test/jdk/jdk/jfr/api/consumer/recordingstream/TestDisable.java
changeset 58863 c16ac7a2eba4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/consumer/recordingstream/TestDisable.java	Wed Oct 30 19:43:52 2019 +0100
@@ -0,0 +1,92 @@
+/*
+ * 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.recordingstream;
+
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.function.Consumer;
+
+import jdk.jfr.Event;
+import jdk.jfr.consumer.RecordingStream;
+
+/**
+ * @test
+ * @summary Tests RecordingStream::disable(...)
+ * @key jfr
+ * @requires vm.hasJFR
+ * @library /test/lib
+ * @run main/othervm jdk.jfr.api.consumer.recordingstream.TestDisable
+ */
+public class TestDisable {
+
+    private static class DisabledEvent extends Event {
+    }
+
+    private static class EnabledEvent extends Event {
+    }
+
+    public static void main(String... args) throws Exception {
+        testDisableWithClass();
+        testDisableWithEventName();
+    }
+
+    private static void testDisableWithEventName() {
+        test(r -> r.disable(DisabledEvent.class.getName()));
+    }
+
+    private static void testDisableWithClass() {
+        test(r -> r.disable(DisabledEvent.class));
+    }
+
+    private static void test(Consumer<RecordingStream> disablement) {
+        CountDownLatch twoEvent = new CountDownLatch(2);
+        AtomicBoolean fail = new AtomicBoolean(false);
+        try(RecordingStream r = new RecordingStream()) {
+            r.onEvent(e -> {
+                if (e.getEventType().getName().equals(DisabledEvent.class.getName())) {
+                    fail.set(true);
+                }
+                twoEvent.countDown();
+            });
+            disablement.accept(r);
+            r.startAsync();
+            EnabledEvent e1 = new EnabledEvent();
+            e1.commit();
+            DisabledEvent d1 = new DisabledEvent();
+            d1.commit();
+            EnabledEvent e2 = new EnabledEvent();
+            e2.commit();
+            try {
+                twoEvent.await();
+            } catch (InterruptedException ie) {
+                throw new RuntimeException("Unexpexpected interruption of thread", ie);
+            }
+            if (fail.get()) {
+                throw new RuntimeException("Should not receive a disabled event");
+            }
+        }
+    }
+}