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  * @summary The characters FFFE and FFFF should not be in a UnicodeBlock. They

    27  *          should be in a null block.

    28  * @bug 4404588

    29  * @author John O'Conner

    30  */

    31 

    32  public class Bug4404588 {

    33 

    34     public Bug4404588() {

    35         // do nothing

    36     }

    37 

    38     public static void main(String[] args) {

    39         Bug4404588 test = new Bug4404588();

    40         test.run();

    41     }

    42 

    43     /**

    44      * Test the correct data against what Character reports.

    45      */

    46     void run() {

    47         Character ch;

    48         Character.UnicodeBlock block;

    49 

    50         for(int x=0; x < charData.length; x++) {

    51             ch = (Character)charData[x][0];

    52             block = (Character.UnicodeBlock)charData[x][1];

    53 

    54             if (Character.UnicodeBlock.of(ch.charValue()) != block) {

    55                 System.err.println("Error: block = " + block);

    56                 System.err.println("Character.UnicodeBlock.of(" +

    57                     Integer.toHexString(ch.charValue()) +") = " +

    58                     Character.UnicodeBlock.of(ch.charValue()));

    59                 throw new RuntimeException("Blocks aren't equal.");

    60             }

    61         }

    62         System.out.println("Passed.");

    63     }

    64 

    65     /**

    66      * Contains the character data to test. The first object is the character.

    67      * The next object is the UnicodeBlock to which it should belong.

    68      */

    69     Object[][] charData = {

    70         { new Character('\uFFFE'), Character.UnicodeBlock.SPECIALS },

    71         { new Character('\uFFFF'), Character.UnicodeBlock.SPECIALS },

    72     };

    73  }