1 /*

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

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

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

    18  *

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

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 import org.reactivestreams.tck.TestEnvironment;

    25 import org.reactivestreams.tck.flow.FlowPublisherVerification;

    26 

    27 import java.net.http.HttpResponse.BodySubscriber;

    28 import java.net.http.HttpResponse.BodySubscribers;

    29 import java.nio.ByteBuffer;

    30 import java.util.List;

    31 import java.util.concurrent.Flow.Publisher;

    32 import java.util.stream.Stream;

    33 

    34 /* See TckDriver.java for more information */

    35 public class BodySubscribersOfPublisherPublisher

    36         extends FlowPublisherVerification<List<ByteBuffer>> {

    37 

    38     public BodySubscribersOfPublisherPublisher() {

    39         super(new TestEnvironment(450L));

    40     }

    41 

    42     @Override

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

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

    45                 BodySubscribers.ofPublisher();

    46         Stream<List<ByteBuffer>> buffers =

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

    48                       .limit(nElements);

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

    50         pub.subscribe(sub);

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

    52     }

    53 

    54     @Override

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

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

    57                 BodySubscribers.ofPublisher();

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

    59         pub.subscribe(sub);

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

    61     }

    62 

    63     @Override

    64     public long maxElementsFromPublisher() {

    65         return 21;

    66     }

    67 }