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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.
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      8 //     notice, this list of conditions and the following disclaimer.
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     23 
     24 description(
     25 'Tests for bug <a href="https://bugs.webkit.org/show_bug.cgi?id=21232">#21232</a>, and related range issues described in bug.'
     26 );
     27 
     28 // Basic test for ranges - one to three and five are in regexp, four is not, and '-' should not match
     29 var regexp01 = /[1-35]+/.exec("-12354");
     30 shouldBe('regexp01.toString()', '"1235"');
     31 // Tests inserting an escape character class into the above pattern - where the spaces fall within the
     32 // range it is no longer a range - hyphens should now match, two should not.
     33 var regexp01a = /[\s1-35]+/.exec("-123 54");
     34 shouldBe('regexp01a.toString()', '"123 5"');
     35 
     36 // These are invalid ranges, according to ECMA-262, but we allow them.
     37 var regexp01b = /[1\s-35]+/.exec("21-3 54");
     38 shouldBe('regexp01b.toString()', '"1-3 5"');
     39 var regexp01c = /[1-\s35]+/.exec("21-3 54");
     40 shouldBe('regexp01c.toString()', '"1-3 5"');
     41 
     42 var regexp01d = /[1-3\s5]+/.exec("-123 54");
     43 shouldBe('regexp01d.toString()', '"123 5"');
     44 var regexp01e = /[1-35\s5]+/.exec("-123 54");
     45 shouldBe('regexp01e.toString()', '"123 5"');
     46 // hyphens are normal charaters if a range is not fully specified.
     47 var regexp01f = /[-3]+/.exec("2-34");
     48 shouldBe('regexp01f.toString()', '"-3"');
     49 var regexp01g = /[2-]+/.exec("12-3");
     50 shouldBe('regexp01g.toString()', '"2-"');
     51 
     52 // Similar to the above tests, but where the hyphen is escaped this is never a range.
     53 var regexp02 = /[1\-35]+/.exec("21-354");
     54 shouldBe('regexp02.toString()', '"1-35"');
     55 // As above.
     56 var regexp02a = /[\s1\-35]+/.exec("21-3 54");
     57 shouldBe('regexp02a.toString()', '"1-3 5"');
     58 var regexp02b = /[1\s\-35]+/.exec("21-3 54");
     59 shouldBe('regexp02b.toString()', '"1-3 5"');
     60 var regexp02c = /[1\-\s35]+/.exec("21-3 54");
     61 shouldBe('regexp02c.toString()', '"1-3 5"');
     62 var regexp02d = /[1\-3\s5]+/.exec("21-3 54");
     63 shouldBe('regexp02d.toString()', '"1-3 5"');
     64 var regexp02e = /[1\-35\s5]+/.exec("21-3 54");
     65 shouldBe('regexp02e.toString()', '"1-3 5"');
     66 
     67 // Test that an escaped hyphen can be used as a bound on a range.
     68 var regexp03a = /[\--0]+/.exec(",-.01");
     69 shouldBe('regexp03a.toString()', '"-.0"');
     70 var regexp03b = /[+-\-]+/.exec("*+,-.");
     71 shouldBe('regexp03b.toString()', '"+,-"');
     72 
     73 // The actual bug reported.
     74 var bug21232 = (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test('@');
     75 shouldBe('bug21232', 'false');
     76