| /* |
| * 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.view; |
| |
| import android.graphics.Bitmap; |
| import android.test.ActivityInstrumentationTestCase; |
| |
| import androidx.test.filters.MediumTest; |
| |
| import com.android.frameworks.coretests.R; |
| |
| /** |
| * Builds the drawing cache of Views of various dimension. The assumption is that |
| * a View with a 0-sized dimension (width or height) will always have a null |
| * drawing cache. |
| */ |
| public class ZeroSizedTest extends ActivityInstrumentationTestCase<ZeroSized> { |
| private View mWithDimension; |
| private View mWithNoWdith; |
| private View mWithNoHeight; |
| private View mWithNoDimension; |
| |
| public ZeroSizedTest() { |
| super("com.android.frameworks.coretests", ZeroSized.class); |
| } |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| |
| final ZeroSized activity = getActivity(); |
| mWithDimension = activity.findViewById(R.id.dimension); |
| mWithNoWdith = activity.findViewById(R.id.noWidth); |
| mWithNoHeight = activity.findViewById(R.id.noHeight); |
| mWithNoDimension = activity.findViewById(R.id.noDimension); |
| } |
| |
| @MediumTest |
| public void testSetUpConditions() throws Exception { |
| assertNotNull(mWithDimension); |
| assertNotNull(mWithNoWdith); |
| assertNotNull(mWithNoHeight); |
| assertNotNull(mWithNoDimension); |
| } |
| |
| @MediumTest |
| public void testDrawingCacheWithDimension() throws Exception { |
| assertTrue(mWithDimension.getWidth() > 0); |
| assertTrue(mWithDimension.getHeight() > 0); |
| assertNotNull(createCacheForView(mWithDimension)); |
| } |
| |
| @MediumTest |
| public void testDrawingCacheWithNoWidth() throws Exception { |
| assertTrue(mWithNoWdith.getWidth() == 0); |
| assertTrue(mWithNoWdith.getHeight() > 0); |
| assertNull(createCacheForView(mWithNoWdith)); |
| } |
| |
| @MediumTest |
| public void testDrawingCacheWithNoHeight() throws Exception { |
| assertTrue(mWithNoHeight.getWidth() > 0); |
| assertTrue(mWithNoHeight.getHeight() == 0); |
| assertNull(createCacheForView(mWithNoHeight)); |
| } |
| |
| @MediumTest |
| public void testDrawingCacheWithNoDimension() throws Exception { |
| assertTrue(mWithNoDimension.getWidth() == 0); |
| assertTrue(mWithNoDimension.getHeight() == 0); |
| assertNull(createCacheForView(mWithNoDimension)); |
| } |
| |
| private Bitmap createCacheForView(final View view) { |
| final Bitmap[] cache = new Bitmap[1]; |
| getActivity().runOnUiThread(new Runnable() { |
| public void run() { |
| view.setDrawingCacheEnabled(true); |
| view.invalidate(); |
| view.buildDrawingCache(); |
| cache[0] = view.getDrawingCache(); |
| } |
| }); |
| getInstrumentation().waitForIdleSync(); |
| return cache[0]; |
| } |
| } |