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      1 /*
      2  * Copyright (C) 2007 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 package org.apache.harmony.dalvik;
     18 
     19 /**
     20  * Methods used to test calling into native code. The methods in this
     21  * class are all effectively no-ops and may be used to test the mechanisms
     22  * and performance of calling native methods.
     23  */
     24 public final class NativeTestTarget {
     25     public NativeTestTarget() {
     26     }
     27 
     28     public static native synchronized void emptyJniStaticSynchronizedMethod0();
     29 
     30     public native synchronized void emptyJniSynchronizedMethod0();
     31 
     32     public static native void emptyJniStaticMethod0();
     33 
     34     public native void emptyJniMethod0();
     35 
     36     public static native void emptyJniStaticMethod6(int a, int b, int c, int d, int e, int f);
     37 
     38     public native void emptyJniMethod6(int a, int b, int c, int d, int e, int f);
     39 
     40     /**
     41      * This is an empty native static method with six args, hooked up
     42      * using JNI. These have more complex args to show the cost of
     43      * parsing the signature. All six values should be null
     44      * references.
     45      */
     46     public static native void emptyJniStaticMethod6L(String a, String[] b,
     47         int[][] c, Object d, Object[] e, Object[][][][] f);
     48 
     49     public native void emptyJniMethod6L(String a, String[] b,
     50         int[][] c, Object d, Object[] e, Object[][][][] f);
     51 
     52     /**
     53      * This is used to benchmark dalvik's inline natives.
     54      */
     55     public static void emptyInlineMethod() {
     56     }
     57 
     58     /**
     59      * This is used to benchmark dalvik's inline natives.
     60      */
     61     public static native void emptyInternalStaticMethod();
     62 }
     63