85 lines
3.2 KiB
Java
85 lines
3.2 KiB
Java
/*
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import org.reactivestreams.tck.TestEnvironment;
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import org.reactivestreams.tck.flow.FlowSubscriberBlackboxVerification;
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import java.net.http.HttpResponse.BodySubscriber;
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import java.net.http.HttpResponse.BodySubscribers;
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import java.nio.ByteBuffer;
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import java.util.List;
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import java.util.concurrent.CompletionStage;
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import java.util.concurrent.Flow.Publisher;
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import java.util.concurrent.Flow.Subscriber;
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import java.util.concurrent.Flow.Subscription;
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/* See TckDriver.java for more information */
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public class BodySubscribersOfPublisher1
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extends FlowSubscriberBlackboxVerification<List<ByteBuffer>> {
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public BodySubscribersOfPublisher1() {
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super(new TestEnvironment(450L));
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}
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/* The reason for overriding this method is that BodySubscribers.ofPublisher
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is somewhat tricky. It is not an independent Subscriber, but rather
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an adaptor from Subscriber to Publisher. Until the Subscriber that
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subscribed to that resulting Publisher requests anything, nothing
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happens. */
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@Override
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public void triggerFlowRequest(
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Subscriber<? super List<ByteBuffer>> subscriber)
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{
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BodySubscriber<Publisher<List<ByteBuffer>>> sub =
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(BodySubscriber<Publisher<List<ByteBuffer>>>) subscriber;
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CompletionStage<Publisher<List<ByteBuffer>>> body = sub.getBody();
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Publisher<List<ByteBuffer>> pub = body.toCompletableFuture().join();
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pub.subscribe(new Subscriber<>() {
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Subscription sub;
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@Override
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public void onSubscribe(Subscription subscription) {
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(sub = subscription).request(1);
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}
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@Override public void onNext(List<ByteBuffer> item) {
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sub.request(1);
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}
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@Override public void onError(Throwable throwable) { }
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@Override public void onComplete() { }
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});
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}
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@Override
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public Subscriber<List<ByteBuffer>> createFlowSubscriber() {
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return BodySubscribers.ofPublisher();
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}
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@Override
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public List<ByteBuffer> createElement(int element) {
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return S.listOfBuffersFromBufferOfNBytes(element % 17);
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}
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}
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