diff -r 2c3cc4b01880 -r c16ac7a2eba4 test/jdk/jdk/jfr/api/consumer/streaming/TestEventRegistration.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/consumer/streaming/TestEventRegistration.java	Wed Oct 30 19:43:52 2019 +0100
@@ -0,0 +1,81 @@
+/*
+ * 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 jdk.jfr.api.consumer.streaming;
+
+import java.util.concurrent.CountDownLatch;
+
+import jdk.jfr.Event;
+import jdk.jfr.FlightRecorder;
+import jdk.jfr.Registered;
+import jdk.jfr.consumer.RecordingStream;
+
+/**
+ * @test
+ * @summary Test that it is possible to register new metadata in a chunk
+ * @key jfr
+ * @requires vm.hasJFR
+ * @library /test/lib
+ * @run main/othervm jdk.jfr.api.consumer.streaming.TestEventRegistration
+ */
+public class TestEventRegistration {
+    @Registered(false)
+    static class StreamEvent1 extends Event {
+    }
+
+    @Registered(false)
+    static class StreamEvent2 extends Event {
+    }
+
+    public static void main(String... args) throws Exception {
+
+        CountDownLatch s1Latch = new CountDownLatch(1);
+        CountDownLatch s2Latch = new CountDownLatch(1);
+        try (RecordingStream es = new RecordingStream()) {
+            es.onEvent(StreamEvent1.class.getName(), e -> {
+                s1Latch.countDown();
+            });
+            es.onEvent(StreamEvent2.class.getName(), e -> {
+                s2Latch.countDown();
+            });
+            es.startAsync();
+            System.out.println("Registering " + StreamEvent1.class.getName());
+            FlightRecorder.register(StreamEvent1.class);
+            StreamEvent1 s1 = new StreamEvent1();
+            s1.commit();
+            System.out.println(StreamEvent1.class.getName() + " commited");
+            System.out.println("Awaiting latch for " + StreamEvent1.class.getName());
+            s1Latch.await();
+            System.out.println();
+            System.out.println("Registering " + StreamEvent2.class.getName());
+            FlightRecorder.register(StreamEvent2.class);
+            StreamEvent2 s2 = new StreamEvent2();
+            s2.commit();
+            System.out.println(StreamEvent2.class.getName() + " commited");
+            System.out.println("Awaiting latch for " + StreamEvent2.class.getName());
+            s2Latch.await();
+        }
+    }
+}