1 /*

     2  * Copyright (c) 2010, 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  * JDK-8019963: empty char range in regex

    26  *

    27  * @test

    28  * @run

    29  */

    30 

    31 var re1 = /[\x00-\x08\x0B\x0C\x0E-\x9F\uD800-\uDFFF\uFFFE\uFFFF]/;

    32 

    33 print(re1.test("\x00"));

    34 print(re1.test("\x04"));

    35 print(re1.test("\x08"));

    36 print(re1.test("\x0a"));

    37 print(re1.test("\x0B"));

    38 print(re1.test("\x0C"));

    39 print(re1.test("\x0E"));

    40 print(re1.test("\x10"));

    41 print(re1.test("\x1A"));

    42 print(re1.test("\x2F"));

    43 print(re1.test("\x8E"));

    44 print(re1.test("\x8F"));

    45 print(re1.test("\x9F"));

    46 print(re1.test("\xA0"));

    47 print(re1.test("\xAF"));

    48 print(re1.test("\uD800"));

    49 print(re1.test("\xDA00"));

    50 print(re1.test("\xDCFF"));

    51 print(re1.test("\xDFFF"));

    52 print(re1.test("\xFFFE"));

    53 print(re1.test("\xFFFF"));

    54 

    55 var re2 = /[\x1F\x7F-\x84\x86]/;

    56 

    57 print(re2.test("\x1F"));

    58 print(re2.test("\x2F"));

    59 print(re2.test("\x3F"));

    60 print(re2.test("\x7F"));

    61 print(re2.test("\x80"));

    62 print(re2.test("\x84"));

    63 print(re2.test("\x85"));

    64 print(re2.test("\x86"));

    65 

    66 var re3 = /^([\x00-\x7F]|[\xC2-\xDF][\x80-\xBF]|\xE0[\xA0-\xBF][\x80-\xBF]|[\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}|\xED[\x80-\x9F][\x80-\xBF]|\xF0[\x90-\xBF][\x80-\xBF]{2}|[\xF1-\xF3][\x80-\xBF]{3}|\xF4[\x80-\x8F][\x80-\xBF]{2})*$/;