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.content.Context; 20 import android.test.AndroidTestCase; 21 22 import junit.framework.Test; 23 24 import org.junit.Before; 25 26 import java.lang.annotation.ElementType; 27 import java.lang.annotation.Retention; 28 import java.lang.annotation.RetentionPolicy; 29 import java.lang.annotation.Target; 30 31 /** 32 * Use this to inject a {@link Context} representing {@link Instrumentation#getTargetContext()} 33 * into your JUnit4-style test. 34 * <p/> 35 * To use, just add the correct annotation to an {@link Context} field like this: 36 * <pre> 37 * @InjectContext public Context mMyContext; 38 * </pre> 39 * The test runner will set the value of this field with the {@link Instrumentation} after 40 * object construction but before any {@link Before} methods are called. 41 * <p/> 42 * Declaring this in a JUnit3 test (ie a class that is a {@link Test}) will have no effect. 43 * Use {@link AndroidTestCase} instead for JUnit3 style tests. 44 */ 45 @Retention(RetentionPolicy.RUNTIME) 46 @Target(ElementType.FIELD) 47 public @interface InjectContext { 48 49 } 50