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      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 {
     18   public static void main(String[] args) {
     19     Exception exception = null;
     20     try {
     21       $opt$Throw(new int[1]);
     22     } catch (ArrayIndexOutOfBoundsException e) {
     23       exception = e;
     24     }
     25 
     26     String exceptionMessage = exception.getMessage();
     27 
     28     // Note that it's ART specific to emit the length.
     29     if (exceptionMessage.contains("length")) {
     30       if (!exceptionMessage.contains("length=1")) {
     31         throw new Error("Wrong length in exception message");
     32       }
     33     }
     34 
     35     // Note that it's ART specific to emit the index.
     36     if (exceptionMessage.contains("index")) {
     37       if (!exceptionMessage.contains("index=2")) {
     38         throw new Error("Wrong index in exception message");
     39       }
     40     }
     41   }
     42 
     43   static void $opt$Throw(int[] array) {
     44     // We fetch the length first, to ensure it is in EAX (on x86).
     45     // The pThrowArrayBounds entrypoint expects the index in EAX and the
     46     // length in ECX, and the optimizing compiler used to write to EAX
     47     // before putting the length in ECX.
     48     int length = array.length;
     49     array[2] = 42;
     50   }
     51 }
     52