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      1 /*
      2  * Copyright (C) 2008 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.focus;
     18 
     19 import android.widget.listview.ListButtonsDiagonalAcrossItems;
     20 
     21 import android.test.ActivityInstrumentationTestCase;
     22 import android.test.suitebuilder.annotation.MediumTest;
     23 import android.view.FocusFinder;
     24 import android.view.KeyEvent;
     25 import android.view.View;
     26 import android.widget.Button;
     27 import android.widget.ListView;
     28 
     29 /**
     30  * Test that ListView will override default behavior of focus searching to
     31  * make sure going right and left doesn't change selection
     32  */
     33 public class ListButtonsDiagonalAcrossItemsTest extends ActivityInstrumentationTestCase<ListButtonsDiagonalAcrossItems> {
     34 
     35     private Button mLeftButton;
     36     private Button mCenterButton;
     37     private Button mRightButton;
     38     private ListView mListView;
     39 
     40     public ListButtonsDiagonalAcrossItemsTest() {
     41         super("com.android.frameworks.coretests", ListButtonsDiagonalAcrossItems.class);
     42     }
     43 
     44     @Override
     45     protected void setUp() throws Exception {
     46         super.setUp();
     47 
     48         mLeftButton = getActivity().getLeftButton();
     49         mCenterButton = getActivity().getCenterButton();
     50         mRightButton = getActivity().getRightButton();
     51 
     52         mListView = getActivity().getListView();
     53     }
     54 
     55     @MediumTest
     56     public void testPreconditions() {
     57         final ListView lv = mListView;
     58         assertEquals("num children", 3, lv.getChildCount());
     59 
     60         assertEquals("selected position", 0, lv.getSelectedItemPosition());
     61         assertTrue("left button focused", mLeftButton.isFocused());
     62 
     63         assertTrue("left left of center",
     64                 mLeftButton.getRight()
     65                         < mCenterButton.getLeft());
     66 
     67         assertTrue("center left of right",
     68                 mCenterButton.getRight()
     69                         < mRightButton.getLeft());
     70 
     71         assertEquals("focus search right from left button should be center button",
     72             mCenterButton,
     73             FocusFinder.getInstance().findNextFocus(mListView, mLeftButton, View.FOCUS_RIGHT));
     74         assertEquals("focus search right from center button should be right button",
     75             mRightButton,
     76             FocusFinder.getInstance().findNextFocus(mListView, mCenterButton, View.FOCUS_RIGHT));
     77         assertEquals("focus search left from centr button should be left button",
     78             mLeftButton,
     79             FocusFinder.getInstance().findNextFocus(mListView, mCenterButton, View.FOCUS_LEFT));
     80     }
     81 
     82     @MediumTest
     83     public void testGoingRightDoesNotChangeSelection() {
     84         sendKeys(KeyEvent.KEYCODE_DPAD_RIGHT);
     85 
     86         assertEquals("selected position shouldn't have changed",
     87                 0,
     88                 mListView.getSelectedItemPosition());
     89         assertTrue("left should still be focused", mLeftButton.isFocused());
     90     }
     91 
     92     @MediumTest
     93     public void testGoingLeftDoesNotChangeSelection() {
     94         sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
     95         assertEquals("list view postion", 1, mListView.getSelectedItemPosition());
     96         assertTrue("mCenterButton.isFocused()", mCenterButton.isFocused());
     97 
     98         sendKeys(KeyEvent.KEYCODE_DPAD_LEFT);
     99         assertEquals("selected position shouldn't have changed",
    100                 1,
    101                 mListView.getSelectedItemPosition());
    102         assertTrue("center should still be focused", mCenterButton.isFocused());
    103     }
    104 
    105 }
    106