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})*$/;