| /* |
| * Copyright (C) 2008 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.content; |
| |
| import android.database.Cursor; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.provider.Settings; |
| import android.test.AndroidTestCase; |
| |
| import androidx.test.filters.MediumTest; |
| import androidx.test.filters.Suppress; |
| |
| import java.util.Observable; |
| import java.util.Observer; |
| |
| /** Test of {@link ContentQueryMap} */ |
| @Suppress // Failing. |
| public class ContentQueryMapTest extends AndroidTestCase { |
| /** Helper class to run test code in a new thread with a Looper. */ |
| private abstract class LooperThread extends Thread { |
| public Throwable mError = null; |
| public boolean mSuccess = false; |
| |
| abstract void go(); |
| |
| public void run() { |
| try { |
| Looper.prepare(); |
| go(); |
| Looper.loop(); |
| } catch (Throwable e) { |
| mError = e; |
| } |
| } |
| } |
| |
| @MediumTest |
| public void testContentQueryMap() throws Throwable { |
| LooperThread thread = new LooperThread() { |
| void go() { |
| ContentResolver r = getContext().getContentResolver(); |
| Settings.System.putString(r, "test", "Value"); |
| Cursor cursor = r.query( |
| Settings.System.CONTENT_URI, |
| new String[] { |
| Settings.System.NAME, |
| Settings.System.VALUE, |
| }, null, null, null); |
| |
| final ContentQueryMap cqm = new ContentQueryMap( |
| cursor, Settings.System.NAME, true, null); |
| // Get the current state of the CQM. This forces a requery and means that the |
| // call to getValues() below won't do a requery(). |
| cqm.getRows(); |
| |
| // The cache won't notice changes until the loop runs. |
| Settings.System.putString(r, "test", "New Value"); |
| ContentValues v = cqm.getValues("test"); |
| String value = v.getAsString(Settings.System.VALUE); |
| assertEquals("Value", value); |
| |
| // Use an Observer to find out when the cache does update. |
| cqm.addObserver(new Observer() { |
| public void update(Observable o, Object arg) { |
| // Should have the new values by now. |
| ContentValues v = cqm.getValues("test"); |
| String value = v.getAsString(Settings.System.VALUE); |
| assertEquals("New Value", value); |
| Looper.myLooper().quit(); |
| cqm.close(); |
| mSuccess = true; |
| } |
| }); |
| |
| // Give up after a few seconds, if it doesn't. |
| new Handler().postDelayed(new Runnable() { |
| public void run() { |
| fail("Timed out"); |
| } |
| }, 5000); |
| } |
| }; |
| |
| thread.start(); |
| thread.join(); |
| if (thread.mError != null) throw thread.mError; |
| assertTrue(thread.mSuccess); |
| } |
| } |