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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.gridview.touch;
     18 
     19 import android.test.ActivityInstrumentationTestCase;
     20 import android.test.suitebuilder.annotation.LargeTest;
     21 import android.test.suitebuilder.annotation.MediumTest;
     22 import android.test.TouchUtils;
     23 import android.view.View;
     24 import android.widget.GridView;
     25 
     26 import android.widget.gridview.GridSimple;
     27 
     28 /**
     29  * Tests setting the selection in touch mode
     30  */
     31 public class GridTouchSetSelectionTest extends ActivityInstrumentationTestCase<GridSimple> {
     32     private GridSimple mActivity;
     33     private GridView mGridView;
     34 
     35     public GridTouchSetSelectionTest() {
     36         super("com.android.frameworks.coretests", GridSimple.class);
     37     }
     38 
     39     @Override
     40     protected void setUp() throws Exception {
     41         super.setUp();
     42 
     43         mActivity = getActivity();
     44         mGridView = getActivity().getGridView();
     45     }
     46 
     47     @MediumTest
     48     public void testPreconditions() {
     49         assertNotNull(mActivity);
     50         assertNotNull(mGridView);
     51     }
     52 
     53     @LargeTest
     54     public void testSetSelection() {
     55         TouchUtils.dragQuarterScreenDown(this);
     56         TouchUtils.dragQuarterScreenUp(this);
     57 
     58         // Nothing should be selected
     59         assertEquals("Selection still available after touch", -1,
     60                 mGridView.getSelectedItemPosition());
     61 
     62         final int targetPosition = mGridView.getAdapter().getCount() / 2;
     63 
     64         mActivity.runOnUiThread(new Runnable() {
     65             public void run() {
     66                 mGridView.setSelection(targetPosition);
     67             }
     68         });
     69         getInstrumentation().waitForIdleSync();
     70 
     71         boolean found = false;
     72         int childCount = mGridView.getChildCount();
     73         for (int i=0; i<childCount; i++) {
     74             View child = mGridView.getChildAt(i);
     75             if (child.getId() == targetPosition) {
     76                 found = true;
     77                 break;
     78             }
     79         }
     80         assertTrue("Selected item not visible in list", found);
     81     }
     82 }
     83