--- /dev/null	2018-06-17 23:18:20.806999507 +0800
+++ new/test/jdk/jfr/event/os/TestInitialEnvironmentVariable.java	2019-01-29 11:04:19.097402230 +0800
@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2013, 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.event.os;
+
+import static jdk.testlibrary.Asserts.assertEquals;
+import static jdk.testlibrary.Asserts.assertTrue;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import jdk.jfr.Recording;
+import jdk.jfr.consumer.RecordedEvent;
+import jdk.testlibrary.jfr.EventNames;
+import jdk.testlibrary.jfr.Events;
+
+public class TestInitialEnvironmentVariable {
+    private final static String EVENT_NAME = EventNames.InitialEnvironmentVariable;
+
+    public static void main(String[] args) throws Exception {
+        Map<String, String> env = new HashMap<>();
+        env.put("keytest1", "value1");
+        env.put("keytest2", "value 2");
+
+        Recording recording = new Recording();
+        recording.enable(EVENT_NAME);
+        recording.start();
+        recording.stop();
+        List<RecordedEvent> events = Events.fromRecording(recording);
+        Events.hasEvents(events);
+        for (RecordedEvent event : events) {
+            System.out.println("Event: " + event);
+            String key = Events.assertField(event, "key").notNull().getValue();
+            String value = Events.assertField(event, "value").notNull().getValue();
+            if (env.containsKey(key)) {
+                assertEquals(value, env.get(key), "Wrong value for key: " + key);
+                env.remove(key);
+            }
+        }
+        assertTrue(env.isEmpty(), "Missing env keys " + env.keySet());
+    }
+}