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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.touch;
     18 
     19 import android.test.ActivityInstrumentationTestCase;
     20 import android.test.suitebuilder.annotation.LargeTest;
     21 import android.test.suitebuilder.annotation.MediumTest;
     22 import android.view.Gravity;
     23 import android.view.View;
     24 import android.view.ViewConfiguration;
     25 import android.widget.ListView;
     26 
     27 import android.widget.listview.ListOfTouchables;
     28 import android.test.TouchUtils;
     29 
     30 /**
     31  * Touch tests for a list where all of the items fit on the screen.
     32  */
     33 public class ListOfTouchablesTest extends ActivityInstrumentationTestCase<ListOfTouchables> {
     34     private ListOfTouchables mActivity;
     35     private ListView mListView;
     36 
     37     public ListOfTouchablesTest() {
     38         super("com.android.frameworks.coretests", ListOfTouchables.class);
     39     }
     40 
     41     @Override
     42     protected void setUp() throws Exception {
     43         super.setUp();
     44 
     45         mActivity = getActivity();
     46         mListView = getActivity().getListView();
     47     }
     48 
     49     @MediumTest
     50     public void testPreconditions() {
     51         assertNotNull(mActivity);
     52         assertNotNull(mListView);
     53     }
     54 
     55     // TODO: needs to be adjusted to pass on non-HVGA displays
     56     // @LargeTest
     57     public void testShortScroll() {
     58         View firstChild = mListView.getChildAt(0);
     59         View lastChild = mListView.getChildAt(mListView.getChildCount() - 1);
     60 
     61         int firstTop = firstChild.getTop();
     62 
     63         TouchUtils.dragViewBy(this, lastChild, Gravity.TOP | Gravity.LEFT,
     64                 0, -(ViewConfiguration.getTouchSlop() + 1 + 10));
     65 
     66         View newFirstChild = mListView.getChildAt(0);
     67 
     68         assertEquals("View scrolled too early", firstTop, newFirstChild.getTop() + 10);
     69         assertEquals("Wrong view in first position", 0, newFirstChild.getId());
     70     }
     71 
     72     // TODO: needs to be adjusted to pass on non-HVGA displays
     73     // @LargeTest
     74     public void testLongScroll() {
     75         View lastChild = mListView.getChildAt(mListView.getChildCount() - 1);
     76 
     77         int lastTop = lastChild.getTop();
     78 
     79         int distance = TouchUtils.dragViewToY(this, lastChild,
     80                 Gravity.TOP | Gravity.LEFT, mListView.getTop());
     81 
     82         assertEquals("View scrolled to wrong position",
     83                 lastTop - (distance - ViewConfiguration.getTouchSlop() - 1), lastChild.getTop());
     84     }
     85 
     86 }
     87