/*
 * Copyright (c) 2016-present, RxJava Contributors.
 *
 * 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 io.reactivex.rxjava4.core;

import java.util.concurrent.TimeUnit;

import org.openjdk.jmh.annotations.*;
import org.openjdk.jmh.infra.Blackhole;

import io.reactivex.rxjava4.processors.PublishProcessor;
import io.reactivex.rxjava4.subjects.PublishSubject;

@SuppressWarnings("exports")
@BenchmarkMode(Mode.Throughput)
@Warmup(iterations = 5)
@Measurement(iterations = 5, time = 5, timeUnit = TimeUnit.SECONDS)
@OutputTimeUnit(TimeUnit.SECONDS)
@Fork(value = 1)
@State(Scope.Thread)
public class PublishProcessorPerf {

    PublishProcessor<Integer> unbounded;

    PublishProcessor<Integer> bounded;

    PublishSubject<Integer> subject;

    @Setup
    public void setup(Blackhole bh) {
        unbounded = PublishProcessor.create();
        unbounded.subscribe(new PerfConsumer(bh));

        bounded = PublishProcessor.create();
        bounded.subscribe(new PerfBoundedSubscriber(bh, 1000 * 1000));

        subject = PublishSubject.create();
        subject.subscribe(new PerfConsumer(bh));
    }

    @Benchmark
    public void unbounded1() {
        unbounded.onNext(1);
    }

    @Benchmark
    public void unbounded1k() {
        for (int i = 0; i < 1000; i++) {
            unbounded.onNext(1);
        }
    }

    @Benchmark
    public void unbounded1m() {
        for (int i = 0; i < 1000000; i++) {
            unbounded.onNext(1);
        }
    }

    @Benchmark
    public void bounded1() {
        bounded.onNext(1);
    }

    @Benchmark
    public void bounded1k() {
        for (int i = 0; i < 1000; i++) {
            bounded.onNext(1);
        }
    }

    @Benchmark
    public void bounded1m() {
        for (int i = 0; i < 1000000; i++) {
            bounded.onNext(1);
        }
    }

    @Benchmark
    public void subject1() {
        subject.onNext(1);
    }

    @Benchmark
    public void subject1k() {
        for (int i = 0; i < 1000; i++) {
            subject.onNext(1);
        }
    }

    @Benchmark
    public void subject1m() {
        for (int i = 0; i < 1000000; i++) {
            subject.onNext(1);
        }
    }
}
