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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;
     18 
     19 import android.util.GridScenario;
     20 
     21 import android.test.ActivityInstrumentationTestCase;
     22 import android.test.suitebuilder.annotation.MediumTest;
     23 import android.test.ViewAsserts;
     24 import android.widget.GridView;
     25 
     26 public class GridSetSelectionBaseTest<T extends GridScenario> extends ActivityInstrumentationTestCase<T> {
     27     private T mActivity;
     28     private GridView mGridView;
     29 
     30     protected GridSetSelectionBaseTest(Class<T> klass) {
     31         super("com.android.frameworks.coretests", klass);
     32     }
     33 
     34     @Override
     35     protected void setUp() throws Exception {
     36         super.setUp();
     37 
     38         mActivity = getActivity();
     39         mGridView = getActivity().getGridView();
     40     }
     41 
     42     @MediumTest
     43     public void testPreconditions() {
     44         assertNotNull(mActivity);
     45         assertNotNull(mGridView);
     46 
     47         // First item should be selected
     48         if (mGridView.isStackFromBottom()) {
     49             assertEquals(mGridView.getAdapter().getCount() - 1,
     50                     mGridView.getSelectedItemPosition());
     51         } else {
     52             assertEquals(0, mGridView.getSelectedItemPosition());
     53         }
     54     }
     55 
     56     @MediumTest
     57     public void testSetSelectionToTheEnd() {
     58         final int target = mGridView.getAdapter().getCount() - 1;
     59         mActivity.runOnUiThread(new Runnable() {
     60             public void run() {
     61                 mGridView.setSelection(target);
     62             }
     63         });
     64         getInstrumentation().waitForIdleSync();
     65 
     66         assertEquals(mGridView.getSelectedItemPosition(), target);
     67         assertNotNull(mGridView.getSelectedView());
     68 
     69         ViewAsserts.assertOnScreen(mGridView, mGridView.getSelectedView());
     70     }
     71 
     72     @MediumTest
     73     public void testSetSelectionToMiddle() {
     74         final int target = mGridView.getAdapter().getCount() / 2;
     75         mActivity.runOnUiThread(new Runnable() {
     76             public void run() {
     77                 mGridView.setSelection(target);
     78             }
     79         });
     80         getInstrumentation().waitForIdleSync();
     81 
     82         assertEquals(mGridView.getSelectedItemPosition(), target);
     83         assertNotNull(mGridView.getSelectedView());
     84 
     85         ViewAsserts.assertOnScreen(mGridView, mGridView.getSelectedView());
     86     }
     87 
     88     @MediumTest
     89     public void testSetSelectionToTheTop() {
     90         mActivity.runOnUiThread(new Runnable() {
     91             public void run() {
     92                 mGridView.setSelection(0);
     93             }
     94         });
     95         getInstrumentation().waitForIdleSync();
     96 
     97         assertEquals(mGridView.getSelectedItemPosition(), 0);
     98         assertNotNull(mGridView.getSelectedView());
     99 
    100         ViewAsserts.assertOnScreen(mGridView, mGridView.getSelectedView());
    101     }
    102 }
    103