| <!doctype html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <form> |
| <select> |
| <option value='foo'>bar</option> |
| </select> |
| </form> |
| <script> |
| test(() => { |
| var option = document.querySelector('option'); |
| var textChild = option.firstChild; |
| assert_equals(textChild.nodeValue, "bar", "Verify that text child node's value equals the option value."); |
| assert_true(textChild.isConnected, 'Verify that text child node is in the document.'); |
| option.text = "baz"; |
| assert_equals(textChild.nodeValue, "bar", 'Verify that the text child node does not have an updated value.'); |
| assert_false(textChild.isConnected, 'Verify that the text child node is not in the document.'); |
| assert_not_equals(textChild, option.firstChild, 'Verify that text child node was replaced by a different text child node.'); |
| assert_equals(option.firstChild.nodeValue, "baz", 'Verify that the new text child node does equal the updated value.'); |
| assert_equals(option.text, "baz", 'Verify that option text getter returns the updated value.'); |
| option.text = ""; |
| assert_equals(option.firstChild, null, 'Verify that after setting to empty string there are no child text nodes.'); |
| }, 'Verify that using HTMLOptionElement.text setter does not update the existing text child node.'); |
| </script> |
