# HG changeset patch
# User egahlin
# Date 1565981432 -7200
# Node ID 88316b070ab978f66c8c3545c200cb43841f79e2
# Parent  7758008806d18eb5624331dbfabc962fe21477bf
Test streaming over missing chunks

diff -r 7758008806d1 -r 88316b070ab9 test/jdk/jdk/jfr/api/consumer/streaming/TestChunkGap.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/consumer/streaming/TestChunkGap.java	Fri Aug 16 20:50:32 2019 +0200
@@ -0,0 +1,108 @@
+/*
+ * 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.time.Instant;
+import java.util.concurrent.CountDownLatch;
+
+import jdk.jfr.Event;
+import jdk.jfr.Recording;
+import jdk.jfr.consumer.EventStream;
+
+/**
+ * @test
+ * @summary Tests that a stream can gracefully handle chunk being removed in the
+ *          middle
+ * @key jfr
+ * @requires vm.hasJFR
+ * @library /test/lib
+ * @run main/othervm jdk.jfr.api.consumer.streaming.TestFilledChunks
+ */
+public class TestChunkGap {
+
+    static class StartEvent extends Event {
+    }
+
+    static class TestGapEvent extends Event {
+    }
+
+    static class EndEvent extends Event {
+    }
+
+    static long count;
+
+    public static void main(String... args) throws Exception {
+
+        CountDownLatch gap = new CountDownLatch(1);
+        try (EventStream s = EventStream.openRepository()) {
+            try (Recording r1 = new Recording()) {
+                s.setStartTime(Instant.EPOCH);
+                s.onEvent(e -> {
+                    System.out.println(e);
+                    try {
+                        gap.await();
+                    } catch (InterruptedException e1) {
+                        e1.printStackTrace();
+                    }
+                    count++;
+                    if (e.getEventType().getName().equals(EndEvent.class.getName())) {
+                        s.close();
+                    }
+                });
+                s.startAsync();
+
+                r1.enable(StartEvent.class);
+                r1.start();
+                StartEvent event1 = new StartEvent();
+                event1.commit();
+                r1.stop();
+
+                // create chunk that is removed
+                try (Recording r2 = new Recording()) {
+                    r2.enable(TestGapEvent.class);
+                    r2.start();
+                    TestGapEvent event2 = new TestGapEvent();
+                    event2.commit();
+                    r2.stop();
+                }
+                gap.countDown();
+                try (Recording r3 = new Recording()) {
+                    r3.enable(EndEvent.class);
+                    r3.start();
+                    EndEvent event3 = new EndEvent();
+                    event3.commit();
+                    r3.stop();
+
+                    s.awaitTermination();
+                    if (count != 2) {
+                        throw new AssertionError("Expected 2 event, but got " + count);
+                    }
+                }
+            }
+        }
+    }
+
+}