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 import dalvik.annotation.optimization.FastNative;
18 
19 public class Main {
main(String[] args)20   public static void main(String[] args) throws Exception {
21     // Regression test for instrumentation installing exit handler for transition
22     // from the suspend check runtime frame to the JNI stub for @FastNative method.
23     Thread t = new Thread() {
24       public void run() {
25         Integer i = fastNativeSleepAndReturnInteger42();
26         if (i != 42) {
27           throw new Error("Expected 42, got " + i);
28         }
29       }
30     };
31     t.start();
32 
33     art.Test2005.run();
34 
35     t.join();
36   }
37 
38   @FastNative
fastNativeSleepAndReturnInteger42()39   public static native Integer fastNativeSleepAndReturnInteger42();
40 }
41