--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/consumer/TestRecordedMethodDescriptor.java Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2016, 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 static jdk.test.lib.Asserts.assertEquals;
+import static jdk.test.lib.Asserts.assertFalse;
+import static jdk.test.lib.Asserts.assertNotNull;
+import static jdk.test.lib.Asserts.assertTrue;
+
+import java.util.List;
+
+import jdk.jfr.Event;
+import jdk.jfr.Recording;
+import jdk.jfr.consumer.RecordedEvent;
+import jdk.jfr.consumer.RecordedMethod;
+import jdk.jfr.consumer.RecordedFrame;
+import jdk.jfr.consumer.RecordedStackTrace;
+import jdk.test.lib.jfr.Events;
+
+
+/*
+ * @test
+ * @key jfr
+ * @library /test/lib
+ * @run main/othervm jdk.jfr.api.consumer.TestRecordedMethodDescriptor
+ */
+public final class TestRecordedMethodDescriptor {
+
+ private static boolean isMainMethodDescriptorRecorded;
+ private static final String MAIN_METHOD_DESCRIPTOR = "([Ljava/lang/String;)V";
+ private static final String MAIN_METHOD_NAME = "main";
+
+ public static void main(String[] args) throws Throwable {
+ Recording recording = new Recording();
+ recording.enable(MyEvent.class).withStackTrace();
+ recording.start();
+
+ MyEvent event = new MyEvent();
+ event.begin();
+ event.end();
+ event.commit();
+ recording.stop();
+
+ List<RecordedEvent> recordedEvents = Events.fromRecording(recording);
+ assertEquals(1, recordedEvents.size(), "Expected one event");
+ RecordedEvent recordedEvent = recordedEvents.get(0);
+
+ RecordedStackTrace stacktrace = recordedEvent.getStackTrace();
+ List<RecordedFrame> frames = stacktrace.getFrames();
+ assertFalse(frames.isEmpty(), "Stacktrace frames was empty");
+ for (RecordedFrame frame : frames) {
+ analyzeRecordedMethodDescriptor(frame.getMethod());
+ }
+
+ assertTrue(isMainMethodDescriptorRecorded, "main() method descriptor has never been recorded");
+ }
+
+ private static void analyzeRecordedMethodDescriptor(RecordedMethod method) {
+
+ String descr = method.getDescriptor();
+ assertNotNull(descr, "Method descriptor is null");
+ String name = method.getName();
+ assertNotNull(name, "Method name is null");
+
+ if (name.equals(MAIN_METHOD_NAME) && descr.equals(MAIN_METHOD_DESCRIPTOR)) {
+ assertFalse(isMainMethodDescriptorRecorded, "main() method descriptor already recorded");
+ isMainMethodDescriptorRecorded = true;
+ }
+ }
+
+ public static class MyEvent extends Event {
+ }
+
+}