[Webkit-unassigned] [Bug 48579] HTML5 Conformance Test failure: approved/canvas/type.prototype.html

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=48579


Priyanka <ahollyhock at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |ahollyhock at gmail.com




--- Comment #1 from Priyanka <ahollyhock at gmail.com>  2011-09-29 18:42:07 PST ---
Hi,

I checked this test which is now present in location (Webkit\LayoutTests\canvas\philip\tests\type.prototype.html) and online location http://philip.html5.org/tests/canvas/suite/tests/type.prototype.html

with webkit revision on Windows 7  
Last Changed Rev: 95852
Last Changed Date: 2011-09-23 15:56:21 -0400 (Fri, 23 Sep 2011)

This test fails on Safari 5.1 and Firefox but passes on Opera.
The test fails because webkit does not allow the deletion of property "getContext" via script

delete window.HTMLCanvasElement.prototype.getContext;

The reason is - "getContext" has attribute "DontDelete | Function" so it does not permit the script to delete this property.

But I could not find any reference in WHATWG website whether this deletion should be allowed ??

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