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 
21     // With a relocationDelta of 0, the runtime has no way to determine if the oat file in
22     // ANDROID_DATA has been relocated, since a non-relocated oat file always has a 0 delta.
23     // Hitting this condition should be rare and ideally we would prevent it from happening but
24     // there is no way to do so without major changes to the run-test framework.
25     boolean executable_correct = (needsRelocation() ?
26         hasExecutableOat() == (isDex2OatEnabled() || isRelocationDeltaZero()) :
27         hasExecutableOat() == true);
28 
29     System.out.println(
30         "dex2oat & patchoat are " + ((isDex2OatEnabled()) ? "enabled" : "disabled") +
31         ", has oat is " + hasOatFile() + ", has executable oat is " + (
32         executable_correct ? "expected" : "not expected") + ".");
33 
34     if (!hasOatFile() && isDex2OatEnabled()) {
35       throw new Error("Application with dex2oat enabled runs without an oat file");
36     }
37 
38     System.out.println(functionCall());
39   }
40 
functionCall()41   public static String functionCall() {
42     String arr[] = {"This", "is", "a", "function", "call"};
43     String ret = "";
44     for (int i = 0; i < arr.length; i++) {
45       ret = ret + arr[i] + " ";
46     }
47     return ret.substring(0, ret.length() - 1);
48   }
49 
isDex2OatEnabled()50   private native static boolean isDex2OatEnabled();
51 
needsRelocation()52   private native static boolean needsRelocation();
53 
hasOatFile()54   private native static boolean hasOatFile();
55 
hasExecutableOat()56   private native static boolean hasExecutableOat();
57 
isRelocationDeltaZero()58   private native static boolean isRelocationDeltaZero();
59 }
60