jdk/test/java/io/File/MaxPath.java
changeset 785 36c29b2692f1
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/io/File/MaxPath.java	Wed Jun 25 13:58:22 2008 -0700
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/* @test
+   @bug 6481955
+   @summary Path length less than MAX_PATH (260) works on Windows
+ */
+
+import java.io.*;
+
+public class MaxPath {
+    public static void main(String[] args) throws Exception {
+        String osName = System.getProperty("os.name");
+        if (!osName.startsWith("Windows")) {
+            return;
+        }
+        int MAX_PATH = 260;
+        String dir = new File(".").getAbsolutePath() + "\\";
+        String padding = "1234567890123456789012345678901234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890";
+        for (int i = 240 - dir.length(); i < MAX_PATH - dir.length(); i++) {
+            String longname = dir + padding.substring(0, i);
+            try {
+                File f = new File(longname);
+                if (f.createNewFile()) {
+                    if (!f.exists() || !f.canRead()) {
+                        throw new RuntimeException("Failed at length: " + longname.length());
+                    }
+                    f.delete();
+                }
+            } catch (IOException e) {
+                System.out.println("Failed at length: " + longname.length());
+                throw e;
+            }
+        }
+    }
+}