--- /dev/null	2017-10-29 15:33:32.190964158 +0000
+++ new/test/jdk/java/net/httpclient/FlowAdaptersCompileOnly.java	2017-12-20 15:00:31.951974073 +0000
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2017, 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.
+ */
+
+import java.nio.ByteBuffer;
+import java.nio.MappedByteBuffer;
+import java.util.Collection;
+import java.util.List;
+import java.util.concurrent.Flow;
+import java.util.function.Function;
+import jdk.incubator.http.HttpRequest.BodyPublisher;
+import jdk.incubator.http.HttpResponse.BodyHandler;
+import jdk.incubator.http.HttpResponse.BodySubscriber;
+
+/*
+ * @test
+ * @summary Basic test for Flow adapters with generic type parameters
+ * @compile FlowAdaptersCompileOnly.java
+ */
+
+public class FlowAdaptersCompileOnly {
+
+    static void makesSureDifferentGenericSignaturesCompile() {
+        BodyPublisher.fromPublisher(new BBPublisher());
+        BodyPublisher.fromPublisher(new MBBPublisher());
+
+        BodyHandler.fromSubscriber(new ListSubscriber());
+        BodyHandler.fromSubscriber(new CollectionSubscriber());
+        BodyHandler.fromSubscriber(new IterableSubscriber());
+        BodyHandler.fromSubscriber(new ObjectSubscriber());
+
+        BodySubscriber.fromSubscriber(new ListSubscriber());
+        BodySubscriber.fromSubscriber(new CollectionSubscriber());
+        BodySubscriber.fromSubscriber(new IterableSubscriber());
+        BodySubscriber.fromSubscriber(new ObjectSubscriber());
+
+        BodyPublisher.fromPublisher(new BBPublisher(), 1);
+        BodyPublisher.fromPublisher(new MBBPublisher(), 1);
+
+        BodyHandler.fromSubscriber(new ListSubscriber(), Function.identity());
+        BodyHandler.fromSubscriber(new CollectionSubscriber(), Function.identity());
+        BodyHandler.fromSubscriber(new IterableSubscriber(), Function.identity());
+        BodyHandler.fromSubscriber(new ObjectSubscriber(), Function.identity());
+
+        BodySubscriber.fromSubscriber(new ListSubscriber(), Function.identity());
+        BodySubscriber.fromSubscriber(new CollectionSubscriber(), Function.identity());
+        BodySubscriber.fromSubscriber(new IterableSubscriber(), Function.identity());
+        BodySubscriber.fromSubscriber(new ObjectSubscriber(), Function.identity());
+    }
+
+    static class BBPublisher implements Flow.Publisher<ByteBuffer> {
+        @Override
+        public void subscribe(Flow.Subscriber<? super ByteBuffer> subscriber) { }
+    }
+
+    static class MBBPublisher implements Flow.Publisher<MappedByteBuffer> {
+        @Override
+        public void subscribe(Flow.Subscriber<? super MappedByteBuffer> subscriber) { }
+    }
+
+    static class ListSubscriber implements Flow.Subscriber<List<ByteBuffer>> {
+        @Override public void onSubscribe(Flow.Subscription subscription) { }
+        @Override public void onNext(List<ByteBuffer> item) { }
+        @Override public void onError(Throwable throwable) { }
+        @Override public void onComplete() { }
+    }
+
+    static class CollectionSubscriber implements Flow.Subscriber<Collection<ByteBuffer>> {
+        @Override public void onSubscribe(Flow.Subscription subscription) { }
+        @Override public void onNext(Collection<ByteBuffer> item) { }
+        @Override public void onError(Throwable throwable) { }
+        @Override public void onComplete() { }
+    }
+
+    static class IterableSubscriber implements Flow.Subscriber<Iterable<ByteBuffer>> {
+        @Override public void onSubscribe(Flow.Subscription subscription) { }
+        @Override public void onNext(Iterable<ByteBuffer> item) { }
+        @Override public void onError(Throwable throwable) { }
+        @Override public void onComplete() { }
+    }
+
+    static class ObjectSubscriber implements Flow.Subscriber<Object> {
+        @Override public void onSubscribe(Flow.Subscription subscription) { }
+        @Override public void onNext(Object item) { }
+        @Override public void onError(Throwable throwable) { }
+        @Override public void onComplete() { }
+    }
+}