1 /*
   2  * Copyright (c) 2013, 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 /*
  25  * @test
  26  * @bug 8013827 8011950
  27  * @summary Check whether File.createTempFile can handle special parameters
  28  *          on Windows platforms
  29  * @author Dan Xu
  30  */
  31 
  32 import java.io.File;
  33 import java.io.IOException;
  34 import java.util.ArrayList;
  35 import java.util.List;
  36 import java.util.concurrent.ExecutorService;
  37 import java.util.concurrent.Executors;
  38 import java.util.concurrent.Future;
  39 import java.util.concurrent.TimeUnit;
  40 
  41 public class SpecialTempFile {
  42     /**
  43      * The maximum time, 2 seconds, to wait for each test.
  44      */
  45     private static final int TIME_OUT = 2;
  46 
  47     static class TestTask implements Runnable {
  48 
  49         private String name;
  50         private String[] prefix;
  51         private String[] suffix;
  52 
  53         public TestTask(String test, String[] pre, String[] suf) {
  54             name = test;
  55             prefix = pre;
  56             suffix = suf;
  57         }
  58 
  59         @Override
  60         public void run() {
  61             if (prefix == null || suffix == null
  62                     || prefix.length != suffix.length)
  63             {
  64                 return;
  65             }
  66 
  67             final String exceptionMsg = "Unable to create temporary file";
  68             final String errMsg = "IOException is expected";
  69 
  70             for (int i = 0; i < prefix.length; i++) {
  71                 boolean exceptionThrown = false;
  72                 File f = null;
  73                 System.out.println("In test " + name
  74                                    + ", creating temp file with prefix, "
  75                                    + prefix[i] + ", suffix, " + suffix[i]);
  76                 try {
  77                     f = File.createTempFile(prefix[i], suffix[i]);
  78                 } catch (IOException e) {
  79                     if (exceptionMsg.equals(e.getMessage()))
  80                         exceptionThrown = true;
  81                 }
  82                 if (!exceptionThrown || f != null)
  83                     throw new RuntimeException(errMsg);
  84             }
  85         }
  86     }
  87 
  88     public static void main(String[] args) throws Exception {
  89         if (!System.getProperty("os.name").startsWith("Windows"))
  90             return;
  91 
  92         List<Runnable> testList = new ArrayList<>(2);
  93         // Test JDK-8013827
  94         String[] resvPre = {"LPT1.package.zip", "com7.4.package.zip"};
  95         String[] resvSuf = {".temp", ".temp"};
  96         testList.add(new TestTask("ReservedName", resvPre, resvSuf));
  97 
  98         // Test JDK-8011950
  99         String[] slashPre = {"///..///", "temp", "///..///"};
 100         String[] slashSuf = {".temp", "///..///..", "///..///.."};
 101         testList.add(new TestTask("SlashedName", slashPre, slashSuf));
 102 
 103         ExecutorService executor = Executors.newSingleThreadExecutor();
 104         try {
 105             for (int i = 0; i < testList.size(); i++) {
 106                 Future<?> future = executor.submit(testList.get(i));
 107                 future.get(TIME_OUT, TimeUnit.SECONDS);
 108             }
 109         } finally {
 110             executor.shutdownNow();
 111         }
 112     }
 113 }