1/* 2 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/* @test 25 @bug 6481955 26 @summary Path length less than MAX_PATH (260) works on Windows 27 */ 28 29import java.io.*; 30 31public class MaxPath { 32 public static void main(String[] args) throws Exception { 33 String osName = System.getProperty("os.name"); 34 if (!osName.startsWith("Windows")) { 35 return; 36 } 37 int MAX_PATH = 260; 38 String dir = new File(".").getAbsolutePath() + "\\"; 39 String padding = "1234567890123456789012345678901234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890012345678900123456789001234567890"; 40 for (int i = 240 - dir.length(); i < MAX_PATH - dir.length(); i++) { 41 String longname = dir + padding.substring(0, i); 42 try { 43 File f = new File(longname); 44 if (f.createNewFile()) { 45 if (!f.exists() || !f.canRead()) { 46 throw new RuntimeException("Failed at length: " + longname.length()); 47 } 48 f.delete(); 49 } 50 } catch (IOException e) { 51 System.out.println("Failed at length: " + longname.length()); 52 throw e; 53 } 54 } 55 } 56} 57