| /* |
| * Copyright (C) 2017 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; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import android.appwidget.AppWidgetHostView; |
| import android.appwidget.AppWidgetManager; |
| import android.content.Context; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.view.View; |
| import android.view.ViewGroup.OnHierarchyChangeListener; |
| |
| import com.android.frameworks.coretests.R; |
| |
| import java.util.ArrayList; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.Executor; |
| import java.util.concurrent.Future; |
| |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| import org.junit.runner.RunWith; |
| |
| /** |
| * Tests for AppWidgetHostView |
| */ |
| @RunWith(AndroidJUnit4.class) |
| @SmallTest |
| public class AppWidgetHostViewTest { |
| |
| @Rule |
| public final ExpectedException exception = ExpectedException.none(); |
| |
| private Context mContext; |
| private String mPackage; |
| private AppWidgetHostView mHostView; |
| |
| private ViewAddListener mViewAddListener; |
| private RemoteViews mViews; |
| |
| @Before |
| public void setup() { |
| mContext = InstrumentationRegistry.getContext(); |
| mPackage = mContext.getPackageName(); |
| mHostView = new AppWidgetHostView(mContext); |
| mHostView.setAppWidget(0, AppWidgetManager.getInstance( |
| mContext).getInstalledProviders().get(0)); |
| |
| mViewAddListener = new ViewAddListener(); |
| mHostView.setOnHierarchyChangeListener(mViewAddListener); |
| |
| mViews = new RemoteViews(mPackage, R.layout.remote_views_test); |
| } |
| |
| @Test |
| public void syncInflation() { |
| mHostView.updateAppWidget(mViews); |
| assertNotNull(mHostView.findViewById(R.id.image)); |
| } |
| |
| @Test |
| public void asyncInflation() throws Exception { |
| RunnableList executor = new RunnableList(); |
| mHostView.setExecutor(executor); |
| |
| mHostView.updateAppWidget(mViews); |
| assertNull(mHostView.findViewById(R.id.image)); |
| |
| // Task queued. |
| assertEquals(1, executor.size()); |
| |
| // Execute the pending task |
| executor.get(0).run(); |
| mViewAddListener.addLatch.await(); |
| assertNotNull(mHostView.findViewById(R.id.image)); |
| } |
| |
| @Test |
| public void asyncInflation_cancelled() throws Exception { |
| RunnableList executor = new RunnableList(); |
| mHostView.setExecutor(executor); |
| |
| mHostView.updateAppWidget(mViews.clone()); |
| mHostView.updateAppWidget(mViews.clone()); |
| assertNull(mHostView.findViewById(R.id.image)); |
| |
| // Tasks queued. |
| assertEquals(2, executor.size()); |
| // First task cancelled |
| assertTrue(((Future) executor.get(0)).isCancelled()); |
| |
| // Execute the pending task |
| executor.get(0).run(); |
| executor.get(1).run(); |
| mViewAddListener.addLatch.await(); |
| assertNotNull(mHostView.findViewById(R.id.image)); |
| } |
| |
| private static class RunnableList extends ArrayList<Runnable> implements Executor { |
| |
| @Override |
| public void execute(Runnable runnable) { |
| add(runnable); |
| } |
| } |
| |
| private class ViewAddListener implements OnHierarchyChangeListener { |
| |
| public final CountDownLatch addLatch = new CountDownLatch(1); |
| |
| |
| @Override |
| public void onChildViewAdded(View parent, View child) { |
| addLatch.countDown(); |
| } |
| |
| @Override |
| public void onChildViewRemoved(View parent, View child) { |
| } |
| } |
| } |