1 /*
2  * Copyright (C) 2017 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 java.util.Arrays;
18 
19 public class Main {
main(String[] args)20   public static void main(String[] args) throws Exception {
21     doTest();
22   }
23 
doTest()24   private static void doTest() throws Exception {
25     doTest(true, "B");
26     doTest(false, "A");
27     System.out.println("Done");
28   }
29 
doTest(boolean boot, String className)30   private static void doTest(boolean boot, String className) throws Exception {
31     ClassLoader expectedClassLoader;
32     if (boot) {
33       expectedClassLoader = Object.class.getClassLoader();
34     } else {
35       expectedClassLoader = ClassLoader.getSystemClassLoader();
36     }
37 
38     Class<?> c = Class.forName(className, false, ClassLoader.getSystemClassLoader());
39     if (c.getClassLoader() != expectedClassLoader) {
40       throw new RuntimeException(className + "(" + boot + "): " +
41           c.getClassLoader() + " vs " + expectedClassLoader);
42     } else {
43       System.out.println(className + " was loaded with " + (boot ? "boot" : "system") +
44           " classloader");
45     }
46   }
47 }
48