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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.listview;
     18 
     19 import android.test.ActivityInstrumentationTestCase;
     20 import android.test.suitebuilder.annotation.MediumTest;
     21 import android.widget.ListView;
     22 import android.widget.ListAdapter;
     23 import android.widget.ArrayAdapter;
     24 
     25 public class ListFocusableTest extends ActivityInstrumentationTestCase<ListTopGravity> {
     26     private ListTopGravity mActivity;
     27     private ListView mListView;
     28 
     29     public ListFocusableTest() {
     30         super("com.android.frameworks.coretests", ListTopGravity.class);
     31     }
     32 
     33     @Override
     34     protected void setUp() throws Exception {
     35         super.setUp();
     36 
     37         mActivity = getActivity();
     38         mListView = getActivity().getListView();
     39     }
     40 
     41     @MediumTest
     42     public void testPreconditions() {
     43         assertNotNull(mActivity);
     44         assertNotNull(mListView);
     45 
     46         // First item should be selected
     47         assertEquals(0, mListView.getSelectedItemPosition());
     48     }
     49 
     50     @MediumTest
     51     public void testAdapterFull() {
     52         setFullAdapter();
     53         assertTrue(mListView.isFocusable());
     54     }
     55 
     56     @MediumTest
     57     public void testAdapterEmpty() {
     58         setEmptyAdapter();
     59         assertFalse(mListView.isFocusable());
     60     }
     61 
     62     @MediumTest
     63     public void testAdapterNull() {
     64         setNullAdapter();
     65         assertFalse(mListView.isFocusable());
     66     }
     67 
     68     @MediumTest
     69     public void testAdapterFullSetFocusable() {
     70         assertTrue(mListView.isFocusable());
     71 
     72         setFocusable();
     73         assertTrue(mListView.isFocusable());
     74     }
     75 
     76     @MediumTest
     77     public void testAdapterFullSetNonFocusable() {
     78         assertTrue(mListView.isFocusable());
     79 
     80         setNonFocusable();
     81         assertFalse(mListView.isFocusable());
     82     }
     83 
     84     @MediumTest
     85     public void testAdapterEmptySetFocusable() {
     86         setEmptyAdapter();
     87         assertFalse(mListView.isFocusable());
     88 
     89         setFocusable();
     90         assertFalse(mListView.isFocusable());
     91     }
     92 
     93     @MediumTest
     94     public void testAdapterEmptySetNonFocusable() {
     95         setEmptyAdapter();
     96         assertFalse(mListView.isFocusable());
     97 
     98         setNonFocusable();
     99         assertFalse(mListView.isFocusable());
    100     }
    101 
    102     @MediumTest
    103     public void testAdapterNullSetFocusable() {
    104         setNullAdapter();
    105         assertFalse(mListView.isFocusable());
    106 
    107         setFocusable();
    108         assertFalse(mListView.isFocusable());
    109     }
    110 
    111     @MediumTest
    112     public void testAdapterNullSetNonFocusable() {
    113         setNullAdapter();
    114         assertFalse(mListView.isFocusable());
    115 
    116         setNonFocusable();
    117         assertFalse(mListView.isFocusable());
    118     }
    119 
    120     @MediumTest
    121     public void testFocusableSetAdapterFull() {
    122         assertTrue(mListView.isFocusable());
    123 
    124         setFullAdapter();
    125         assertTrue(mListView.isFocusable());
    126     }
    127 
    128     @MediumTest
    129     public void testNonFocusableSetAdapterFull() {
    130         assertTrue(mListView.isFocusable());
    131 
    132         setNonFocusable();
    133         assertFalse(mListView.isFocusable());
    134 
    135         setFullAdapter();
    136         assertFalse(mListView.isFocusable());
    137     }
    138 
    139     @MediumTest
    140     public void testFocusableSetAdapterEmpty() {
    141         assertTrue(mListView.isFocusable());
    142 
    143         setEmptyAdapter();
    144         assertFalse(mListView.isFocusable());
    145     }
    146 
    147     @MediumTest
    148     public void testNonFocusableSetAdapterEmpty() {
    149         assertTrue(mListView.isFocusable());
    150 
    151         setNonFocusable();
    152         assertFalse(mListView.isFocusable());
    153 
    154         setEmptyAdapter();
    155         assertFalse(mListView.isFocusable());
    156     }
    157 
    158     @MediumTest
    159     public void testFocusableSetAdapterNull() {
    160         assertTrue(mListView.isFocusable());
    161 
    162         setNullAdapter();
    163         assertFalse(mListView.isFocusable());
    164     }
    165 
    166     @MediumTest
    167     public void testNonFocusableSetAdapterNull() {
    168         assertTrue(mListView.isFocusable());
    169 
    170         setNonFocusable();
    171         assertFalse(mListView.isFocusable());
    172 
    173         setNullAdapter();
    174         assertFalse(mListView.isFocusable());
    175     }
    176 
    177     private ListAdapter createFullAdapter() {
    178         return new ArrayAdapter<String>(mActivity, android.R.layout.simple_list_item_1,
    179                 new String[] { "Android", "Robot" });
    180     }
    181 
    182     private ListAdapter createEmptyAdapter() {
    183         return new ArrayAdapter<String>(mActivity, android.R.layout.simple_list_item_1,
    184                 new String[] { });
    185     }
    186 
    187 
    188     private void setFullAdapter() {
    189         mActivity.runOnUiThread(new Runnable() {
    190             public void run() {
    191                 mListView.setAdapter(createFullAdapter());
    192             }
    193         });
    194         getInstrumentation().waitForIdleSync();
    195     }
    196 
    197     private void setEmptyAdapter() {
    198         mActivity.runOnUiThread(new Runnable() {
    199             public void run() {
    200                 mListView.setAdapter(createEmptyAdapter());
    201             }
    202         });
    203         getInstrumentation().waitForIdleSync();
    204     }
    205 
    206     private void setNullAdapter() {
    207         mActivity.runOnUiThread(new Runnable() {
    208             public void run() {
    209                 mListView.setAdapter(null);
    210             }
    211         });
    212         getInstrumentation().waitForIdleSync();
    213     }
    214 
    215     private void setFocusable() {
    216         mActivity.runOnUiThread(new Runnable() {
    217             public void run() {
    218                 mListView.setFocusable(true);
    219             }
    220         });
    221         getInstrumentation().waitForIdleSync();
    222     }
    223 
    224     private void setNonFocusable() {
    225         mActivity.runOnUiThread(new Runnable() {
    226             public void run() {
    227                 mListView.setFocusable(false);
    228             }
    229         });
    230         getInstrumentation().waitForIdleSync();
    231     }
    232 }
    233