| /* |
| * Copyright (C) 2007 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.ActivityInstrumentationTestCase; |
| import android.view.KeyEvent; |
| import android.widget.ListView; |
| import android.widget.listview.ListOfShortTallShort; |
| |
| import androidx.test.filters.MediumTest; |
| |
| public class ListOfShortTallShortTest extends ActivityInstrumentationTestCase<ListOfShortTallShort> { |
| private ListView mListView; |
| |
| public ListOfShortTallShortTest() { |
| super("com.android.frameworks.coretests", ListOfShortTallShort.class); |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| |
| mListView = getActivity().getListView(); |
| } |
| |
| @MediumTest |
| public void testPreconditions() { |
| assertTrue("second item should be taller than screen", |
| mListView.getChildAt(1).getHeight() > mListView.getHeight()); |
| } |
| |
| @MediumTest |
| public void testGoDownFromShortToTall() { |
| int topBeforeMove = mListView.getChildAt(1).getTop(); |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| |
| assertEquals("selection should have moved to tall item below", |
| 1, mListView.getSelectedItemPosition()); |
| assertEquals("should not have scrolled; top should be the same.", |
| topBeforeMove, |
| mListView.getSelectedView().getTop()); |
| } |
| |
| @MediumTest |
| public void testGoUpFromShortToTall() { |
| int maxMoves = 8; |
| while (mListView.getSelectedItemPosition() != 2 && maxMoves > 0) { |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| } |
| assertEquals("couldn't get to 3rd item", |
| 2, |
| mListView.getSelectedItemPosition()); |
| |
| assertEquals("should only be two items on screen", |
| 2, mListView.getChildCount()); |
| assertEquals("selected item should be last item on screen", |
| mListView.getChildAt(1), mListView.getSelectedView()); |
| |
| final int bottomBeforeMove = mListView.getChildAt(0).getBottom(); |
| sendKeys(KeyEvent.KEYCODE_DPAD_UP); |
| assertEquals("should have moved selection to tall item above", |
| 1, mListView.getSelectedItemPosition()); |
| assertEquals("should not have scrolled, top should be the same", |
| bottomBeforeMove, |
| mListView.getChildAt(0).getBottom()); |
| } |
| } |