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;
22import 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
33public 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     */
43    protected Activity getActivity() {
44        return mActivity;
45    }
46
47    /**
48     * Set the activity under test.
49     * @param testActivity The activity under test
50     */
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     */
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