AApTVEFUSUNfRk9PAA9TdWJTdWJUcmFuc2Zvcm0ADVRlc3Qy"
108                   + "MDM2LmphdmEAAVYAC2FjY2Vzc0ZsYWdzAANmb28ABG5hbWUABXZhbHVlAIsBfn5EOHsiY29tcGls"
109                   + "YXRpb24tbW9kZSI6ImRlYnVnIiwiaGFzLWNoZWNrc3VtcyI6ZmFsc2UsIm1pbi1hcGkiOjEsInNo"
110                   + "YS0xIjoiMmQwMTQyMTI2NWUyNTExYzkwZTFlNjY1NTQ1YTMzOWIzYzk5YzBhZiIsInZlcnNpb24i"
111                   + "OiIyLjIuMy1kZXYifQACBQEQGAQCBgINBAkPFwoBAQIAAAkBAQCBgATQAgEJuAIAAAAAAgAAAPMC"
112                   + "AAD5AgAAGAMAAAAAAAAAAAAAAAAAAA8AAAAAAAAAAQAAAAAAAAABAAAAEgAAAHAAAAACAAAACAAA"
113                   + "ALgAAAADAAAAAgAAANgAAAAEAAAAAgAAAPAAAAAFAAAAAwAAAAABAAAGAAAAAQAAABgBAAABIAAA"
114                   + "AgAAADgBAAADIAAAAgAAAGgBAAACIAAAEgAAAHABAAAEIAAAAgAAAPMCAAAAIAAAAQAAAAIDAAAD"
115                   + "EAAAAgAAABQDAAAGIAAAAQAAACQDAAAAEAAAAQAAADQDAAA=");
116 
run()117   public static void run() throws Exception {
118     Redefinition.setTestConfiguration(Redefinition.Config.COMMON_REDEFINE);
119     doTest();
120   }
121 
doTest()122   public static void doTest() throws Exception {
123     SubSubSubTransform t = new SubSubSubTransform();
124     System.out.println("value-getter is " + t.getFoo());
125     System.out.println("value is " + t.foo);
126     System.out.println("static-call is " + SubSubSubTransform.FooBar());
127     System.out.println("static-value is " + SubSubSubTransform.STATIC_FOO);
128     Redefinition.doMultiStructuralClassRedefinition(
129         new Redefinition.DexOnlyClassDefinition(Transform.class, DEX_BYTES),
130         new Redefinition.DexOnlyClassDefinition(SubSubTransform.class, DEX_BYTES_SUB_SUB));
131     System.out.println("value-getter is " + t.getFoo());
132     System.out.println("value is " + t.foo);
133     System.out.println("static-call is " + SubSubSubTransform.FooBar());
134     System.out.println("static-value is " + SubSubSubTransform.STATIC_FOO);
135   }
136 }
137