/*

 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * 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,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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import org.reactivestreams.tck.TestEnvironment;

import org.reactivestreams.tck.flow.FlowPublisherVerification;

import java.net.http.HttpResponse.BodySubscriber;

import java.net.http.HttpResponse.BodySubscribers;

import java.nio.ByteBuffer;

import java.util.List;

import java.util.concurrent.Flow.Publisher;

import java.util.stream.Stream;

/* See TckDriver.java for more information */

public class BodySubscribersOfPublisherPublisher

        extends FlowPublisherVerification<List<ByteBuffer>> {

    public BodySubscribersOfPublisherPublisher() {

        super(new TestEnvironment(450L));

    }

    @Override

    public Publisher<List<ByteBuffer>> createFlowPublisher(long nElements) {

        BodySubscriber<Publisher<List<ByteBuffer>>> sub =

                BodySubscribers.ofPublisher();

        Stream<List<ByteBuffer>> buffers =

                Stream.generate(() -> S.listOfBuffersFromBufferOfNBytes(1024))

                      .limit(nElements);

        Publisher<List<ByteBuffer>> pub = S.publisherOfStream(buffers);

        pub.subscribe(sub);

        return sub.getBody().toCompletableFuture().join();

    }

    @Override

    public Publisher<List<ByteBuffer>> createFailedFlowPublisher() {

        BodySubscriber<Publisher<List<ByteBuffer>>> sub =

                BodySubscribers.ofPublisher();

        Publisher<List<ByteBuffer>> pub = S.newErroredPublisher();

        pub.subscribe(sub);

        return sub.getBody().toCompletableFuture().join();

    }

    @Override

    public long maxElementsFromPublisher() {

        return 21;

    }

}