| /* |
| * Copyright (C) 2015 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 com.android.providers.settings; |
| |
| import static junit.framework.Assert.assertEquals; |
| import static junit.framework.Assert.assertTrue; |
| |
| import android.os.SystemClock; |
| import android.os.UserHandle; |
| import android.util.Log; |
| import org.junit.Test; |
| |
| /** |
| * Performance tests for the SettingContentProvider. |
| */ |
| public class SettingsProviderPerformanceTest extends BaseSettingsProviderTest { |
| private static final String LOG_TAG = "SettingsProviderPerformanceTest"; |
| |
| private static final int ITERATION_COUNT = 100; |
| |
| private static final int MICRO_SECONDS_IN_MILLISECOND = 1000; |
| |
| private static final long MAX_AVERAGE_SET_AND_GET_SETTING_DURATION_MILLIS = 20; |
| |
| @Test |
| public void testSetAndGetPerformanceForGlobalViaFrontEndApi() throws Exception { |
| // Start with a clean slate. |
| insertStringViaProviderApi(SETTING_TYPE_GLOBAL, |
| FAKE_SETTING_NAME, FAKE_SETTING_VALUE, false); |
| |
| final long startTimeMicro = SystemClock.currentTimeMicro(); |
| |
| try { |
| for (int i = 0; i < ITERATION_COUNT; i++) { |
| // Set the setting to its first value. |
| updateStringViaProviderApiSetting(SETTING_TYPE_GLOBAL, FAKE_SETTING_NAME, |
| FAKE_SETTING_VALUE); |
| |
| // Make sure the setting changed. |
| String firstValue = getStringViaFrontEndApiSetting(SETTING_TYPE_GLOBAL, |
| FAKE_SETTING_NAME, UserHandle.USER_SYSTEM); |
| assertEquals("Setting value didn't change", FAKE_SETTING_VALUE, firstValue); |
| |
| // Set the setting to its second value. |
| updateStringViaProviderApiSetting(SETTING_TYPE_GLOBAL, FAKE_SETTING_NAME, |
| FAKE_SETTING_VALUE_1); |
| |
| // Make sure the setting changed. |
| String secondValue = getStringViaFrontEndApiSetting(SETTING_TYPE_GLOBAL, |
| FAKE_SETTING_NAME, UserHandle.USER_SYSTEM); |
| assertEquals("Setting value didn't change", FAKE_SETTING_VALUE_1, secondValue); |
| } |
| } finally { |
| // Clean up. |
| deleteStringViaProviderApi(SETTING_TYPE_GLOBAL, FAKE_SETTING_NAME); |
| } |
| |
| final long elapsedTimeMicro = SystemClock.currentTimeMicro() - startTimeMicro; |
| |
| final long averageTimePerIterationMillis = (long) ((((float) elapsedTimeMicro) |
| / ITERATION_COUNT) / MICRO_SECONDS_IN_MILLISECOND); |
| |
| Log.i(LOG_TAG, "Average time to set and get setting via provider APIs: " |
| + averageTimePerIterationMillis + " ms"); |
| |
| assertTrue("Setting and getting a settings takes too long.", averageTimePerIterationMillis |
| < MAX_AVERAGE_SET_AND_GET_SETTING_DURATION_MILLIS); |
| } |
| |
| @Test |
| public void testSetAndGetPerformanceForGlobalViaProviderApi() throws Exception { |
| // Start with a clean slate. |
| deleteStringViaProviderApi(SETTING_TYPE_GLOBAL, FAKE_SETTING_NAME); |
| |
| final long startTimeMicro = SystemClock.currentTimeMicro(); |
| |
| try { |
| for (int i = 0; i < ITERATION_COUNT; i++) { |
| // Set the setting to its first value. |
| setStringViaFrontEndApiSetting(SETTING_TYPE_GLOBAL, FAKE_SETTING_NAME, |
| FAKE_SETTING_VALUE, UserHandle.USER_SYSTEM); |
| |
| // Make sure the setting changed. |
| String firstValue = getStringViaFrontEndApiSetting(SETTING_TYPE_GLOBAL, |
| FAKE_SETTING_NAME, UserHandle.USER_SYSTEM); |
| assertEquals("Setting value didn't change", FAKE_SETTING_VALUE, firstValue); |
| |
| // Set the setting to its second value. |
| setStringViaFrontEndApiSetting(SETTING_TYPE_GLOBAL, FAKE_SETTING_NAME, |
| FAKE_SETTING_VALUE_1, UserHandle.USER_SYSTEM); |
| |
| // Make sure the setting changed. |
| String secondValue = getStringViaFrontEndApiSetting(SETTING_TYPE_GLOBAL, |
| FAKE_SETTING_NAME, UserHandle.USER_SYSTEM); |
| assertEquals("Setting value didn't change", FAKE_SETTING_VALUE_1, secondValue); |
| } |
| } finally { |
| // Clean up. |
| deleteStringViaProviderApi(SETTING_TYPE_GLOBAL, FAKE_SETTING_NAME); |
| } |
| |
| final long elapsedTimeMicro = SystemClock.currentTimeMicro() - startTimeMicro; |
| |
| final long averageTimePerIterationMillis = (long) ((((float) elapsedTimeMicro) |
| / ITERATION_COUNT) / MICRO_SECONDS_IN_MILLISECOND); |
| |
| Log.i(LOG_TAG, "Average time to set and get setting via front-eng APIs: " |
| + averageTimePerIterationMillis + " ms"); |
| |
| assertTrue("Setting and getting a settings takes too long.", averageTimePerIterationMillis |
| < MAX_AVERAGE_SET_AND_GET_SETTING_DURATION_MILLIS); |
| } |
| } |