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      1 // Copyright 2013 the V8 project authors. All rights reserved.
      2 // Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
      3 //
      4 // Redistribution and use in source and binary forms, with or without
      5 // modification, are permitted provided that the following conditions
      6 // are met:
      7 // 1.  Redistributions of source code must retain the above copyright
      8 //     notice, this list of conditions and the following disclaimer.
      9 // 2.  Redistributions in binary form must reproduce the above copyright
     10 //     notice, this list of conditions and the following disclaimer in the
     11 //     documentation and/or other materials provided with the distribution.
     12 //
     13 // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
     14 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     15 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     16 // DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     17 // DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     18 // (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     19 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     20 // ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     22 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23 
     24 description(
     25 "This test checks Unicode in negative RegExp character classes."
     26 );
     27 
     28 function test(pattern, str, expected_length) {
     29   var result = eval('"' + str + '"').replace(new RegExp(pattern, 'img'), '');
     30 
     31   if (result.length == expected_length)
     32     testPassed('"' + pattern + '", ' + '"' + str + '".');
     33   else
     34     testFailed('"' + pattern + '", ' + '"' + str + '". Was "' + result + '".');
     35 }
     36 
     37 
     38 test("\\s", " \\t\\f\\v\\r\\n", 0); // ASCII whitespace.
     39 test("\\S", "", 0); // Cyrillic letters are non-whitespace...
     40 test("\\s", "", 8); // ...and they aren't whitespace.
     41 test("[\\s]", "", 8);
     42 test("[\\S]", "", 0);
     43 test("[^\\s]", "", 0);
     44 test("[^\\S]", "", 8);
     45 test("[\\s\\S]*", "\\u2002\\r\\n\\u00a0", 0);
     46 test("\\S\\S", "", 0);
     47 test("\\S{2}", "", 0);
     48 
     49 test("\\w", "", 8); // Alas, only ASCII characters count as word ones in JS.
     50 test("\\W", "", 0);
     51 test("[\\w]", "", 8);
     52 test("[\\W]", "", 0);
     53 test("[^\\w]", "", 0);
     54 test("[^\\W]", "", 8);
     55 test("\\W\\W", "", 0);
     56 test("\\W{2}", "", 0);
     57 
     58 test("\\d", "", 8); // Digit and non-digit.
     59 test("\\D", "", 0);
     60 test("[\\d]", "", 8);
     61 test("[\\D]", "", 0);
     62 test("[^\\d]", "", 0);
     63 test("[^\\D]", "", 8);
     64 test("\\D\\D", "", 0);
     65 test("\\D{2}", "", 0);
     66 
     67 test("[\\S\\d]", "123", 0);
     68 test("[\\d\\S]", "123", 0);
     69 test("[^\\S\\d]", "123", 11);
     70 test("[^\\d\\S]", "123", 11);
     71 
     72 test("[ \\S]", "  ", 0);
     73 test("[\\S ]", "  ", 0);
     74 test("[ \\S]", "  ", 0);
     75 test("[\\S ]", "  ", 0);
     76 
     77 test("[^\\S]", "  ", 8);
     78 test("[^\\S]", "  ", 8);
     79 test("[^\\s]", "  ", 4);
     80 test("[^\\s]", "  ", 4);
     81 
     82 test("[ \\s\\S]", " \\r\\n", 0);
     83 test("[\\S\\s ]", " \\r\\n", 0);
     84 
     85 test("[^z]", " \\r\\n", 0);
     86 test("[^]", " \\r\\n", 0);
     87