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| 1 <!DOCTYPE html> |
| 2 <html> |
| 3 <head> |
| 4 <title>If element interface for name doesn't exists then error must be thrown</t
itle> |
| 5 <meta name="author" title="Sergey G. Grekhov" href="mailto:sgrekhov@unipro.ru"> |
| 6 <meta name="assert" content="If NAME was provided and is not null and if element
interface for the name and namespace does not exist or is an interface for a cu
stom element, set ERROR to InvalidName and stop"> |
| 7 <link rel="help" href="http://www.w3.org/TR/custom-elements/#registering-custom-
elements"> |
| 8 <script src="../../../../resources/testharness.js"></script> |
| 9 <script src="../../../../resources/testharnessreport.js"></script> |
| 10 <script src="../testcommon.js"></script> |
| 11 <link rel="stylesheet" href="../../../../resources/testharness.css"> |
| 12 </head> |
| 13 <body> |
| 14 <div id="log"></div> |
| 15 <script> |
| 16 test(function() { |
| 17 var doc = newHTMLDocument(); |
| 18 doc.registerElement('x-a'); |
| 19 assert_throws('NotSupportedError', function() { |
| 20 doc.registerElement('x-b', {extends: 'x-a'}); |
| 21 }, 'Exception should be thrown in case of attempt to register ' + |
| 22 'a custom element which extends another custom element'); |
| 23 }, 'Exception should be thrown in case of attempt to register ' + |
| 24 'a custom element which extends another custom element'); |
| 25 </script> |
| 26 </body> |
| 27 </html> |
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