test/java/io/File/WinDeviceName.java

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@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2006, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2006, 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.

@@ -20,38 +20,55 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 
 /* @test
-   @bug 6176051
-   @summary Check isFile's handling of Windows device names
+   @bug 6176051 4858457
+   @summary Check whether reserved names are handled correctly on Windows
  */
 
 import java.io.File;
+import java.io.IOException;
 
 public class WinDeviceName {
     private static String devnames[] = {
         "CON", "PRN", "AUX", "NUL", "COM1", "COM2", "COM3", "COM4",
         "COM5", "COM6", "COM7", "COM8", "COM9", "LPT1", "LPT2",
         "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", "LPT9",
         "CLOCK$"
     };
-    public static void main(String[] args) throws Exception {
+    public static void main(String[] args) {
         String osName = System.getProperty("os.name");
         if (!osName.startsWith("Windows")) {
             return;
         }
+
         for (int i = 0; i < devnames.length; i++) {
-            if (new File(devnames[i]).isFile() ||
-                new File(devnames[i] + ".txt").isFile()) {
+            String names[] = { devnames[i], devnames[i] + ".TXT",
+                               devnames[i].toLowerCase(),
+                               devnames[i].toLowerCase() + ".txt" };
+
+            for (String name : names) {
+                File f = new File(name);
+                if (f.isFile()) {
                 if ("CLOCK$".equals(devnames[i]) &&
                     (osName.startsWith("Windows 9") ||
                      osName.startsWith("Windows Me"))) {
                     //"CLOCK$" is a reserved device name for NT
                     continue;
                 }
-                throw new Exception("isFile() returns true for Device name "
-                                    +  devnames[i]);
+                    throw new RuntimeException("isFile() returns true for " +
+                            "Device name " + devnames[i]);
+                }
+
+                if (!"CLOCK$".equals(devnames[i])) {
+                    try {
+                        System.out.println((new File(name)).getCanonicalPath());
+                    } catch(IOException ie) {
+                        throw new RuntimeException("Fail to get canonical " +
+                                "path for " + name);
+                    }
+                }
             }
         }
     }
 }