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.arrowscroll; 18 19 import android.widget.listview.ListWithNoFadingEdge; 20 21 import android.test.ActivityInstrumentationTestCase; 22 import android.test.suitebuilder.annotation.LargeTest; 23 import android.test.suitebuilder.annotation.MediumTest; 24 import android.widget.ListView; 25 import android.view.KeyEvent; 26 27 public class ListWithNoFadingEdgeTest extends ActivityInstrumentationTestCase<ListWithNoFadingEdge> { 28 29 private ListView mListView; 30 31 public ListWithNoFadingEdgeTest() { 32 super("com.android.frameworks.coretests", ListWithNoFadingEdge.class); 33 } 34 35 @Override 36 protected void setUp() throws Exception { 37 super.setUp(); 38 39 mListView = getActivity().getListView(); 40 } 41 42 @MediumTest 43 public void testPreconditions() { 44 assertNotNull(mListView); 45 assertEquals("listview vertical fading edge", 0, mListView.getVerticalFadingEdgeLength()); 46 assertTrue("expecting that not all views fit on screen", 47 mListView.getChildCount() < mListView.getCount()); 48 } 49 50 @MediumTest 51 public void testScrollDownToBottom() { 52 final int numItems = mListView.getCount(); 53 54 for (int i = 0; i < numItems; i++) { 55 assertEquals("selected position", i, mListView.getSelectedItemPosition()); 56 sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); 57 } 58 assertEquals("selected position", numItems - 1, mListView.getSelectedItemPosition()); 59 } 60 61 @LargeTest 62 public void testScrollFromBottomToTop() { 63 final int numItems = mListView.getCount(); 64 65 getActivity().runOnUiThread(new Runnable() { 66 public void run() { 67 mListView.setSelection(numItems - 1); 68 } 69 }); 70 getInstrumentation().waitForIdleSync(); 71 72 for (int i = numItems - 1; i >=0; i--) { 73 assertEquals(i, mListView.getSelectedItemPosition()); 74 sendKeys(KeyEvent.KEYCODE_DPAD_UP); 75 } 76 77 assertEquals("selected position", 0, mListView.getSelectedItemPosition()); 78 } 79 80 } 81
