test/jdk/jdk/jfr/api/consumer/TestRecordingInternals.java
changeset 50113 caf115bb98ad
child 51214 67736b4846a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/consumer/TestRecordingInternals.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2018, 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;
+
+import jdk.jfr.Recording;
+import jdk.jfr.consumer.RecordedEvent;
+import jdk.jfr.consumer.RecordedThread;
+import jdk.test.lib.Asserts;
+import jdk.test.lib.jfr.Events;
+import jdk.test.lib.jfr.SimpleEvent;
+
+/*
+ * @test
+ * @summary Tests that chunks are read in order and constant pools from multiple chunks can be read
+ * @key jfr
+ * @library /test/lib
+ * @run main/othervm jdk.jfr.api.consumer.TestRecordingInternals
+ */
+public class TestRecordingInternals {
+
+    public static void main(String[] args) throws Throwable {
+        try (Recording continuous = new Recording()) {
+            continuous.start();
+            for (int i = 0; i < 3; i++) {
+                // Each new recording will create a new chunk
+                // with a new set of constant pools, i.e.
+                // constant pools for threads and thread groups
+                createProfilingRecording(i);
+            }
+            continuous.stop();
+            int i = 0;
+            for (RecordedEvent e : Events.fromRecording(continuous)) {
+                Integer id = e.getValue("id");
+                RecordedThread rt = e.getThread();
+                Asserts.assertEquals(id.toString(), rt.getJavaName(), "Thread name should match id");
+                Asserts.assertEquals(id.toString(), rt.getThreadGroup().getName(), "Thread group name should match id");
+                Asserts.assertEquals(id, Integer.valueOf(i), "Chunks out of order");
+                i++;
+            }
+        }
+    }
+
+    private static void createProfilingRecording(int id) throws InterruptedException {
+        try (Recording r = new Recording()) {
+            r.start();
+            ThreadGroup tg = new ThreadGroup(String.valueOf(id));
+            Thread t = new Thread(tg, () -> {
+                SimpleEvent event = new SimpleEvent();
+                event.id = id;
+                event.commit();
+            }, String.valueOf(id));
+            t.start();
+            t.join();
+            r.stop();
+        }
+    }
+}