| /* |
| * 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.TextView; |
| import android.widget.listview.ListOfItemsShorterThanScreen; |
| |
| import androidx.test.filters.MediumTest; |
| import androidx.test.filters.Suppress; |
| |
| public class ListOfItemsShorterThanScreenTest |
| extends ActivityInstrumentationTestCase<ListOfItemsShorterThanScreen> { |
| private ListView mListView; |
| private ListOfItemsShorterThanScreen mActivity; |
| |
| |
| public ListOfItemsShorterThanScreenTest() { |
| super("com.android.frameworks.coretests", ListOfItemsShorterThanScreen.class); |
| } |
| |
| protected void setUp() throws Exception { |
| super.setUp(); |
| mActivity = getActivity(); |
| mListView = getActivity().getListView(); |
| } |
| |
| @MediumTest |
| public void testPreconditions() { |
| assertEquals(0, mListView.getSelectedItemPosition()); |
| assertTrue(mListView.getChildAt(0).isSelected()); |
| assertEquals(mListView.getListPaddingTop(), mListView.getSelectedView().getTop()); |
| } |
| |
| @MediumTest |
| public void testMoveDownToOnScreenNextItem() { |
| final View next = mListView.getChildAt(1); |
| assertFalse(next.isSelected()); |
| final int secondPosition = mListView.getSelectedView().getBottom(); |
| assertEquals("second item should be positioned item height pixels from top.", |
| secondPosition, |
| next.getTop()); |
| |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| assertEquals(1, mListView.getSelectedItemPosition()); |
| assertTrue(next.isSelected()); |
| assertEquals("next selected item shouldn't have moved", |
| secondPosition, |
| next.getTop()); |
| } |
| |
| @MediumTest |
| public void testMoveUpToOnScreenItem() { |
| // move down one, then back up |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| sendKeys(KeyEvent.KEYCODE_DPAD_UP); |
| assertEquals(0, mListView.getSelectedItemPosition()); |
| } |
| |
| @MediumTest |
| @Suppress // Failing. |
| public void testMoveDownToItemRequiringScrolling() { |
| final int lastOnScreenItemIndex = mListView.getChildCount() - 1; |
| final View lastItem = mListView.getChildAt(lastOnScreenItemIndex); |
| assertTrue("last item should be partially off screen", |
| lastItem.getBottom() > mListView.getBottom()); |
| assertEquals(mListView.getListPaddingTop(), mListView.getSelectedView().getTop()); |
| |
| for (int i = 0; i < lastOnScreenItemIndex; i++) { |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| } |
| |
| assertEquals(lastOnScreenItemIndex, mListView.getSelectedItemPosition()); |
| assertEquals( |
| getTopOfBottomFadingEdge(), |
| mListView.getSelectedView().getBottom()); |
| |
| // there should be a peeking view |
| |
| // the current view isn't the last anymore... |
| assertEquals(mListView.getSelectedView(), mListView.getChildAt(mListView.getChildCount() - 2)); |
| |
| // peeking view is now last |
| final TextView view = (TextView) mListView.getChildAt(mListView.getChildCount() - 1); |
| assertEquals(mActivity.getValueAtPosition(lastOnScreenItemIndex + 1), view.getText()); |
| assertFalse(view.isSelected()); |
| } |
| |
| @MediumTest |
| @Suppress // Failing. |
| public void testMoveUpToItemRequiringScrolling() { |
| // go down to one past last item, then back up to the second item. this will |
| // require scrolling to get it back on screen, and will need a peeking edge |
| |
| int numItemsOnScreen = mListView.getChildCount(); |
| for (int i = 0; i < numItemsOnScreen; i++) { |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| } |
| for (int i = 0; i < numItemsOnScreen - 1; i++) { |
| sendKeys(KeyEvent.KEYCODE_DPAD_UP); |
| } |
| |
| assertEquals(1, mListView.getSelectedItemPosition()); |
| assertEquals("top should be just below vertical fading edge", |
| mListView.getVerticalFadingEdgeLength() + mListView.getListPaddingTop(), |
| mListView.getSelectedView().getTop()); |
| } |
| |
| @MediumTest |
| public void testPressUpWhenAlreadyAtTop() { |
| sendKeys(KeyEvent.KEYCODE_DPAD_UP); |
| |
| assertEquals(0, mListView.getSelectedItemPosition()); |
| } |
| |
| @MediumTest |
| public void testPressDownWhenAlreadyAtBottom() { |
| final int lastItemPosition = mListView.getAdapter().getCount() - 1; |
| for (int i = 0; i < lastItemPosition; i++) { |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| } |
| assertEquals(lastItemPosition, mListView.getSelectedItemPosition()); |
| |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| assertEquals(lastItemPosition, mListView.getSelectedItemPosition()); |
| } |
| |
| @MediumTest |
| public void testNoVerticalFadingEdgeWhenMovingToBottom() { |
| final int lastItemPosition = mListView.getAdapter().getCount() - 1; |
| for (int i = 0; i < lastItemPosition; i++) { |
| sendKeys(KeyEvent.KEYCODE_DPAD_DOWN); |
| } |
| assertEquals(lastItemPosition, mListView.getSelectedItemPosition()); |
| |
| assertEquals("bottom of last item should be just above padding; no fading edge.", |
| mListView.getHeight() - mListView.getListPaddingBottom(), |
| mListView.getSelectedView().getBottom()); |
| |
| } |
| |
| // the top of the bottom fading edge takes into account the list padding at the bottom, |
| // and the fading edge size |
| private int getTopOfBottomFadingEdge() { |
| return mListView.getHeight() - (mListView.getVerticalFadingEdgeLength() + mListView.getListPaddingBottom()); |
| } |
| |
| |
| } |