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  * @test

    25  * @bug 8193444

    26  * @summary Checks SimpleDateFormat.format/parse for the AIOOB exception when

    27  *          formatting/parsing dates through a pattern string that contains a

    28  *          sequence of 256 or more non-ASCII unicode characters.

    29  * @run testng/othervm Bug8193444

    30  */

    31 import org.testng.annotations.DataProvider;

    32 import org.testng.annotations.Test;

    33 

    34 import java.text.DateFormat;

    35 import java.text.ParseException;

    36 import java.text.SimpleDateFormat;

    37 import java.util.Date;

    38 

    39 import static org.testng.Assert.assertEquals;

    40 

    41 public class Bug8193444 {

    42 

    43     private static final String NON_ASCII_CHAR = "\u263A";

    44 

    45     @DataProvider(name = "dateFormat")

    46     Object[][] dateFormatData() {

    47         return new Object[][]{

    48             // short_length (between 0 and 254)

    49             {250},

    50             // boundary

    51             {254},

    52             // long_length

    53             {257},};

    54     }

    55 

    56     @Test(dataProvider = "dateFormat")

    57     public void testDateFormatAndParse(int length)

    58             throws ParseException {

    59 

    60         String pattern = NON_ASCII_CHAR.repeat(length);

    61 

    62         DateFormat df = new SimpleDateFormat(pattern);

    63         // format() should not throw AIOOB exception

    64         String result = df.format(new Date());

    65 

    66         // Since the tested format patterns do not contain any character

    67         // representing date/time field, those characters are not interpreted,

    68         // they are simply copied into the output string during formatting

    69         assertEquals(result, pattern, "Failed to format the date using"

    70                 + " pattern of length: " + length);

    71 

    72         // The format pattern used by this SimpleDateFormat

    73         // contains a sequence of non-ASCII characters, which does not

    74         // represent any date/time field. The same sequence is given

    75         // for parsing, just to check that the parsing does

    76         // not throw any AIOOB exception.

    77         // Although as per the parse() specification, the calendar's default

    78         // values of the date-time fields are used for any missing

    79         // date-time information, but checking that is not the intention of

    80         // this test.

    81         df.parse(pattern);

    82     }

    83 

    84 }