1/* 2 * Copyright (C) 2008 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 17package android.test; 18 19import android.app.Activity; 20 21import java.lang.reflect.Field; 22 23/** 24 * This is common code used to support Activity test cases. For more useful classes, please see 25 * {@link android.test.ActivityUnitTestCase} and 26 * {@link android.test.ActivityInstrumentationTestCase}. 27 */ 28public abstract class ActivityTestCase extends InstrumentationTestCase { 29 30 /** 31 * The activity that will be set up for use in each test method. 32 */ 33 private Activity mActivity; 34 35 /** 36 * @return Returns the activity under test. 37 */ 38 protected Activity getActivity() { 39 return mActivity; 40 } 41 42 /** 43 * Set the activity under test. 44 * @param testActivity The activity under test 45 */ 46 protected void setActivity(Activity testActivity) { 47 mActivity = testActivity; 48 } 49 50 /** 51 * This function is called by various TestCase implementations, at tearDown() time, in order 52 * to scrub out any class variables. This protects against memory leaks in the case where a 53 * test case creates a non-static inner class (thus referencing the test case) and gives it to 54 * someone else to hold onto. 55 * 56 * @param testCaseClass The class of the derived TestCase implementation. 57 * 58 * @throws IllegalAccessException 59 */ 60 protected void scrubClass(final Class<?> testCaseClass) 61 throws IllegalAccessException { 62 final Field[] fields = getClass().getDeclaredFields(); 63 for (Field field : fields) { 64 final Class<?> fieldClass = field.getDeclaringClass(); 65 if (testCaseClass.isAssignableFrom(fieldClass) && !field.getType().isPrimitive()) { 66 try { 67 field.setAccessible(true); 68 field.set(this, null); 69 } catch (Exception e) { 70 android.util.Log.d("TestCase", "Error: Could not nullify field!"); 71 } 72 73 if (field.get(this) != null) { 74 android.util.Log.d("TestCase", "Error: Could not nullify field!"); 75 } 76 } 77 } 78 } 79 80 81 82} 83