| /* |
| * 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package org.reactivestreams.tck.flow; |
| |
| import org.reactivestreams.Publisher; |
| import org.reactivestreams.FlowAdapters; |
| import org.reactivestreams.tck.PublisherVerification; |
| import org.reactivestreams.tck.TestEnvironment; |
| |
| import java.util.concurrent.Flow; |
| |
| /** |
| * Provides tests for verifying a Java 9+ {@link java.util.concurrent.Flow.Publisher} specification rules. |
| * |
| * @see java.util.concurrent.Flow.Publisher |
| */ |
| public abstract class FlowPublisherVerification<T> extends PublisherVerification<T> { |
| |
| public FlowPublisherVerification(TestEnvironment env, long publisherReferenceGCTimeoutMillis) { |
| super(env, publisherReferenceGCTimeoutMillis); |
| } |
| |
| public FlowPublisherVerification(TestEnvironment env) { |
| super(env); |
| } |
| |
| @Override |
| final public Publisher<T> createPublisher(long elements) { |
| final Flow.Publisher<T> flowPublisher = createFlowPublisher(elements); |
| return FlowAdapters.toPublisher(flowPublisher); |
| } |
| /** |
| * This is the main method you must implement in your test incarnation. |
| * It must create a Publisher for a stream with exactly the given number of elements. |
| * If `elements` is `Long.MAX_VALUE` the produced stream must be infinite. |
| */ |
| public abstract Flow.Publisher<T> createFlowPublisher(long elements); |
| |
| @Override |
| final public Publisher<T> createFailedPublisher() { |
| final Flow.Publisher<T> failed = createFailedFlowPublisher(); |
| if (failed == null) return null; // because `null` means "SKIP" in createFailedPublisher |
| else return FlowAdapters.toPublisher(failed); |
| } |
| /** |
| * By implementing this method, additional TCK tests concerning a "failed" publishers will be run. |
| * |
| * The expected behaviour of the {@link Flow.Publisher} returned by this method is hand out a subscription, |
| * followed by signalling {@code onError} on it, as specified by Rule 1.9. |
| * |
| * If you ignore these additional tests, return {@code null} from this method. |
| */ |
| public abstract Flow.Publisher<T> createFailedFlowPublisher(); |
| } |