1 /*

     2  * Copyright (c) 2018, 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 4077980 4011163 4096786 4075955

    27  * @summary Test properties save and load methods

    28  * @key randomness

    29  */

    30 

    31 import java.io.File;

    32 import java.io.FileInputStream;

    33 import java.io.FileOutputStream;

    34 import java.io.InputStream;

    35 import java.io.OutputStream;

    36 import java.util.Properties;

    37 import java.util.Random;

    38 

    39 /**

    40  * This class tests to see if a properties object

    41  * can successfully save and load properties

    42  * using character encoding

    43  */

    44 public class SaveLoadBasher {

    45 

    46     private static String keyValueSeparators = "=: \t\r\n\f#!\\";

    47 

    48     public static void main(String[] args) throws Exception {

    49 

    50         Properties originalProps = new Properties();

    51         Properties loadedProps = new Properties();

    52 

    53         // Generate a unicode key and value

    54         Random generator = new Random();

    55         int achar=0;

    56         StringBuffer aKeyBuffer = new StringBuffer(120);

    57         StringBuffer aValueBuffer = new StringBuffer(120);

    58         String aKey;

    59         String aValue;

    60         for (int x=0; x<300; x++) {

    61             for(int y=0; y<100; y++) {

    62                 achar = generator.nextInt();

    63                 char test;

    64                 if(achar < 99999) {

    65                     test = (char)(achar);

    66                 }

    67                 else {

    68                     int zz = achar % 10;

    69                     test = keyValueSeparators.charAt(zz);

    70                 }

    71                 aKeyBuffer.append(test);

    72             }

    73             aKey = aKeyBuffer.toString();

    74             for(int y=0; y<100; y++) {

    75                 achar = generator.nextInt();

    76                 char test = (char)(achar);

    77                 aValueBuffer.append(test);

    78             }

    79             aValue = aValueBuffer.toString();

    80 

    81             // Attempt to add to original

    82             try {

    83                 originalProps.put(aKey, aValue);

    84             }

    85             catch (IllegalArgumentException e) {

    86                 System.err.println("disallowing...");

    87             }

    88             aKeyBuffer.setLength(0);

    89             aValueBuffer.setLength(0);

    90         }

    91 

    92         // Destroy old test file if it exists

    93         File oldTestFile = new File("props3");

    94         oldTestFile.delete();

    95 

    96         // Save original

    97         System.out.println("Saving...");

    98         OutputStream out = new FileOutputStream("props3");

    99         originalProps.store(out, "test properties");

   100         out.close();

   101 

   102         // Load in the set

   103         System.out.println("Loading...");

   104         InputStream in = new FileInputStream("props3");

   105         try {

   106             loadedProps.load(in);

   107         } finally {

   108             in.close();

   109         }

   110 

   111         // Compare results

   112         if (!originalProps.equals(loadedProps))

   113            throw new RuntimeException("Properties load and save failed");

   114 

   115     }

   116 

   117 }