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 
17 package android.test;
18 
19 import android.app.Activity;
20 
21 import java.lang.reflect.Field;
22 import java.lang.reflect.Modifier;
23 
24 /**
25  * This is common code used to support Activity test cases.  For more useful classes, please see
26  * {@link android.test.ActivityUnitTestCase} and
27  * {@link android.test.ActivityInstrumentationTestCase}.
28  *
29  * @deprecated New tests should be written using the
30  * <a href="{@docRoot}tools/testing-support-library/index.html">Android Testing Support Library</a>.
31  */
32 @Deprecated
33 public abstract class ActivityTestCase extends InstrumentationTestCase {
34 
35     /**
36      * The activity that will be set up for use in each test method.
37      */
38     private Activity mActivity;
39 
40     /**
41      * @return Returns the activity under test.
42      */
getActivity()43     protected Activity getActivity() {
44         return mActivity;
45     }
46 
47     /**
48      * Set the activity under test.
49      * @param testActivity The activity under test
50      */
setActivity(Activity testActivity)51     protected void setActivity(Activity testActivity) {
52         mActivity = testActivity;
53     }
54 
55     /**
56      * This function is called by various TestCase implementations, at tearDown() time, in order
57      * to scrub out any class variables.  This protects against memory leaks in the case where a
58      * test case creates a non-static inner class (thus referencing the test case) and gives it to
59      * someone else to hold onto.
60      *
61      * @param testCaseClass The class of the derived TestCase implementation.
62      *
63      * @throws IllegalAccessException
64      */
scrubClass(final Class<?> testCaseClass)65     protected void scrubClass(final Class<?> testCaseClass)
66     throws IllegalAccessException {
67         final Field[] fields = getClass().getDeclaredFields();
68         for (Field field : fields) {
69             final Class<?> fieldClass = field.getDeclaringClass();
70             if (testCaseClass.isAssignableFrom(fieldClass) && !field.getType().isPrimitive()
71                     && (field.getModifiers() & Modifier.FINAL) == 0) {
72                 try {
73                     field.setAccessible(true);
74                     field.set(this, null);
75                 } catch (Exception e) {
76                     android.util.Log.d("TestCase", "Error: Could not nullify field!");
77                 }
78 
79                 if (field.get(this) != null) {
80                     android.util.Log.d("TestCase", "Error: Could not nullify field!");
81                 }
82             }
83         }
84     }
85 
86 
87 
88 }
89