| /* |
| * 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.gridview.touch; |
| |
| import android.test.ActivityInstrumentationTestCase; |
| import android.test.TouchUtils; |
| import android.view.Gravity; |
| import android.view.View; |
| import android.view.ViewConfiguration; |
| import android.widget.GridView; |
| import android.widget.gridview.GridVerticalSpacing; |
| |
| import androidx.test.filters.LargeTest; |
| import androidx.test.filters.MediumTest; |
| |
| public class GridTouchVerticalSpacingTest extends ActivityInstrumentationTestCase<GridVerticalSpacing> { |
| private GridVerticalSpacing mActivity; |
| private GridView mGridView; |
| |
| public GridTouchVerticalSpacingTest() { |
| super("com.android.frameworks.coretests", GridVerticalSpacing.class); |
| } |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| |
| mActivity = getActivity(); |
| mGridView = getActivity().getGridView(); |
| } |
| |
| @MediumTest |
| public void testPreconditions() { |
| assertNotNull(mActivity); |
| assertNotNull(mGridView); |
| |
| assertEquals(0, mGridView.getSelectedItemPosition()); |
| } |
| |
| @MediumTest |
| public void testNoScroll() { |
| View firstChild = mGridView.getChildAt(0); |
| View lastChild = mGridView.getChildAt(mGridView.getChildCount() - 1); |
| |
| int firstTop = firstChild.getTop(); |
| |
| TouchUtils.dragViewBy(this, lastChild, Gravity.TOP | Gravity.LEFT, |
| 0, -(ViewConfiguration.getTouchSlop())); |
| |
| View newFirstChild = mGridView.getChildAt(0); |
| |
| assertEquals("View scrolled too early", firstTop, newFirstChild.getTop()); |
| assertEquals("Wrong view in first position", 0, newFirstChild.getId()); |
| } |
| |
| // TODO: needs to be adjusted to pass on non-HVGA displays |
| // @LargeTest |
| public void testShortScroll() { |
| View firstChild = mGridView.getChildAt(0); |
| View lastChild = mGridView.getChildAt(mGridView.getChildCount() - 1); |
| |
| int firstTop = firstChild.getTop(); |
| |
| TouchUtils.dragViewBy(this, lastChild, Gravity.TOP | Gravity.LEFT, |
| 0, -(ViewConfiguration.getTouchSlop() + 1 + 10)); |
| |
| View newFirstChild = mGridView.getChildAt(0); |
| |
| assertEquals("View scrolled to wrong position", firstTop, newFirstChild.getTop() + 10); |
| assertEquals("Wrong view in first position", 0, newFirstChild.getId()); |
| } |
| |
| // TODO: needs to be adjusted to pass on non-HVGA displays |
| // @LargeTest |
| public void testLongScroll() { |
| View lastChild = mGridView.getChildAt(mGridView.getChildCount() - 1); |
| |
| int lastTop = lastChild.getTop(); |
| |
| int distance = TouchUtils.dragViewToY(this, lastChild, Gravity.TOP | Gravity.LEFT, |
| mGridView.getTop()); |
| |
| assertEquals("View scrolled to wrong position", |
| lastTop - (distance - ViewConfiguration.getTouchSlop() - 1), lastChild.getTop()); |
| } |
| |
| @LargeTest |
| public void testManyScrolls() { |
| int originalCount = mGridView.getChildCount(); |
| |
| View firstChild; |
| int firstId = Integer.MIN_VALUE; |
| int firstTop = Integer.MIN_VALUE; |
| int prevId; |
| int prevTop; |
| do { |
| prevId = firstId; |
| prevTop = firstTop; |
| TouchUtils.dragQuarterScreenUp(this); |
| assertTrue(String.format("Too many children created: %d expected no more than %d", |
| mGridView.getChildCount(), originalCount + 4), |
| mGridView.getChildCount() <= originalCount + 4); |
| firstChild = mGridView.getChildAt(0); |
| firstId = firstChild.getId(); |
| firstTop = firstChild.getTop(); |
| } while ((prevId != firstId) || (prevTop != firstTop)); |
| |
| |
| View lastChild = mGridView.getChildAt(mGridView.getChildCount() - 1); |
| assertEquals("Grid is not scrolled to the bottom", mGridView.getAdapter().getCount() - 1, |
| lastChild.getId()); |
| |
| firstId = Integer.MIN_VALUE; |
| firstTop = Integer.MIN_VALUE; |
| do { |
| prevId = firstId; |
| prevTop = firstTop; |
| TouchUtils.dragQuarterScreenDown(this); |
| assertTrue(String.format("Too many children created: %d expected no more than %d", |
| mGridView.getChildCount(), originalCount + 4), |
| mGridView.getChildCount() <= originalCount + 4); |
| firstChild = mGridView.getChildAt(0); |
| firstId = firstChild.getId(); |
| firstTop = firstChild.getTop(); |
| } while ((prevId != firstId) || (prevTop != firstTop)); |
| |
| firstChild = mGridView.getChildAt(0); |
| assertEquals("Grid is not scrolled to the top", 0, firstChild.getId()); |
| } |
| } |