--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/jmx/TestSnapshot.java Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2013, 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.jmx;
+
+import java.io.IOException;
+import java.util.List;
+
+import jdk.jfr.FlightRecorder;
+import jdk.jfr.Recording;
+import jdk.management.jfr.FlightRecorderMXBean;
+import jdk.management.jfr.RecordingInfo;
+import jdk.test.lib.jfr.SimpleEvent;
+
+/* @test
+ * @key jfr
+ * @library /test/lib /test/jdk
+ * @run main/othervm jdk.jfr.jmx.TestSnapshot
+ */
+public class TestSnapshot {
+
+ public static void main(String[] args) throws Exception {
+ testEmpty();
+ testStopped();
+ }
+
+ private static void testStopped() throws IOException {
+ try (Recording r = new Recording()) {
+ r.enable(SimpleEvent.class);
+ r.start();
+ SimpleEvent se = new SimpleEvent();
+ se.commit();
+ r.stop();
+
+ try (Recording snapshot = FlightRecorder.getFlightRecorder().takeSnapshot()) {
+ r.close();
+ FlightRecorderMXBean mxBean = JmxHelper.getFlighteRecorderMXBean();
+ List<RecordingInfo> recs = mxBean.getRecordings();
+ JmxHelper.verifyEquals(recs.get(0), snapshot);
+ }
+ }
+ }
+
+ private static void testEmpty() throws IOException {
+ try (Recording snapshot = FlightRecorder.getFlightRecorder().takeSnapshot()) {
+ FlightRecorderMXBean mxBean = JmxHelper.getFlighteRecorderMXBean();
+ List<RecordingInfo> recs = mxBean.getRecordings();
+ JmxHelper.verifyEquals(recs.get(0), snapshot);
+ }
+ }
+}