--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/io/pathNames/win32/DriveOnly.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 1998, 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 4096648
+   @summary Make sure that isDirectory and lastModified work on "x:"
+ */
+
+import java.io.File;
+
+
+public class DriveOnly {
+
+    public static void main(String[] args) throws Exception {
+        if (File.separatorChar != '\\') return;
+        File f = new File("").getCanonicalFile();
+        while (f.getParent() != null) f = f.getParentFile();
+        String p = f.getPath().substring(0, 2);
+        if (!(Character.isLetter(p.charAt(0)) && (p.charAt(1) == ':'))) {
+            System.err.println("No current drive, cannot run test");
+            return;
+        }
+        f = new File(p);
+        if (!f.isDirectory())
+            throw new Exception("\"" + f + "\" is not a directory");
+        if (f.lastModified() == 0)
+            throw new Exception("\"" + f + "\" has no last-modified time");
+    }
+
+}