test/jdk/jdk/jfr/startupargs/TestStartNoSettings.java
changeset 55302 686dedba1d9a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/startupargs/TestStartNoSettings.java	Sun Jun 09 11:28:13 2019 +0200
@@ -0,0 +1,69 @@
+/*
+ * 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.startupargs;
+
+import jdk.jfr.Event;
+import jdk.jfr.EventType;
+import jdk.jfr.FlightRecorder;
+import jdk.jfr.Name;
+import jdk.jfr.Recording;
+
+/**
+ * @test
+ * @summary Start a FlightRecording without any settings (not even default).
+ * @key jfr
+ * @requires vm.hasJFR
+ * @library /test/lib
+ * @run main/othervm jdk.jfr.startupargs.TestStartNoSettings
+ *      -XX:StartFlightRecording=settings=none
+ */
+public class TestStartNoSettings {
+
+    @Name("UserEvent")
+    static class UserEvent extends Event {
+    }
+
+    public static void main(String[] a) throws Exception {
+        boolean userEnabled = false;
+        try (Recording r = new Recording()) {
+            r.start();
+            UserEvent e = new UserEvent();
+            e.commit();
+            for (EventType et : FlightRecorder.getFlightRecorder().getEventTypes()) {
+                if (et.isEnabled()) {
+                    if (!et.getName().equals("UserEvent")) {
+                        throw new Exception("Only 'UserEvent' should be enabled");
+                    }
+                    userEnabled = true;
+                }
+            }
+        }
+
+        if (!userEnabled)  {
+            throw new Exception("Expected 'UserEvent' to be enabled with -XX:StartFlightRecording=settings=none");
+        }
+    }
+}