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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.arrowscroll;
     18 
     19 import android.test.ActivityInstrumentationTestCase;
     20 import android.test.suitebuilder.annotation.MediumTest;
     21 import android.view.KeyEvent;
     22 import android.widget.LinearLayout;
     23 import android.widget.ListView;
     24 import android.widget.listview.ListItemFocusablesClose;
     25 
     26 public class ListItemFocusablesCloseTest extends ActivityInstrumentationTestCase<ListItemFocusablesClose> {
     27     private ListView mListView;
     28     private int mListTop;
     29     private int mListBottom;
     30 
     31     public ListItemFocusablesCloseTest() {
     32         super("com.android.frameworks.coretests", ListItemFocusablesClose.class);
     33     }
     34 
     35     @Override
     36     protected void setUp() throws Exception{
     37         super.setUp();
     38         mListView = getActivity().getListView();
     39         mListTop = mListView.getListPaddingTop();
     40         mListBottom = mListView.getHeight() - mListView.getListPaddingBottom();
     41     }
     42 
     43     @MediumTest
     44     public void testPreconditions() {
     45         assertNotNull(mListView);
     46         assertTrue(mListView.getAdapter().areAllItemsEnabled());
     47         assertTrue(mListView.getItemsCanFocus());
     48         assertEquals(0, mListView.getSelectedItemPosition());
     49         final LinearLayout first = (LinearLayout) mListView.getSelectedView();
     50         getInstrumentation().waitForIdleSync();
     51         assertEquals("first item should be at top of screen",
     52                 mListView.getListPaddingTop(),
     53                 first.getTop());
     54         assertTrue("first button of first list item should have focus",
     55                 first.getChildAt(0).isFocused());
     56         assertTrue("item should be shorter than list for this test to make sense",
     57                 first.getHeight() < mListView.getHeight());
     58         assertEquals("two items should be on screen",
     59                 2, mListView.getChildCount());
     60         assertTrue("first button of second item should be on screen",
     61                 getActivity().getChildOfItem(1, 0).getBottom() < mListBottom);
     62     }
     63 
     64 
     65     @MediumTest
     66     public void testChangeFocusWithinItem() {
     67         final LinearLayout first = (LinearLayout) mListView.getSelectedView();
     68         final int topOfFirstItemBefore = first.getTop();
     69         sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
     70         assertTrue("focus should have moved to second button of first item",
     71                 first.getChildAt(2).isFocused());
     72         assertEquals("selection should not have changed",
     73                 0, mListView.getSelectedItemPosition());
     74         assertEquals("list item should not have been shifted",
     75                 topOfFirstItemBefore, first.getTop());
     76 
     77 
     78         sendKeys(KeyEvent.KEYCODE_DPAD_UP);
     79         assertTrue("focus should have moved back to first button of first item",
     80                 first.getChildAt(0).isFocused());
     81         assertEquals("list item should not have been shifted",
     82                 topOfFirstItemBefore, first.getTop());
     83     }
     84 
     85     @MediumTest
     86     public void testMoveDownToButtonInDifferentSelection() {
     87         final LinearLayout first = (LinearLayout) mListView.getSelectedView();
     88         final int topOfFirstItemBefore = first.getTop();
     89         sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
     90         sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
     91 
     92         assertEquals("selection should have moved to second item",
     93                 1, mListView.getSelectedItemPosition());
     94         final LinearLayout selectedItem = (LinearLayout) mListView.getSelectedView();
     95         assertTrue("first button of second item should have focus",
     96                 selectedItem.getChildAt(0).isFocused());
     97         assertEquals("list item should not have been shifted",
     98                 topOfFirstItemBefore, first.getTop());
     99     }
    100 
    101     @MediumTest
    102     public void testMoveUpToButtonInDifferentSelection() {
    103         sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
    104         sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
    105         assertEquals(1, mListView.getSelectedItemPosition());
    106         assertTrue("first button of second item should have focus",
    107                 getActivity().getChildOfItem(1, 0).hasFocus());
    108 
    109         sendKeys(KeyEvent.KEYCODE_DPAD_UP);
    110         assertEquals("first list item should have selection", 0,
    111                 mListView.getSelectedItemPosition());
    112         assertTrue("second button of first item should have focus",
    113                 getActivity().getChildOfItem(0, 2).hasFocus());
    114     }
    115 }
    116