ControlBarTest.java revision 6e28bd2903a19cd4560d94413161bd3fa36542e6 
1/*
2 * Copyright (C) 2017 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 */
16package android.support.v17.leanback.widget;
17
18import static junit.framework.Assert.assertEquals;
19import static junit.framework.Assert.assertFalse;
20import static junit.framework.Assert.assertSame;
21import static junit.framework.Assert.assertTrue;
22
23import android.content.Context;
24import android.support.test.InstrumentationRegistry;
25import android.support.test.filters.SmallTest;
26import android.support.test.runner.AndroidJUnit4;
27import android.view.View;
28import android.widget.Button;
29import android.widget.LinearLayout;
30import android.widget.TextView;
31
32import org.junit.Test;
33import org.junit.runner.RunWith;
34
35import java.util.ArrayList;
36
37@SmallTest
38@RunWith(AndroidJUnit4.class)
39
40public class ControlBarTest {
41
42    @Test
43    public void defaultFocus() {
44        Context context = InstrumentationRegistry.getTargetContext();
45        final ControlBar bar = new ControlBar(context, null);
46        final TextView v1 = new Button(context);
47        bar.addView(v1, 100, 100);
48        final TextView v2 = new Button(context);
49        bar.addView(v2, 100, 100);
50        final TextView v3 = new Button(context);
51        bar.addView(v3, 100, 100);
52        InstrumentationRegistry.getInstrumentation().runOnMainSync(
53                new Runnable() {
54                    @Override
55                    public void run() {
56                        bar.requestFocus(View.FOCUS_DOWN);
57                    }
58                }
59        );
60        assertTrue(v2.hasFocus());
61    }
62
63    @Test
64    public void persistFocus() {
65        Context context = InstrumentationRegistry.getTargetContext();
66        final LinearLayout rootView = new LinearLayout(context);
67        final ControlBar bar = new ControlBar(context, null);
68        rootView.addView(bar, 800, 100);
69        final Button barSibling = new Button(context);
70        rootView.addView(barSibling, 100, 100);
71        final TextView v1 = new Button(context);
72        bar.addView(v1, 100, 100);
73        final TextView v2 = new Button(context);
74        bar.addView(v2, 100, 100);
75        final TextView v3 = new Button(context);
76        bar.addView(v3, 100, 100);
77        InstrumentationRegistry.getInstrumentation().runOnMainSync(
78                new Runnable() {
79                    @Override
80                    public void run() {
81                        v3.requestFocus(View.FOCUS_DOWN);
82                    }
83                }
84        );
85        InstrumentationRegistry.getInstrumentation().runOnMainSync(
86                new Runnable() {
87                    @Override
88                    public void run() {
89                        barSibling.requestFocus();
90                    }
91                }
92        );
93        assertFalse(bar.hasFocus());
94        InstrumentationRegistry.getInstrumentation().runOnMainSync(
95                new Runnable() {
96                    @Override
97                    public void run() {
98                        bar.requestFocus(View.FOCUS_RIGHT);
99                    }
100                }
101        );
102        assertTrue(v3.hasFocus());
103    }
104
105    @Test
106    public void getFocusables() {
107        Context context = InstrumentationRegistry.getTargetContext();
108        final LinearLayout rootView = new LinearLayout(context);
109        final ControlBar bar = new ControlBar(context, null);
110        rootView.addView(bar, 800, 100);
111        final Button barSibling = new Button(context);
112        rootView.addView(barSibling, 100, 100);
113        final TextView v1 = new Button(context);
114        bar.addView(v1, 100, 100);
115        final TextView v2 = new Button(context);
116        bar.addView(v2, 100, 100);
117        final TextView v3 = new Button(context);
118        bar.addView(v3, 100, 100);
119
120        ArrayList<View> focusables = new ArrayList();
121        bar.addFocusables(focusables, View.FOCUS_DOWN);
122        assertEquals(1, focusables.size());
123        assertSame(focusables.get(0), v2);
124        focusables.clear();
125        bar.addFocusables(focusables, View.FOCUS_UP);
126        assertEquals(1, focusables.size());
127        assertSame(focusables.get(0), v2);
128        focusables.clear();
129        bar.addFocusables(focusables, View.FOCUS_LEFT);
130        assertEquals(3, focusables.size());
131        focusables.clear();
132        bar.addFocusables(focusables, View.FOCUS_RIGHT);
133        assertEquals(3, focusables.size());
134
135        InstrumentationRegistry.getInstrumentation().runOnMainSync(
136                new Runnable() {
137                    @Override
138                    public void run() {
139                        v3.requestFocus(View.FOCUS_DOWN);
140                    }
141                }
142        );
143        InstrumentationRegistry.getInstrumentation().runOnMainSync(
144                new Runnable() {
145                    @Override
146                    public void run() {
147                        barSibling.requestFocus();
148                    }
149                }
150        );
151        assertFalse(bar.hasFocus());
152        focusables.clear();
153        bar.addFocusables(focusables, View.FOCUS_DOWN);
154        assertEquals(1, focusables.size());
155        assertSame(focusables.get(0), v3);
156        focusables.clear();
157        bar.addFocusables(focusables, View.FOCUS_UP);
158        assertEquals(1, focusables.size());
159        assertSame(focusables.get(0), v3);
160        focusables.clear();
161        bar.addFocusables(focusables, View.FOCUS_LEFT);
162        assertEquals(3, focusables.size());
163        focusables.clear();
164        bar.addFocusables(focusables, View.FOCUS_RIGHT);
165        assertEquals(3, focusables.size());
166
167    }
168}
169