--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/io/File/UserDirChangedTest.java	Wed Feb 21 14:23:45 2018 -0800
@@ -0,0 +1,51 @@
+/*
+ * 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.
+ *
+ * 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.
+ */
+
+/* @test
+   @bug 8194154
+   @summary Test changing property user.dir on impacting getCanonicalPath
+   @run main/othervm UserDirChangedTest
+ */
+
+import java.io.File;
+
+public class UserDirChangedTest {
+    public static void main(String[] args) throws Exception {
+        String keyUserDir = "user.dir";
+        String userDirNew = "/home/a/b/c/";
+        String fileName = "./a";
+
+        String userDir = System.getProperty(keyUserDir);
+        File file = new File(fileName);
+        String canFilePath = file.getCanonicalPath();
+
+        // now reset user.dir, this will cause crash on linux without bug 8194154 fixed.
+        System.setProperty(keyUserDir,  userDirNew);
+        String newCanFilePath = file.getCanonicalPath();
+        System.out.format("%24s %48s%n", "Canonical Path = ", canFilePath);
+        System.out.format("%24s %48s%n", "new Canonical Path = ", newCanFilePath);
+        if (!canFilePath.equals(newCanFilePath)) {
+            throw new RuntimeException("Changing property user.dir should have no effect on getCanonicalPath");
+        }
+    }
+}