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 public class Main {
main(String[] args)18   public static void main(String[] args) throws Exception {
19     System.loadLibrary(args[0]);
20     // Loop enough to get Itf.foo JITed.
21     for (int i = 0; i < 100000; i++) {
22       Itf.foo(new Object());
23     }
24 
25     ensureJitCompiled(Itf.class, "foo");
26 
27     if (!Itf.foo(new Object())) {
28       throw new Error("Unexpected result");
29     }
30   }
31 
ensureJitCompiled(Class<?> itf, String method_name)32   private static native void ensureJitCompiled(Class<?> itf, String method_name);
33 }
34 
35 interface Itf {
foo(Object o)36   public static boolean foo(Object o) {
37     return o.equals(o);
38   }
39 }
40