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      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 
     17 package android.widget.focus;
     18 
     19 import android.widget.focus.ListOfButtons;
     20 import com.android.frameworks.coretests.R;
     21 
     22 import android.test.ActivityInstrumentationTestCase2;
     23 import android.test.suitebuilder.annotation.MediumTest;
     24 import android.widget.ListAdapter;
     25 import android.widget.Button;
     26 import android.widget.ListView;
     27 import android.view.KeyEvent;
     28 import 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  */
     34 public 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