--- /dev/null	2020-01-02 04:43:18.583999853 +0000
+++ new/test/jdk/jfr/startupargs/TestBadOptionValues.java	2020-01-30 06:37:31.744270262 +0000
@@ -0,0 +1,151 @@
+/*
+ * Copyright (c) 2016, 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.startupargs;
+
+import jdk.test.lib.Asserts;
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+
+/**
+ * @test
+ * @key jfr
+ *
+ *
+ * @library /lib /
+ *
+
+ *
+ * @run main jdk.jfr.startupargs.TestBadOptionValues
+ */
+public class TestBadOptionValues {
+
+    private static final String START_FLIGHT_RECORDING = "-XX:StartFlightRecording=";
+    private static final String FLIGHT_RECORDER_OPTIONS = "-XX:FlightRecorderOptions=";
+
+    private static void test(String prepend, String expectedOutput, String... options) throws Exception {
+        ProcessBuilder pb;
+        OutputAnalyzer output;
+
+        Asserts.assertGreaterThan(options.length, 0);
+
+        for (String option : options) {
+            pb = ProcessTools.createJavaProcessBuilder(prepend + option, "-version");
+            output = new OutputAnalyzer(pb.start());
+            output.shouldContain(expectedOutput);
+        }
+    }
+
+    private static void testBoolean(String prepend, String... options) throws Exception {
+        String[] splitOption;
+
+        Asserts.assertGreaterThan(options.length, 0);
+
+        for (String option : options) {
+            splitOption = option.split("=", 2);
+            test(prepend, String.format("Boolean parsing error in command argument '%s'. Could not parse: %s.", splitOption[0], splitOption[1]), option);
+        }
+    }
+
+    private static void testJlong(String prepend, String... options) throws Exception {
+        String[] splitOption;
+
+        Asserts.assertGreaterThan(options.length, 0);
+
+        for (String option : options) {
+            splitOption = option.split("=", 2);
+            test(prepend, String.format("Integer parsing error in command argument '%s'. Could not parse: %s.",
+                splitOption[0], splitOption.length > 1 ? splitOption[1]: ""), option);
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        // Nanotime options
+        test(START_FLIGHT_RECORDING, "Integer parsing error nanotime value: syntax error",
+            "delay=ms",
+            "duration=",
+            "maxage=q");
+        test(START_FLIGHT_RECORDING, "Integer parsing error nanotime value: syntax error, value is null",
+            "duration");
+        test(START_FLIGHT_RECORDING, "Integer parsing error nanotime value: illegal unit",
+            "delay=1000mq",
+            "duration=2000mss",
+            "maxage=-1000");
+        test(START_FLIGHT_RECORDING, "Integer parsing error nanotime value: unit required",
+            "delay=3037",
+            "maxage=1");
+
+        // Memory size options
+        test(START_FLIGHT_RECORDING, "Parsing error memory size value: negative values not allowed",
+            "maxsize=-1",
+            "maxsize=-10k");
+
+        test(FLIGHT_RECORDER_OPTIONS, "Parsing error memory size value: negative values not allowed",
+            "threadbuffersize=-1M",
+            "memorysize=-1g",
+            "globalbuffersize=-0",
+            "maxchunksize=-");
+
+        test(START_FLIGHT_RECORDING, "Parsing error memory size value: syntax error, value is null",
+            "maxsize");
+
+        test(FLIGHT_RECORDER_OPTIONS, "Parsing error memory size value: syntax error, value is null",
+            "threadbuffersize",
+            "memorysize",
+            "globalbuffersize",
+            "maxchunksize");
+
+        test(START_FLIGHT_RECORDING, "Parsing error memory size value: invalid value",
+            "maxsize=");
+
+        test(FLIGHT_RECORDER_OPTIONS, "Parsing error memory size value: invalid value",
+            "threadbuffersize=a",
+            "globalbuffersize=G",
+            "maxchunksize=M10");
+
+        // Jlong options
+        testJlong(FLIGHT_RECORDER_OPTIONS,
+            "stackdepth=q",
+            "stackdepth=",
+            "numglobalbuffers=10m",
+            "numglobalbuffers",
+            "numglobalbuffers=0x15");
+
+        // Boolean options
+        testBoolean(START_FLIGHT_RECORDING,
+            "disk=on",
+            "dumponexit=truee");
+
+        testBoolean(FLIGHT_RECORDER_OPTIONS,
+            "samplethreads=falseq",
+            "retransform=0");
+
+        // Not existing options
+        test(START_FLIGHT_RECORDING, "Unknown argument 'dumponexitt' in diagnostic command.",
+            "dumponexitt=true");
+        test(FLIGHT_RECORDER_OPTIONS, "Unknown argument 'notexistoption' in diagnostic command.",
+            "notexistoption");
+    }
+}