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      1 /*
      2  * Copyright (C) 2012 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 package com.android.test;
     17 
     18 import android.app.Instrumentation;
     19 import android.test.InstrumentationTestCase;
     20 
     21 import junit.framework.Test;
     22 
     23 import org.junit.Before;
     24 
     25 import java.lang.annotation.ElementType;
     26 import java.lang.annotation.Retention;
     27 import java.lang.annotation.RetentionPolicy;
     28 import java.lang.annotation.Target;
     29 
     30 /**
     31  * Use this to inject an {@link Instrumentation} into your JUnit4-style test.
     32  * <p/>
     33  * To use, just add the correct annotation to an {@link Instrumentation} field like this:
     34  * <pre>
     35  *     &#64;InjectInstrumentation public Instrumentation mMyInstrumentation;
     36  * </pre>
     37  * <p/>
     38  * The test runner will set the value of this field with the {@link Instrumentation} after
     39  * object construction but before any {@link Before} methods are called.
     40  * <p/>
     41  * Declaring this in a JUnit3 test (ie a class that is a {@link Test}) will have no effect.
     42  * Use {@link InstrumentationTestCase} instead for JUnit3 style tests.
     43  */
     44 @Retention(RetentionPolicy.RUNTIME)
     45 @Target(ElementType.FIELD)
     46 public @interface InjectInstrumentation {
     47 
     48 }
     49