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.test.ActivityInstrumentationTestCase2; 20 import android.test.suitebuilder.annotation.MediumTest; 21 import android.view.KeyEvent; 22 import android.view.View; 23 import android.widget.ListView; 24 import android.widget.listview.ListWithScreenOfNoSelectables; 25 26 public class ListWithScreenOfNoSelectablesTest extends ActivityInstrumentationTestCase2<ListWithScreenOfNoSelectables> { 27 28 private ListView mListView; 29 30 public ListWithScreenOfNoSelectablesTest() { 31 super(ListWithScreenOfNoSelectables.class); 32 } 33 34 @Override 35 protected void setUp() throws Exception { 36 super.setUp(); 37 mListView = getActivity().getListView(); 38 } 39 40 @MediumTest 41 public void testPreconditions() { 42 assertTrue("expecting first position to be selectable", 43 mListView.getAdapter().isEnabled(0)); 44 final int numItems = mListView.getCount(); 45 for (int i = 1; i < numItems; i++) { 46 assertFalse("expecting item to be unselectable (index " + i +")", 47 mListView.getAdapter().isEnabled(i)); 48 } 49 assertTrue("expecting that not all views fit on screen", 50 mListView.getChildCount() < mListView.getCount()); 51 } 52 53 54 @MediumTest 55 public void testGoFromSelectedViewExistsToNoSelectedViewExists() { 56 57 // go down until first (and only selectable) item is off screen 58 View first = mListView.getChildAt(0); 59 while (first.getParent() != null) { 60 sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); 61 } 62 63 // nothing should be selected 64 assertEquals("selected position", ListView.INVALID_POSITION, mListView.getSelectedItemPosition()); 65 assertNull("selected view", mListView.getSelectedView()); 66 } 67 68 @MediumTest 69 public void testPanDownAcrossUnselectableChildrenToBottom() { 70 final int lastPosition = mListView.getCount() - 1; 71 final int maxDowns = 20; 72 for(int count = 0; count < maxDowns && mListView.getLastVisiblePosition() <= lastPosition; count++) { 73 sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); 74 } 75 assertEquals("last visible position not the last position in the list even " 76 + "after " + maxDowns + " downs", lastPosition, mListView.getLastVisiblePosition()); 77 } 78 79 @MediumTest 80 public void testGoFromNoSelectionToSelectionExists() { 81 // go down untile first (and only selectable) item is off screen 82 View first = mListView.getChildAt(0); 83 while (first.getParent() != null) { 84 sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); 85 } 86 87 // nothing should be selected 88 assertEquals("selected position", ListView.INVALID_POSITION, mListView.getSelectedItemPosition()); 89 assertNull("selected view", mListView.getSelectedView()); 90 91 // go up once to bring the selectable back on screen 92 sendKeys(KeyEvent.KEYCODE_DPAD_UP); 93 assertEquals("first visible position", 0, mListView.getFirstVisiblePosition()); 94 assertEquals("selected position", ListView.INVALID_POSITION, mListView.getSelectedItemPosition()); 95 96 97 // up once more should give it selection 98 sendKeys(KeyEvent.KEYCODE_DPAD_UP); 99 assertEquals("selected position", 0, mListView.getSelectedItemPosition()); 100 101 } 102 103 104 } 105
