--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/recording/misc/TestGetSizeToMem.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,65 @@
+/*
+ * 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.misc;
+
+import static jdk.test.lib.Asserts.assertEquals;
+import static jdk.test.lib.Asserts.assertTrue;
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import jdk.jfr.Recording;
+import jdk.test.lib.Asserts;
+import jdk.test.lib.jfr.EventNames;
+
+/*
+ * @test
+ * @summary Test recording file size with Recording.getSize()
+ * @key jfr
+ * @library /test/lib
+ * @run main/othervm jdk.jfr.api.recording.misc.TestGetSizeToMem
+ */
+public class TestGetSizeToMem {
+
+
+    public static void main(String[] args) throws Throwable {
+        Path dest = Paths.get(".", "my.jfr");
+        Recording r = new Recording();
+        r.setToDisk(false);
+        r.setDestination(dest);
+        r.enable(EventNames.OSInformation);
+        r.start();
+        r.stop();
+        r.close();
+        assertTrue(Files.exists(dest), "TestGetSize recording missing: " + dest);
+        System.out.printf("%s size: %d%n", dest, Files.size(dest));
+        System.out.printf("r.getSize(): %d%n", r.getSize());
+        Asserts.assertNotEquals(Files.size(dest), 0L, "File should not be empty");
+        assertEquals(r.getSize(), 0L, "r.getSize() should be 0 after setToDisk(false)");
+    }
+
+}