1 /*
2  * Copyright (C) 2014 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) {
19     System.loadLibrary(args[0]);
20     boolean hasImage = hasImage();
21     System.out.println(
22         "Has image is " + hasImage + ", is image dex2oat enabled is "
23         + isImageDex2OatEnabled() + ".");
24 
25     if (hasImage && !isImageDex2OatEnabled()) {
26       throw new Error("Image with dex2oat disabled runs with an oat file");
27     } else if (!hasImage && isImageDex2OatEnabled()) {
28       throw new Error("Image with dex2oat enabled runs without an oat file");
29     }
30   }
31 
hasImage()32   private native static boolean hasImage();
33 
isImageDex2OatEnabled()34   private native static boolean isImageDex2OatEnabled();
35 }
36