| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.widget.listview.arrowscroll; |
| |
| import android.test.ActivityInstrumentationTestCase2; |
| import android.view.KeyEvent; |
| import android.view.View; |
| import android.widget.ListView; |
| import android.widget.listview.ListWithScreenOfNoSelectables; |
| |
| import androidx.test.filters.MediumTest; |
| import androidx.test.filters.Suppress; |
| |
| public class ListWithScreenOfNoSelectablesTest extends ActivityInstrumentationTestCase2<ListWithScreenOfNoSelectables> { |
| |
| private ListView mListView; |
| |
| public ListWithScreenOfNoSelectablesTest() { |
| super(ListWithScreenOfNoSelectables.class); |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| mListView = getActivity().getListView(); |
| } |
| |
| @MediumTest |
| public void testPreconditions() { |
| assertTrue("expecting first position to be selectable", |
| mListView.getAdapter().isEnabled(0)); |
| final int numItems = mListView.getCount(); |
| for (int i = 1; i < numItems; i++) { |
| assertFalse("expecting item to be unselectable (index " + i +")", |
| mListView.getAdapter().isEnabled(i)); |
| } |
| assertTrue("expecting that not all views fit on screen", |
| mListView.getChildCount() < mListView.getCount()); |
| } |
| |
| |
| @MediumTest |
| public void testGoFromSelectedViewExistsToNoSelectedViewExists() { |
| |
| // go down until first (and only selectable) item is off screen |
| View first = mListView.getChildAt(0); |
| while (first.getParent() != null) { |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| } |
| |
| // nothing should be selected |
| assertEquals("selected position", ListView.INVALID_POSITION, mListView.getSelectedItemPosition()); |
| assertNull("selected view", mListView.getSelectedView()); |
| } |
| |
| @MediumTest |
| public void testPanDownAcrossUnselectableChildrenToBottom() { |
| final int lastPosition = mListView.getCount() - 1; |
| final int maxDowns = 20; |
| for(int count = 0; count < maxDowns && mListView.getLastVisiblePosition() <= lastPosition; count++) { |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| } |
| assertEquals("last visible position not the last position in the list even " |
| + "after " + maxDowns + " downs", lastPosition, mListView.getLastVisiblePosition()); |
| } |
| |
| @MediumTest |
| @Suppress // Failing. |
| public void testGoFromNoSelectionToSelectionExists() { |
| // go down untile first (and only selectable) item is off screen |
| View first = mListView.getChildAt(0); |
| while (first.getParent() != null) { |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| } |
| |
| // nothing should be selected |
| assertEquals("selected position", ListView.INVALID_POSITION, mListView.getSelectedItemPosition()); |
| assertNull("selected view", mListView.getSelectedView()); |
| |
| // go up once to bring the selectable back on screen |
| sendKeys(KeyEvent.KEYCODE_DPAD_UP); |
| assertEquals("first visible position", 0, mListView.getFirstVisiblePosition()); |
| assertEquals("selected position", ListView.INVALID_POSITION, mListView.getSelectedItemPosition()); |
| |
| |
| // up once more should give it selection |
| sendKeys(KeyEvent.KEYCODE_DPAD_UP); |
| assertEquals("selected position", 0, mListView.getSelectedItemPosition()); |
| |
| } |
| |
| |
| } |