test/jdk/jdk/jfr/api/recording/destination/TestDestToDiskFalse.java
changeset 50113 caf115bb98ad
child 51214 67736b4846a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/recording/destination/TestDestToDiskFalse.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 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.recording.destination;
+
+
+import static jdk.test.lib.Asserts.assertEquals;
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.List;
+
+import jdk.jfr.Recording;
+import jdk.jfr.consumer.RecordedEvent;
+import jdk.jfr.consumer.RecordingFile;
+import jdk.test.lib.Asserts;
+import jdk.test.lib.jfr.SimpleEventHelper;
+
+/*
+ * @test
+ * @summary Basic test for setDestination with disk=false
+ * @key jfr
+ * @library /test/lib
+ * @run main/othervm jdk.jfr.api.recording.destination.TestDestToDiskFalse
+ */
+public class TestDestToDiskFalse {
+
+    public static void main(String[] args) throws Throwable {
+        final Path dest = Paths.get(".", "my.jfr");
+        Recording r = new Recording();
+        SimpleEventHelper.enable(r, true);
+        r.setToDisk(false);
+        r.setDestination(dest);
+        Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set destination");
+        r.start();
+        SimpleEventHelper.createEvent(0);
+        r.stop();
+
+        // setToDisk(false) should not effect setDestination.
+        // We should still get a file when the recording stops.
+        Asserts.assertTrue(Files.exists(dest), "No recording file: " + dest);
+        System.out.printf("File size=%d, getSize()=%d%n", Files.size(dest), r.getSize());
+        Asserts.assertNotEquals(Files.size(dest), 0L, "File length 0. Should at least be some bytes");
+
+        List<RecordedEvent> events = RecordingFile.readAllEvents(dest);
+        Asserts.assertFalse(events.isEmpty(), "No event found");
+        System.out.printf("Found event %s%n", events.get(0).getEventType().getName());
+
+        assertEquals(r.getSize(), 0L, "getSize() should return 0, chunks should have been released at stop");
+        // getDestination() should return null after recording have been written to file.
+        Asserts.assertNull(r.getDestination(), "getDestination() should return null after file created");
+
+        r.close();
+    }
+
+}