| /* |
| * 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.view.View; |
| import android.widget.ListView; |
| import android.widget.listview.ListLastItemPartiallyVisible; |
| |
| import androidx.test.filters.MediumTest; |
| |
| public class ListLastItemPartiallyVisibleTest extends ActivityInstrumentationTestCase<ListLastItemPartiallyVisible> { |
| private ListView mListView; |
| private int mListBottom; |
| |
| |
| public ListLastItemPartiallyVisibleTest() { |
| super("com.android.frameworks.coretests", ListLastItemPartiallyVisible.class); |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| mListView = getActivity().getListView(); |
| mListBottom = mListView.getHeight() - mListView.getPaddingBottom(); |
| } |
| |
| @MediumTest |
| public void testPreconditions() { |
| assertEquals("number of elements visible should be the same as number of items " + |
| "in adapter", mListView.getCount(), mListView.getChildCount()); |
| |
| final View lastChild = mListView.getChildAt(mListView.getChildCount() - 1); |
| assertTrue("last item should be partially off screen", |
| lastChild.getBottom() > mListBottom); |
| assertEquals("selected position", 0, mListView.getSelectedItemPosition()); |
| } |
| |
| // reproduce bug 998094 |
| @MediumTest |
| public void testMovingDownToFullyVisibleNoScroll() { |
| final View firstChild = mListView.getChildAt(0); |
| final int firstBottom = firstChild.getBottom(); |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| assertEquals("shouldn't have scrolled: bottom of first child changed.", |
| firstBottom, firstChild.getBottom()); |
| } |
| |
| // reproduce bug 998094 |
| @MediumTest |
| public void testMovingUpToFullyVisibleNoScroll() { |
| int numMovesToLast = mListView.getCount() - 1; |
| for (int i = 0; i < numMovesToLast; i++) { |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| } |
| assertEquals("should have moved to last position", |
| mListView.getChildCount() - 1, mListView.getSelectedItemPosition()); |
| |
| final View lastChild = mListView.getSelectedView(); |
| final int lastTop = lastChild.getTop(); |
| sendKeys(KeyEvent.KEYCODE_DPAD_UP); |
| assertEquals("shouldn't have scrolled: top of last child changed.", |
| lastTop, lastChild.getTop()); |
| } |
| |
| } |