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List:       webkit-unassigned
Subject:    [Webkit-unassigned] [Bug 25490] New: ToNumber should ignore NBSP
From:       bugzilla-daemon () webkit ! org
Date:       2009-04-30 20:14:05
Message-ID: bug-25490-2851 () https ! bugs ! webkit ! org/
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https://bugs.webkit.org/show_bug.cgi?id=25490

           Summary: ToNumber should ignore NBSP (\u00a0)
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh
               URL: http://hexmen.com/tests/pushpop.html
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned@lists.webkit.org
        ReportedBy: ash.searle@gmail.com


This bug in ToNumber is the only reason WebKit fails a couple of array push/pop
tests at the given URL. 

For a minimal test-case - do an unsigned right-shift as below.  Every case
should result in 3, but we get an answer of 0 when there's a non-breaking
space:
'\u0009 3' >>> 0; /* tab */
'\u0020 3' >>> 0; /* space */ 
'\u00a0 3' >>> 0; /* nbsp - fail! */

(see Section 9.3.1 of the EcmaScript 3rd edition spec for full list of
white-space characters)


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