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 Test1937 {
21 
22   private static final boolean PRINT_MESSAGE = false;
23 
24   static class Transform {
sayHi()25     public void sayHi() {
26       // Use lower 'h' to make sure the string will have a different string id
27       // than the transformation (the transformation code is the same except
28       // the actual printed String, which was making the test inacurately passing
29       // in JIT mode when loading the string from the dex cache, as the string ids
30       // of the two different strings were the same).
31       // We know the string ids will be different because lexicographically:
32       // "Goodbye" < "LTransform;" < "hello".
33       System.out.println("hello");
34     }
35   }
36 
37   /**
38    * base64 encoded class/dex file for
39    * class Transform {
40    *   public void sayHi() {
41    *    System.out.println("throwing");
42    *    Redefinition.notPresent();
43    *   }
44    * }
45    */
46   private static final byte[] CLASS_BYTES = Base64.getDecoder().decode(
47     "yv66vgAAADQAJQoABwAPCQAQABEIABIKABMAFAoAFQAWBwAYBwAbAQAGPGluaXQ+AQADKClWAQAE" +
48     "Q29kZQEAD0xpbmVOdW1iZXJUYWJsZQEABXNheUhpAQAKU291cmNlRmlsZQEADVRlc3QxOTM3Lmph" +
49     "dmEMAAgACQcAHAwAHQAeAQAIdGhyb3dpbmcHAB8MACAAIQcAIgwAIwAJBwAkAQAWYXJ0L1Rlc3Qx" +
50     "OTM3JFRyYW5zZm9ybQEACVRyYW5zZm9ybQEADElubmVyQ2xhc3NlcwEAEGphdmEvbGFuZy9PYmpl" +
51     "Y3QBABBqYXZhL2xhbmcvU3lzdGVtAQADb3V0AQAVTGphdmEvaW8vUHJpbnRTdHJlYW07AQATamF2" +
52     "YS9pby9QcmludFN0cmVhbQEAB3ByaW50bG4BABUoTGphdmEvbGFuZy9TdHJpbmc7KVYBABBhcnQv" +
53     "UmVkZWZpbml0aW9uAQAKbm90UHJlc2VudAEADGFydC9UZXN0MTkzNwAgAAYABwAAAAAAAgAAAAgA" +
54     "CQABAAoAAAAdAAEAAQAAAAUqtwABsQAAAAEACwAAAAYAAQAAACMAAQAMAAkAAQAKAAAALAACAAEA" +
55     "AAAMsgACEgO2AAS4AAWxAAAAAQALAAAADgADAAAAJQAIACYACwAnAAIADQAAAAIADgAaAAAACgAB" +
56     "AAYAFwAZAAg=");
57   private static final byte[] DEX_BYTES = Base64.getDecoder().decode(
58     "ZGV4CjAzNQDfmxvwUHv7EEBCvzjdM/uAviWG8eIsKIbsAwAAcAAAAHhWNBIAAAAAAAAAACgDAAAW" +
59     "AAAAcAAAAAoAAADIAAAAAgAAAPAAAAABAAAACAEAAAUAAAAQAQAAAQAAADgBAACUAgAAWAEAALoB" +
60     "AADCAQAA1gEAAPABAAAAAgAAJAIAAEQCAABbAgAAbwIAAIMCAACXAgAApgIAALECAAC0AgAAuAIA" +
61     "AMUCAADLAgAA1wIAANwCAADlAgAA7AIAAPYCAAABAAAAAgAAAAMAAAAEAAAABQAAAAYAAAAHAAAA" +
62     "CAAAAAkAAAAMAAAADAAAAAkAAAAAAAAADQAAAAkAAAC0AQAACAAFABEAAAAAAAAAEAAAAAEAAAAA" +
63     "AAAAAQAAABMAAAAFAAEAEgAAAAYAAAAAAAAAAQAAAAAAAAAGAAAAAAAAAAoAAACkAQAAGAMAAAAA" +
64     "AAACAAAACQMAAA8DAAABAAEAAQAAAP0CAAAEAAAAcBAEAAAADgADAAEAAgAAAAIDAAALAAAAYgAA" +
65     "ABoBFABuIAMAEABxAAAAAAAOAAAAWAEAAAAAAAAAAAAAAAAAAAEAAAAHAAY8aW5pdD4AEkxhcnQv" +
66     "UmVkZWZpbml0aW9uOwAYTGFydC9UZXN0MTkzNyRUcmFuc2Zvcm07AA5MYXJ0L1Rlc3QxOTM3OwAi" +
67     "TGRhbHZpay9hbm5vdGF0aW9uL0VuY2xvc2luZ0NsYXNzOwAeTGRhbHZpay9hbm5vdGF0aW9uL0lu" +
68     "bmVyQ2xhc3M7ABVMamF2YS9pby9QcmludFN0cmVhbTsAEkxqYXZhL2xhbmcvT2JqZWN0OwASTGph" +
69     "dmEvbGFuZy9TdHJpbmc7ABJMamF2YS9sYW5nL1N5c3RlbTsADVRlc3QxOTM3LmphdmEACVRyYW5z" +
70     "Zm9ybQABVgACVkwAC2FjY2Vzc0ZsYWdzAARuYW1lAApub3RQcmVzZW50AANvdXQAB3ByaW50bG4A" +
71     "BXNheUhpAAh0aHJvd2luZwAFdmFsdWUAIwAHDgAlAAcOeDwAAgMBFRgCAgQCDgQIDxcLAAABAQGA" +
72     "gATkAgIB/AIAABAAAAAAAAAAAQAAAAAAAAABAAAAFgAAAHAAAAACAAAACgAAAMgAAAADAAAAAgAA" +
73     "APAAAAAEAAAAAQAAAAgBAAAFAAAABQAAABABAAAGAAAAAQAAADgBAAADEAAAAQAAAFgBAAABIAAA" +
74     "AgAAAGQBAAAGIAAAAQAAAKQBAAABEAAAAQAAALQBAAACIAAAFgAAALoBAAADIAAAAgAAAP0CAAAE" +
75     "IAAAAgAAAAkDAAAAIAAAAQAAABgDAAAAEAAAAQAAACgDAAA=");
76 
run()77   public static void run() {
78     Redefinition.setTestConfiguration(Redefinition.Config.COMMON_REDEFINE);
79     doTest(new Transform());
80   }
81 
doTest(Transform t)82   public static void doTest(Transform t) {
83     t.sayHi();
84     Redefinition.doCommonClassRedefinition(Transform.class, CLASS_BYTES, DEX_BYTES);
85     try {
86       t.sayHi();
87     } catch (Throwable e) {
88       System.out.println("Caught exception " + e.getClass().getName());
89       if (PRINT_MESSAGE) {
90         System.out.println("Message: " + e.getMessage());
91       }
92     }
93   }
94 }
95