diff -r 4ebc2e2fb97c -r 71c04702a3d5 test/jdk/java/io/File/CreateNewFile.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/io/File/CreateNewFile.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 1998, 2013, 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 4130498 4391178 6198547
+   @summary Basic test for createNewFile method
+ */
+
+import java.io.*;
+
+
+public class CreateNewFile {
+
+    public static void main(String[] args) throws Exception {
+
+        File f = new File(System.getProperty("test.dir", "."),
+                          "x.CreateNewFile");
+        if (f.exists() && !f.delete())
+            throw new Exception("Cannot delete test file " + f);
+        if (!f.createNewFile())
+            throw new Exception("Cannot create new file " + f);
+        if (!f.exists())
+            throw new Exception("Did not create new file " + f);
+        if (f.createNewFile())
+            throw new Exception("Created existing file " + f);
+
+        try {
+            f = new File("/");
+            if (f.createNewFile())
+                throw new Exception("Created root directory!");
+        } catch (IOException e) {
+            // Exception expected
+        }
+
+        testCreateExistingDir();
+    }
+
+    // Test JDK-6198547
+    private static void testCreateExistingDir() throws IOException {
+        File tmpFile = new File("hugo");
+        if (tmpFile.exists() && !tmpFile.delete())
+            throw new RuntimeException("Cannot delete " + tmpFile);
+        if (!tmpFile.mkdir())
+            throw new RuntimeException("Cannot create dir " + tmpFile);
+        if (!tmpFile.exists())
+            throw new RuntimeException("Cannot see created dir " + tmpFile);
+        if (tmpFile.createNewFile())
+            throw new RuntimeException("Should fail to create file " + tmpFile);
+    }
+}