1 /*

     2  * Copyright 2004-2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 import java.io.*;

    25 import java.awt.*;

    26 

    27 public class DeleteFont {

    28 

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

    30 

    31         String font = "A.ttf";

    32         String sep = System.getProperty("file.separator");

    33         String testSrc = System.getenv("TESTSRC");

    34         if (testSrc != null) {

    35             font = testSrc + sep + font;

    36         }

    37         System.out.println("Using font file: " + font);

    38         FileInputStream fis = new FileInputStream(font);

    39         Font f = Font.createFont(Font.TRUETYPE_FONT, fis);

    40         f.toString();

    41         f.deriveFont(Font.BOLD);

    42         f.canDisplay('X');

    43 

    44        InputStream in = new InputStream() {

    45             public int read() {

    46                 throw new RuntimeException();

    47             }

    48         };

    49         boolean gotException = false;

    50         try {

    51            Font.createFont(java.awt.Font.TRUETYPE_FONT, in);

    52         } catch (IOException e) {

    53             gotException = true;

    54         }

    55         if (!gotException) {

    56             throw new RuntimeException("No expected IOException");

    57         }

    58         badRead(-2);

    59         badRead(8193);

    60     }

    61 

    62     static void badRead(final int retval) {

    63         int num = 2;

    64         byte[] buff = new byte[16*8192]; // Multiple of 8192 is important.

    65         for (int ct=0; ct<num; ++ct) {

    66             try {

    67                 Font.createFont(

    68                     Font.TRUETYPE_FONT,

    69                     new ByteArrayInputStream(buff) {

    70                         @Override

    71                         public int read(byte[] buff, int off, int len) {

    72                             int read = super.read(buff, off, len);

    73                             return read<0 ? retval : read;

    74                         }

    75                     }

    76                 );

    77             } catch (Throwable exc) {

    78                 //exc.printStackTrace();

    79             }

    80         }

    81     }

    82 }

    83