| /* |
| * 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.ActivityInstrumentationTestCase2; |
| import android.test.suitebuilder.annotation.MediumTest; |
| import android.util.ListUtil; |
| import android.view.KeyEvent; |
| import android.widget.ListView; |
| import android.widget.listview.ListOfShortShortTallShortShort; |
| |
| public class ListOfShortShortTallShortShortTest extends ActivityInstrumentationTestCase2<ListOfShortShortTallShortShort> { |
| private ListView mListView; |
| private ListUtil mListUtil; |
| |
| public ListOfShortShortTallShortShortTest() { |
| super(ListOfShortShortTallShortShort.class); |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| mListView = getActivity().getListView(); |
| mListUtil = new ListUtil(mListView, getInstrumentation()); |
| } |
| |
| @MediumTest |
| public void testPreconditions() { |
| assertEquals("list item count", 5, mListView.getCount()); |
| assertEquals("list visible child count", 3, mListView.getChildCount()); |
| int firstTwoHeight = mListView.getChildAt(0).getHeight() + mListView.getChildAt(1).getHeight(); |
| assertTrue("first two items should fit within fading edge", |
| firstTwoHeight <= mListView.getVerticalFadingEdgeLength()); |
| assertTrue("first two items should fit within list max scroll", |
| firstTwoHeight <= mListView.getMaxScrollAmount()); |
| } |
| |
| @MediumTest |
| public void testFadeTopTwoItemsOut() { |
| // put 2nd item selected |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| |
| // one more to get two items scrolled off |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| |
| assertEquals("selected item position", 2, mListView.getSelectedItemPosition()); |
| assertTrue("selected item top should be above list top", |
| mListView.getSelectedView().getTop() < mListUtil.getListTop()); |
| assertTrue("selected item bottom should be below list bottom", |
| mListView.getSelectedView().getBottom() > mListUtil.getListBottom()); |
| assertEquals("should only be 1 child of list (2 should have been scrolled off and removed", |
| 1, mListView.getChildCount()); |
| } |
| |
| @MediumTest |
| public void testFadeInTwoBottomItems() { |
| // put 2nd item selected |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| |
| // one more to get two items scrolled off |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| assertEquals("number of list children", 1, mListView.getChildCount()); |
| |
| // last down brings bottom two items into view |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| assertEquals("should have scrolled two extra views onto screen", |
| 3, mListView.getChildCount()); |
| assertEquals("new view position", 3, mListView.getChildAt(1).getId()); |
| assertEquals("new view position", 4, mListView.getChildAt(2).getId()); |
| |
| assertTrue("bottom most view shouldn't be above list bottom", |
| mListView.getChildAt(2).getBottom() >= mListUtil.getListBottom()); |
| } |
| |
| @MediumTest |
| public void testFadeOutBottomTwoItems() throws Exception { |
| mListUtil.arrowScrollToSelectedPosition(4); |
| |
| // go up to tall item |
| sendKeys(KeyEvent.KEYCODE_DPAD_UP); |
| sendKeys(KeyEvent.KEYCODE_DPAD_UP); |
| |
| // one more time to scroll off bottom two items |
| sendKeys(KeyEvent.KEYCODE_DPAD_UP); |
| |
| |
| assertEquals("selected item position", 2, mListView.getSelectedItemPosition()); |
| assertTrue("selected item top should be at or above list top", |
| mListView.getSelectedView().getTop() <= mListUtil.getListTop()); |
| assertTrue("selected item bottom should be below list bottom", |
| mListView.getSelectedView().getBottom() > mListUtil.getListBottom()); |
| assertEquals("should only be 1 child of list (2 should have been scrolled off and removed", |
| 1, mListView.getChildCount()); |
| } |
| |
| @MediumTest |
| public void testFadeInTopTwoItems() throws Exception { |
| mListUtil.arrowScrollToSelectedPosition(4); |
| |
| // put 2nd item selected |
| sendKeys(KeyEvent.KEYCODE_DPAD_UP); |
| sendKeys(KeyEvent.KEYCODE_DPAD_UP); |
| |
| // one more to get two items scrolled off |
| sendKeys(KeyEvent.KEYCODE_DPAD_UP); |
| assertEquals("number of list children", 1, mListView.getChildCount()); |
| |
| // last down brings top two items into view |
| sendKeys(KeyEvent.KEYCODE_DPAD_UP); |
| assertEquals("should have scrolled two extra views onto screen", |
| 3, mListView.getChildCount()); |
| assertEquals("new view position", 0, mListView.getChildAt(0).getId()); |
| assertEquals("new view position", 1, mListView.getChildAt(1).getId()); |
| |
| assertTrue("top most view shouldn't be above list top", |
| mListView.getChildAt(0).getTop() <= mListUtil.getListTop()); |
| } |
| |
| |
| } |