| <!DOCTYPE HTML> |
| <html> |
| <head> |
| <title>deleteCaption()</title> |
| <link rel="author" title="Ben Boyle" href="mailto:benjamins.boyle@gmail.com"> |
| <link rel="help" href="https://html.spec.whatwg.org/multipage/#dom-table-deletecaption" /> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <table id="one-caption"> |
| <caption>Fixture table caption</caption> |
| </table> |
| |
| <table id="two-captions"> |
| <caption>Fixture table caption</caption> |
| <caption>A second caption element</caption> |
| </table> |
| |
| <table id="zero-captions"></table> |
| |
| <table id="descendent-caption"> |
| <tr> |
| <td> |
| <table> |
| <caption>Nested caption</caption> |
| </table> |
| </td> |
| </tr> |
| </table> |
| |
| <script> |
| // The deleteCaption() method must remove the first caption element child of the table element, if any. |
| // https://html.spec.whatwgorg/multipage/tables.html#dom-table-deletecaption |
| test(function() { |
| var table = document.getElementById('one-caption'); |
| |
| table.deleteCaption(); |
| assert_equals(table.getElementsByTagName('caption').length, 0, 'caption was removed'); |
| |
| }, 'deleteCaption() delete only caption on table'); |
| |
| test(function() { |
| var table = document.getElementById('one-caption'); |
| var result; |
| |
| result = table.deleteCaption(); |
| // does .deleteCaption() have a return value? |
| assert_equals(result, undefined, '.deleteCaption() returns undefined'); |
| }, 'deleteCaption() returns undefined'); |
| |
| test(function() { |
| var table = document.getElementById('two-captions'); |
| |
| table.deleteCaption(); |
| assert_equals(table.getElementsByTagName('caption').length, 1, '1 caption (of 2) was removed'); |
| assert_equals(table.getElementsByTagName('caption')[0].textContent, 'A second caption element', 'The first caption was removed'); |
| |
| // removing the only caption |
| table.deleteCaption(); |
| assert_equals(table.getElementsByTagName('caption').length, 0, 'last caption was removed'); |
| }, 'deleteCaption()'); |
| |
| test(function() { |
| var table = document.getElementById('zero-captions'); |
| // removing a caption when none exists |
| table.deleteCaption(); |
| |
| assert_equals(table.getElementsByTagName('caption').length, 0, 'no exceptions using .deleteCaption() on a table without any captions'); |
| |
| }, 'deleteCaption() does not throw any exceptions when called on a table without a caption'); |
| |
| test(function() { |
| var table = document.getElementById( 'descendent-caption' ); |
| table.deleteCaption(); |
| |
| assert_equals(table.getElementsByTagName('caption').length, 1, 'descendent caption was not deleted'); |
| }, 'deleteCaption() does not delete captions in descendent tables'); |
| |
| test(function() { |
| var table = document.getElementById('zero-captions'); |
| var caption; |
| |
| caption = document.createElementNS('http://www.w3.org/2000/svg', 'caption'); |
| table.insertBefore(caption, table.firstChild); |
| assert_equals(table.getElementsByTagName('caption').length, 1, 'SVG:caption is created'); |
| |
| table.deleteCaption(); |
| assert_equals(table.getElementsByTagName('caption').length, 1, 'SVG:caption is not deleted'); |
| |
| }, 'deleteCaption() handles captions from different namespaces'); |
| </script> |
| </body> |
| </html> |
