1 /*
2  * Copyright (C) 2019 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 foobar;
18 import art.Breakpoint;
19 import art.StackTrace;
20 
21 public class NewClass {
sayHi()22   static void sayHi() throws Exception {
23     System.out.println("Hello from NewClass sayHi function");
24     // Doing this would be nice but it would make compiling the test more tricky. Just use
25     // reflection and check the classloader is the same.
26     // TestClass.sayBye();
27     StackTrace.StackFrameData[] stack = StackTrace.GetStackTrace(Thread.currentThread());
28     StackTrace.StackFrameData caller = null;
29     System.out.println("Nearby stack:");
30     for (StackTrace.StackFrameData sfd : stack) {
31       String caller_name = sfd.method.getDeclaringClass().getName();
32       if (caller_name.startsWith("art.") || caller_name.startsWith("foobar.")) {
33         System.out.println("\t" + sfd.method + "(line: " +
34                            Breakpoint.locationToLine(sfd.method, sfd.current_location) + ")");
35         caller = sfd;
36       } else {
37         break;
38       }
39     }
40     if (NewClass.class.getClassLoader() != caller.method.getDeclaringClass().getClassLoader()) {
41       System.out.println("Different classloader for TestClass and my class.");
42     }
43   }
44 }