--- /dev/null	2018-06-17 23:18:20.806999507 +0800
+++ new/test/jdk/jfr/api/recording/dump/TestDumpInvalid.java	2019-01-29 11:01:57.890527519 +0800
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2018, 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.recording.dump;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import jdk.jfr.Recording;
+import jdk.jfr.consumer.RecordingFile;
+import jdk.testlibrary.Asserts;
+import jdk.testlibrary.jfr.CommonHelper;
+import jdk.testlibrary.jfr.EventNames;
+import jdk.testlibrary.jfr.VoidFunction;
+
+/*
+ * @test
+ * @summary Test copyTo and parse file
+ * @key jfr
+ * @library /lib/testlibrary
+ * @run main/othervm jdk.jfr.api.recording.dump.TestDumpInvalid
+ */
+public class TestDumpInvalid {
+
+    public static void main(String[] args) throws Throwable {
+        Recording r = new Recording();
+        r.enable(EventNames.OSInformation);
+        r.start();
+        r.stop();
+
+        verifyNullPointer(()->{r.dump(null);}, "No NullPointerException");
+
+        Path pathNotExists = Paths.get(".", "dirNotExists", "my.jfr");
+        verifyFileNotFound(()->{r.dump(pathNotExists);}, "No Exception with missing dir");
+
+        Path pathEmpty = Paths.get("");
+        verifyFileNotFound(()->{r.dump(pathEmpty);}, "No Exception with empty path");
+
+        Path pathDir = Paths.get(".", "newdir");
+        Files.createDirectory(pathDir);
+        verifyFileNotFound(()->{r.dump(pathDir);}, "No Exception with dir");
+
+        // Verify that copyTo() works after all failed attempts.
+        Path pathOk = Paths.get(".", "newdir", "my.jfr");
+        r.dump(pathOk);
+        Asserts.assertTrue(Files.exists(pathOk), "Recording file does not exist: " + pathOk);
+        Asserts.assertFalse(RecordingFile.readAllEvents(pathOk).isEmpty(), "No events found");
+
+        r.close();
+    }
+
+    private static void verifyFileNotFound(VoidFunction f, String msg) throws Throwable {
+        CommonHelper.verifyException(f, msg, IOException.class);
+    }
+
+    private static void verifyNullPointer(VoidFunction f, String msg) throws Throwable {
+        CommonHelper.verifyException(f, msg, NullPointerException.class);
+    }
+
+}