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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
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package jdk.jfr.api.consumer.streaming;

import java.util.Random;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicInteger;

import jdk.jfr.Event;
import jdk.jfr.consumer.RecordingStream;

/**
 * @test
 * @summary Test that it is possible to iterate over chunk with normal events
 * @key jfr
 * @requires vm.hasJFR
 * @library /test/lib
 * @run main/othervm jdk.jfr.api.consumer.streaming.TestFilledChunks
 */
public class TestFilledChunks {

    static class FillEvent extends Event {
        String message;
        int value;
        int id;
    }

    static class EndEvent extends Event {
    }

    // Will generate about 100 MB of data, or 8-9 chunks
    private static final int EVENT_COUNT = 5_000_000;

    public static void main(String... args) throws Exception {
        CountDownLatch end = new CountDownLatch(1);
        AtomicInteger idCounter = new AtomicInteger();
        try (RecordingStream es = new RecordingStream()) {
            es.onEvent(EndEvent.class.getName(), e -> end.countDown());
            es.onEvent(FillEvent.class.getName(), e -> {
                idCounter.incrementAndGet();
//                if (id != expected) {
//                    throw new Error("Expected id " + expected + ", but got " + id);
//                }
            });
            es.startAsync();
            long seed = System.currentTimeMillis();
            System.out.println("Random seed: " + seed);
            Random r = new Random(seed);
            for (int i = 1; i < EVENT_COUNT; i++) {
                FillEvent f = new FillEvent();
                f.message = i %2 == 0 ? "ko" : "kak";
                f.value = r.nextInt(10000);
                f.id = i;
                f.commit();
                if (i % 1_000_000 == 0) {
                    System.out.println("Emitted " + i + " events");
                }
            }
            System.out.println("Awaiting end event");
            Thread.sleep(1_000);
            for (int i = 1; i < EVENT_COUNT; i++) {
                EndEvent e = new EndEvent();
                e.commit();
            }
            end.await();

        }
    }
}