| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Check duplicate definition</title> |
| <meta name="author" title="Sergey G. Grekhov" href="mailto:sgrekhov@unipro.ru"> |
| <meta name="assert" content="If there already exists a definition with the same TYPE, set ERROR to DuplicateDefinition and stop"> |
| <link rel="help" href="http://www.w3.org/TR/custom-elements/#registering-custom-elements"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../testcommon.js"></script> |
| <link rel="stylesheet" href="/resources/testharness.css"> |
| </head> |
| <body> |
| <div id="log"></div> |
| <script> |
| test(function() { |
| var doc = newHTMLDocument(); |
| var name = 'x-a'; |
| doc.registerElement(name); |
| assert_throws('NotSupportedError', function() { |
| doc.registerElement(name); |
| }, 'Exception should be thrown if definition with the same type already exists'); |
| }, 'Check duplicate definition'); |
| |
| |
| test(function() { |
| var doc = newHTMLDocument(); |
| var name = 'x-b'; |
| doc.registerElement(name); |
| HTML5_ELEMENTS.forEach(function(tagName) { |
| assert_throws('NotSupportedError', function() { |
| doc.registerElement(name, { |
| extends: tagName |
| }); |
| }, 'Exception should be thrown if definition with the same type already exists'); |
| }); |
| }, 'Check duplicate definition. Specify constructor'); |
| |
| |
| test(function() { |
| var doc = newHTMLDocument(); |
| var name = 'x-c'; |
| doc.registerElement(name, { |
| prototype: Object.create(HTMLAnchorElement.prototype), |
| extends: 'a' |
| }); |
| HTML5_ELEMENTS.forEach(function(tagName) { |
| assert_throws('NotSupportedError', function() { |
| doc.registerElement(name, { |
| extends: tagName |
| }); |
| }, 'Exception should be thrown if definition with the same type already exists'); |
| }); |
| }, 'Check duplicate definition. Test different prototypes and extends'); |
| </script> |
| </body> |
| </html> |
