Home | History | Annotate | Download | only in arrowscroll 
      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.widget.ListView;
     22 import android.view.KeyEvent;
     23 import android.widget.listview.ListOfShortTallShort;
     24 
     25 public class ListOfShortTallShortTest extends ActivityInstrumentationTestCase<ListOfShortTallShort> {
     26     private ListView mListView;
     27 
     28     public ListOfShortTallShortTest() {
     29         super("com.android.frameworks.coretests", ListOfShortTallShort.class);
     30     }
     31 
     32     @Override
     33     protected void setUp() throws Exception {
     34         super.setUp();
     35 
     36         mListView = getActivity().getListView();
     37     }
     38 
     39     @MediumTest
     40     public void testPreconditions() {
     41         assertTrue("second item should be taller than screen",
     42                 mListView.getChildAt(1).getHeight() > mListView.getHeight());
     43     }
     44 
     45     @MediumTest
     46     public void testGoDownFromShortToTall() {
     47         int topBeforeMove = mListView.getChildAt(1).getTop();
     48         sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
     49 
     50         assertEquals("selection should have moved to tall item below",
     51                 1, mListView.getSelectedItemPosition());
     52         assertEquals("should not have scrolled; top should be the same.",
     53                 topBeforeMove,
     54                 mListView.getSelectedView().getTop());
     55     }
     56 
     57     @MediumTest
     58     public void testGoUpFromShortToTall() {
     59         int maxMoves = 8;
     60         while (mListView.getSelectedItemPosition() != 2 && maxMoves > 0) {
     61             sendKeys(KeyEvent.KEYCODE_DPAD_DOWN);
     62         }
     63         assertEquals("couldn't get to 3rd item",
     64                 2,
     65                 mListView.getSelectedItemPosition());
     66 
     67         assertEquals("should only be two items on screen",
     68                 2, mListView.getChildCount());
     69         assertEquals("selected item should be last item on screen",
     70                 mListView.getChildAt(1), mListView.getSelectedView());
     71 
     72         final int bottomBeforeMove = mListView.getChildAt(0).getBottom();
     73         sendKeys(KeyEvent.KEYCODE_DPAD_UP);
     74         assertEquals("should have moved selection to tall item above",
     75                 1, mListView.getSelectedItemPosition());
     76         assertEquals("should not have scrolled, top should be the same",
     77                 bottomBeforeMove,
     78                 mListView.getChildAt(0).getBottom());
     79     }
     80 }
     81