test/jdk/jdk/jfr/api/consumer/streaming/TestFiltering.java
changeset 58863 c16ac7a2eba4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/consumer/streaming/TestFiltering.java	Wed Oct 30 19:43:52 2019 +0100
@@ -0,0 +1,81 @@
+/*
+ * 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.util.concurrent.CountDownLatch;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import jdk.jfr.Event;
+import jdk.jfr.consumer.RecordingStream;
+
+/**
+ * @test
+ * @summary Verifies that it is possible to filter a stream for an event
+ * @key jfr
+ * @requires vm.hasJFR
+ * @library /test/lib
+ * @run main/othervm jdk.jfr.api.consumer.streaming.TestFiltering
+ */
+public class TestFiltering {
+
+    static class SnakeEvent extends Event {
+        int id;
+    }
+
+    static class EelEvent extends Event {
+        int id;
+    }
+
+    public static void main(String... args) throws Exception {
+        CountDownLatch l = new CountDownLatch(1);
+        String eventName = SnakeEvent.class.getName();
+        AtomicInteger idCounter = new AtomicInteger(-1);
+        try (RecordingStream e = new RecordingStream()) {
+            e.onEvent(eventName, event -> {
+                if (!event.getEventType().getName().equals(eventName)) {
+                    throw new InternalError("Unexpected event " + e);
+                }
+                if (event.getInt("id") != idCounter.incrementAndGet()) {
+                    throw new InternalError("Incorrect id");
+                }
+                if (idCounter.get() == 99) {
+                    l.countDown();
+                }
+            });
+            e.startAsync();
+            for (int i = 0; i < 100; i++) {
+                SnakeEvent se = new SnakeEvent();
+                se.id = i;
+                se.commit();
+
+                EelEvent ee = new EelEvent();
+                ee.id = i;
+                ee.commit();
+            }
+            l.await();
+        }
+    }
+}