| /* |
| * Copyright (C) 2020 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.database; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import android.content.ContentProviderClient; |
| import android.content.ContentValues; |
| import android.content.Intent; |
| import android.net.Uri; |
| import android.perftests.utils.BenchmarkState; |
| import android.perftests.utils.PerfStatusReporter; |
| |
| import androidx.test.InstrumentationRegistry; |
| import androidx.test.filters.LargeTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @RunWith(AndroidJUnit4.class) |
| @LargeTest |
| public class CrossProcessCursorPerfTest { |
| @Rule |
| public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter(); |
| |
| /** |
| * Measure transporting a small {@link Cursor}, roughly 1KB in size. |
| */ |
| @Test |
| public void timeSmall() throws Exception { |
| time(1); |
| } |
| |
| /** |
| * Measure transporting a small {@link Cursor}, roughly 54KB in size. |
| */ |
| @Test |
| public void timeMedium() throws Exception { |
| time(100); |
| } |
| |
| /** |
| * Measure transporting a small {@link Cursor}, roughly 5.4MB in size. |
| */ |
| @Test |
| public void timeLarge() throws Exception { |
| time(10_000); |
| } |
| |
| private static final Uri TEST_URI = Uri.parse("content://android.os.SomeProvider/"); |
| |
| private void time(int count) throws Exception { |
| try (ContentProviderClient client = InstrumentationRegistry.getTargetContext() |
| .getContentResolver().acquireContentProviderClient(TEST_URI)) { |
| // Configure remote side once with data size to return |
| final ContentValues values = new ContentValues(); |
| values.put(Intent.EXTRA_INDEX, count); |
| client.update(TEST_URI, values, null); |
| |
| // Repeatedly query that data until we reach convergence |
| final BenchmarkState state = mPerfStatusReporter.getBenchmarkState(); |
| while (state.keepRunning()) { |
| try (Cursor c = client.query(TEST_URI, null, null, null)) { |
| // Actually walk the returned values to ensure we pull all |
| // data from the remote side |
| while (c.moveToNext()) { |
| assertEquals(c.getPosition(), c.getInt(0)); |
| } |
| } |
| } |
| } |
| } |
| } |