| /* |
| * 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.ActivityInstrumentationTestCase; |
| import android.test.suitebuilder.annotation.LargeTest; |
| import android.test.suitebuilder.annotation.MediumTest; |
| import android.view.KeyEvent; |
| import android.widget.ListView; |
| import android.widget.listview.ListWithNoFadingEdge; |
| |
| public class ListWithNoFadingEdgeTest extends ActivityInstrumentationTestCase<ListWithNoFadingEdge> { |
| |
| private ListView mListView; |
| |
| public ListWithNoFadingEdgeTest() { |
| super("com.android.frameworks.coretests", ListWithNoFadingEdge.class); |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| |
| mListView = getActivity().getListView(); |
| } |
| |
| @MediumTest |
| public void testPreconditions() { |
| assertNotNull(mListView); |
| assertEquals("listview vertical fading edge", 0, mListView.getVerticalFadingEdgeLength()); |
| assertTrue("expecting that not all views fit on screen", |
| mListView.getChildCount() < mListView.getCount()); |
| } |
| |
| @MediumTest |
| public void testScrollDownToBottom() { |
| getActivity().runOnUiThread(() -> mListView.requestFocus()); |
| getInstrumentation().waitForIdleSync(); |
| final int numItems = mListView.getCount(); |
| |
| for (int i = 0; i < numItems; i++) { |
| assertEquals("selected position", i, mListView.getSelectedItemPosition()); |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| } |
| assertEquals("selected position", numItems - 1, mListView.getSelectedItemPosition()); |
| } |
| |
| @LargeTest |
| public void testScrollFromBottomToTop() { |
| getActivity().runOnUiThread(() -> mListView.requestFocus()); |
| getInstrumentation().waitForIdleSync(); |
| final int numItems = mListView.getCount(); |
| |
| getActivity().runOnUiThread(new Runnable() { |
| public void run() { |
| mListView.setSelection(numItems - 1); |
| } |
| }); |
| getInstrumentation().waitForIdleSync(); |
| |
| for (int i = numItems - 1; i >=0; i--) { |
| assertEquals(i, mListView.getSelectedItemPosition()); |
| sendKeys(KeyEvent.KEYCODE_DPAD_UP); |
| } |
| |
| assertEquals("selected position", 0, mListView.getSelectedItemPosition()); |
| } |
| |
| } |