| <!DOCTYPE html> |
| <meta charset="utf-8" /> |
| <title>CSS Selectors Invalidation: :modal pseudo class in :has()</title> |
| <link rel="author" title="Tim Nguyen" href="https://github.com/nt1m"> |
| <link rel="help" href="https://drafts.csswg.org/selectors/#relational"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| #subject:has(#dialog:modal) { color: green } |
| </style> |
| <div id="subject"> |
| This is some text. |
| <dialog id="dialog">This is a dialog</dialog> |
| </div> |
| <script> |
| test(function() { |
| assert_equals(getComputedStyle(subject).color, "rgb(0, 0, 0)", |
| "ancestor should be black since dialog is not modal"); |
| dialog.show(); |
| assert_equals(getComputedStyle(subject).color, "rgb(0, 0, 0)", |
| "ancestor should be black since dialog is not modal"); |
| dialog.close(); |
| }, ":modal pseudo-class is not active with dialog.show()"); |
| test(function() { |
| assert_equals(getComputedStyle(subject).color, "rgb(0, 0, 0)", |
| "ancestor should be black"); |
| dialog.showModal(); |
| assert_equals(getComputedStyle(subject).color, "rgb(0, 128, 0)", |
| "ancestor should be green since dialog is shown modally"); |
| dialog.close(); |
| assert_equals(getComputedStyle(subject).color, "rgb(0, 0, 0)", |
| "ancestor should be black since dialog is closed"); |
| }, ":modal pseudo-class invalidation with showModal+close"); |
| test(function() { |
| assert_equals(getComputedStyle(subject).color, "rgb(0, 0, 0)", |
| "ancestor should be black"); |
| dialog.showModal(); |
| assert_equals(getComputedStyle(subject).color, "rgb(0, 128, 0)", |
| "ancestor should be green since dialog is shown modally"); |
| dialog.remove(); |
| assert_equals(getComputedStyle(subject).color, "rgb(0, 0, 0)", |
| "ancestor should be black since dialog is closed"); |
| }, ":modal pseudo-class invalidation with showModal+remove"); |
| </script> |
