--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/consumer/streaming/TestFilledChunks.java Wed Oct 30 19:43:52 2019 +0100
@@ -0,0 +1,82 @@
+/*
+ * 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.Random;
+
+import jdk.jfr.Event;
+import jdk.jfr.consumer.RecordingStream;
+
+/**
+ * @test
+ * @summary Test that it is possible to iterate over chunk with normal events
+ * @key jfr
+ * @requires vm.hasJFR
+ * @library /test/lib
+ * @run main/othervm jdk.jfr.api.consumer.streaming.TestFilledChunks
+ */
+public class TestFilledChunks {
+
+ static class FillEvent extends Event {
+ String message;
+ int value;
+ int id;
+ }
+
+ static class EndEvent extends Event {
+ }
+
+ // Will generate about 100 MB of data, or 8-9 chunks
+ private static final int EVENT_COUNT = 5_000_000;
+
+ public static void main(String... args) throws Exception {
+ try (RecordingStream rs = new RecordingStream()) {
+ rs.onEvent(FillEvent.class.getName(), e -> {
+ int id = e.getInt("id");
+ // Some events may get lost due to
+ // buffer being full.
+ if (id > EVENT_COUNT / 2) {
+ rs.close();
+ }
+ });
+ rs.startAsync();
+ long seed = System.currentTimeMillis();
+ System.out.println("Random seed: " + seed);
+ Random r = new Random(seed);
+ for (int i = 1; i < EVENT_COUNT; i++) {
+ FillEvent f = new FillEvent();
+ f.message = i % 2 == 0 ? "hello, hello, hello, hello, hello!" : "hi!";
+ f.value = r.nextInt(10000);
+ f.id = i;
+ f.commit();
+ if (i % 1_000_000 == 0) {
+ System.out.println("Emitted " + i + " events");
+ }
+ }
+ rs.awaitTermination();
+ }
+ }
+}