author | dfuchs |
Tue, 01 Oct 2019 12:10:33 +0100 | |
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/* |
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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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} |