ListOfButtonsTest.java revision 4213804541a8b05cd0587b138a2fd9a3b7fd9350 
1/*
2 * Copyright (C) 2007 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.widget.focus;
18
19import android.widget.focus.ListOfButtons;
20import com.android.frameworks.coretests.R;
21
22import android.test.ActivityInstrumentationTestCase2;
23import android.test.suitebuilder.annotation.MediumTest;
24import android.widget.ListAdapter;
25import android.widget.Button;
26import android.widget.ListView;
27import android.view.KeyEvent;
28import android.view.View;
29
30/**
31 * Tests that focus works as expected when navigating into and out of
32 * a {@link ListView} that has buttons in it.
33 */
34public class ListOfButtonsTest extends ActivityInstrumentationTestCase2<ListOfButtons> {
35
36    private ListAdapter mListAdapter;
37    private Button mButtonAtTop;
38
39    private ListView mListView;
40
41    public ListOfButtonsTest() {
42        super(ListOfButtons.class);
43    }
44
45    @Override
46    protected void setUp() throws Exception {
47        super.setUp();
48
49        ListOfButtons a = getActivity();
50        getInstrumentation().waitForIdleSync();
51        mListAdapter = a.getListAdapter();
52        mButtonAtTop = (Button) a.findViewById(R.id.button);
53        mListView = a.getListView();
54    }
55
56    @MediumTest
57    public void testPreconditions() {
58        assertNotNull(mListAdapter);
59        assertNotNull(mButtonAtTop);
60        assertNotNull(mListView);
61
62        assertFalse(mButtonAtTop.hasFocus());
63        assertTrue(mListView.hasFocus());
64        assertEquals("expecting 0 index to be selected",
65                0, mListView.getSelectedItemPosition());
66    }
67
68    @MediumTest
69    public void testNavigateToButtonAbove() {
70        sendKeys(KeyEvent.KEYCODE_DPAD_UP);
71
72        assertTrue(mButtonAtTop.hasFocus());
73        assertFalse(mListView.hasFocus());
74    }
75
76    @MediumTest
77    public void testNavigateToSecondItem() {
78        sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
79
80        assertTrue(mListView.hasFocus());
81
82        View childOne = mListView.getChildAt(1);
83        assertNotNull(childOne);
84        assertEquals(childOne, mListView.getFocusedChild());
85        assertTrue(childOne.hasFocus());
86    }
87
88    @MediumTest
89    public void testNavigateUpAboveAndBackOut() {
90        sendKeys(KeyEvent.KEYCODE_DPAD_UP);
91        sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
92
93        assertFalse("button at top should have focus back",
94                mButtonAtTop.hasFocus());
95        assertTrue(mListView.hasFocus());
96    }
97
98    // TODO: this reproduces bug 981791
99    public void TODO_testNavigateThroughAllButtonsAndBack() {
100
101        String[] labels = getActivity().getLabels();
102        for (int i = 0; i < labels.length; i++) {
103            String label = labels[i];
104            sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
105            getInstrumentation().waitForIdleSync();
106
107            String indexInfo = "index: " + i + ", label: " + label;
108
109            assertTrue(indexInfo, mListView.hasFocus());
110
111            Button button = (Button) mListView.getSelectedView();
112            assertNotNull(indexInfo, button);
113            assertEquals(indexInfo, label, button.getText().toString());
114            assertTrue(indexInfo, button.hasFocus());
115        }
116
117        // pressing down again shouldn't matter; make sure last item keeps focus
118        sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
119
120
121        for (int i = labels.length - 1; i >= 0; i--) {
122            String label = labels[i];
123
124            String indexInfo = "index: " + i + ", label: " + label;
125
126            assertTrue(indexInfo, mListView.hasFocus());
127
128            Button button = (Button) mListView.getSelectedView();
129            assertNotNull(indexInfo, button);
130            assertEquals(indexInfo, label, button.getText().toString());
131            assertTrue(indexInfo, button.hasFocus());
132
133            sendKeys(KeyEvent.KEYCODE_DPAD_UP);
134            getInstrumentation().waitForIdleSync();
135        }
136
137        assertTrue("button at top should have focus back",
138                mButtonAtTop.hasFocus());
139        assertFalse(mListView.hasFocus());
140    }
141
142    @MediumTest
143    public void testGoInAndOutOfListWithItemsFocusable() {
144
145        sendKeys(KeyEvent.KEYCODE_DPAD_UP);
146
147        assertTrue(mButtonAtTop.hasFocus());
148
149        sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
150
151        final String firstButtonLabel = getActivity().getLabels()[0];
152        final Button firstButton = (Button) mListView.getSelectedView();
153
154        assertTrue(firstButton.isFocused());
155        assertEquals(firstButtonLabel, firstButton.getText());
156
157        sendKeys(KeyEvent.KEYCODE_DPAD_UP);
158        assertTrue(mButtonAtTop.isFocused());
159
160        sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
161        assertTrue(firstButton.isFocused());
162
163        sendKeys(KeyEvent.KEYCODE_DPAD_UP);
164        assertTrue(mButtonAtTop.isFocused());
165
166        sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
167        assertTrue(firstButton.isFocused());
168    }
169
170
171}
172