android/util/perftests/LogPerfTest.java

/*
 * 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.util.perftests;

import android.perftests.utils.BenchmarkState;
import android.perftests.utils.PerfStatusReporter;
import android.util.Log;

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 LogPerfTest {

    private final String[] strings = new String[] {
            "This is a test log string 1",
            "This is a test log string 2",
            "This is a test log string 3",
            "This is a test log string 4",
            "This is a test log string 5",
    };

    @Rule
    public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();

    @Test
    public void testLogPerf() {
        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
        int i = 0;
        while (state.keepRunning()) {
            Log.d("LogPerfTest", strings[(i++) % strings.length]);
        }
    }
}