1 /*
2  * Copyright (C) 2023 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 import dalvik.system.VMRuntime;
18 
19 public class Main {
main(String[] args)20     public static void main(String[] args) {
21         VMRuntime.getRuntime().setTargetSdkVersion(0);
22         try {
23             Class classValueClass = Class.forName("java.lang.ClassValue");
24         } catch (ClassNotFoundException ignored) {
25             throw new Error(
26                     "java.lang.ClassValue should be available when targetSdkLevel is not set");
27         }
28 
29         VMRuntime.getRuntime().setTargetSdkVersion(34);
30 
31         try {
32             Class classValueClass = Class.forName("java.lang.ClassValue");
33         } catch (ClassNotFoundException ignored) {
34             throw new Error("java.lang.ClassValue should be available on targetSdkLevel 34");
35         }
36 
37         VMRuntime.getRuntime().setTargetSdkVersion(33);
38         try {
39             Class classValueClass = Class.forName("java.lang.ClassValue");
40             throw new Error("Was able to find " + classValueClass + " on targetSdkLevel 33");
41         } catch (ClassNotFoundException expected) {
42             if (!expected.getMessage().contains("java.lang.ClassValue")) {
43                 throw new Error("Thrown exception should contain class name, but was: " + expected);
44             }
45         }
46     }
47 }
48