Merge "AccountManager#getAccounts bench"

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

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

    <uses-permission

        android:name="android.permission.GET_ACCOUNTS" />

    <application>

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

        <activity android:name="android.perftests.utils.StubActivity" />

/*

 * Copyright (C) 2016 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.accounts;

import static junit.framework.Assert.fail;

import android.Manifest;

import android.content.Context;

import android.content.pm.PackageManager;

import android.perftests.utils.BenchmarkState;

import android.perftests.utils.PerfStatusReporter;

import android.support.test.InstrumentationRegistry;

import android.support.test.filters.LargeTest;

import android.support.test.runner.AndroidJUnit4;

import android.util.Log;

import org.junit.Rule;

import org.junit.Test;

import org.junit.runner.RunWith;

@RunWith(AndroidJUnit4.class)

@LargeTest

public class AccountManagerPerfTest {

    @Rule

    public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();

    @Test

    public void testGetAccounts() {

        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();

        final Context context = InstrumentationRegistry.getTargetContext();

        if (context.checkSelfPermission(Manifest.permission.GET_ACCOUNTS)

                != PackageManager.PERMISSION_GRANTED) {

            fail("Missing required GET_ACCOUNTS permission");

        }

        AccountManager accountManager = AccountManager.get(context);

        while (state.keepRunning()) {

            accountManager.getAccounts();

        }

    }

}