Merge "SettingsProvider perf test"

package {

    // See: http://go/android-license-faq

    // A large-scale-change added 'default_applicable_licenses' to import

    // all of the 'license_kinds' from "frameworks_base_license"

    // to get the below license kinds:

    //   SPDX-license-identifier-Apache-2.0

    default_applicable_licenses: ["frameworks_base_license"],

}

android_test {

    name: "SettingsProviderPerfTests",

    srcs: [

        "src/**/*.java",

        "src/**/*.kt",

    ],

    static_libs: [

        "platform-compat-test-rules",

        "androidx.appcompat_appcompat",

        "androidx.test.rules",

        "androidx.test.ext.junit",

        "androidx.annotation_annotation",

        "apct-perftests-utils",

        "collector-device-lib-platform",

        "cts-install-lib-java",

        "services.core",

    ],

    libs: ["android.test.base"],

    platform_apis: true,

    test_suites: ["device-tests"],

    data: [":perfetto_artifacts"],

    certificate: "platform",

}

<?xml version="1.0" encoding="utf-8"?>

<!-- Copyright (C) 2022 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.

-->

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

        package="com.android.perftests.multiuser">

    <uses-permission android:name="android.permission.WRITE_SECURE_SETTINGS" />

    <uses-permission android:name="android.permission.READ_DEVICE_CONFIG" />

    <uses-permission android:name="android.permission.WRITE_DEVICE_CONFIG" />

    <application>

        <uses-library android:name="android.test.runner" />

    </application>

    <instrumentation android:name="androidx.test.runner.AndroidJUnitRunner"

            android:targetPackage="com.android.perftests.multiuser"/>

</manifest>

/*

 * Copyright (C) 2022 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.provider;

import android.content.ContentResolver;

import android.content.Context;

import android.perftests.utils.BenchmarkState;

import android.perftests.utils.PerfStatusReporter;

import androidx.test.ext.junit.runners.AndroidJUnit4;

import androidx.test.platform.app.InstrumentationRegistry;

import org.junit.After;

import org.junit.Before;

import org.junit.Rule;

import org.junit.Test;

import org.junit.runner.RunWith;

import java.util.ArrayList;

import java.util.List;

@RunWith(AndroidJUnit4.class)

public final class SettingsProviderPerfTest {

    private static final String NAMESPACE = "test@namespace";

    private static final String SETTING_NAME1 = "test:setting1";

    private static final String SETTING_NAME2 = "test-setting2";

    private final ContentResolver mContentResolver;

    @Rule

    public final PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();

    public SettingsProviderPerfTest() {

        final Context context = InstrumentationRegistry.getInstrumentation().getContext();

        mContentResolver = context.getContentResolver();

    }

    @Before

    public void setUp() {

        Settings.Secure.putString(mContentResolver, SETTING_NAME1, "1");

        Settings.Config.putString(NAMESPACE, SETTING_NAME1, "1", true);

        Settings.Config.putString(NAMESPACE, SETTING_NAME2, "2", true);

    }

    @After

    public void destroy() {

        Settings.Secure.putString(mContentResolver, SETTING_NAME1, "null");

        Settings.Config.deleteString(NAMESPACE, SETTING_NAME1);

        Settings.Config.deleteString(NAMESPACE, SETTING_NAME2);

    }

    @Test

    public void testSettingsValueConsecutiveRead() {

        final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        int i = 0;

        while (state.keepRunning()) {

            state.pauseTiming();

            // Writing to setting2 should not invalidate setting1's cache

            Settings.Secure.putString(mContentResolver, SETTING_NAME2, Integer.toString(i));

            i++;

            state.resumeTiming();

            Settings.Secure.getString(mContentResolver, SETTING_NAME1);

        }

    }

    @Test

    public void testSettingsValueConsecutiveReadAfterWrite() {

        final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        int i = 0;

        while (state.keepRunning()) {

            state.pauseTiming();

            // Triggering the invalidation of setting1's cache

            Settings.Secure.putString(mContentResolver, SETTING_NAME1, Integer.toString(i));

            i++;

            state.resumeTiming();

            Settings.Secure.getString(mContentResolver, SETTING_NAME1);

        }

    }

    @Test

    public void testSettingsNamespaceConsecutiveRead() {

        final List<String> names = new ArrayList<>();

        names.add(SETTING_NAME1);

        final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        while (state.keepRunning()) {

            Settings.Config.getStrings(mContentResolver, NAMESPACE, names);

        }

    }

    @Test

    public void testSettingsNamespaceConsecutiveReadAfterWrite() {

        final List<String> names = new ArrayList<>();

        names.add(SETTING_NAME1);

        final BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        int i = 0;

        while (state.keepRunning()) {

            state.pauseTiming();

            // Triggering the invalidation of the list's cache

            Settings.Config.putString(NAMESPACE, SETTING_NAME2, Integer.toString(i), true);

            i++;

            state.resumeTiming();

            Settings.Config.getStrings(mContentResolver, NAMESPACE, names);

        }

    }

}