| <!DOCTYPE html> |
| <meta charset="utf-8" /> |
| <title>CSS Selectors Invalidation: :fullscreen 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> |
| <script src="/resources/testdriver.js"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| |
| <style> |
| #subject:has(#target:fullscreen) { color: green; } |
| </style> |
| |
| <div id="subject"> |
| This is some text. |
| <div id="target">This is going to be fullscreened</div> |
| </div> |
| |
| <script> |
| let waitForFullscreenChange = () => { |
| return new Promise((resolve) => { |
| document.addEventListener("fullscreenchange", resolve, { once: true }); |
| }); |
| }; |
| |
| promise_test(async function() { |
| assert_equals(getComputedStyle(subject).color, "rgb(0, 0, 0)", |
| "ancestor should be black"); |
| test_driver.bless("fullscreen", () => target.requestFullscreen()); |
| await waitForFullscreenChange(); |
| assert_equals(getComputedStyle(subject).color, "rgb(0, 128, 0)", |
| "ancestor should be green since target is fullscreen"); |
| document.exitFullscreen(); |
| await waitForFullscreenChange(); |
| assert_equals(getComputedStyle(subject).color, "rgb(0, 0, 0)", |
| "ancestor should be black since target is no longer fullscreen"); |
| }, ":fullscreen pseudo-class invalidation with requestFullscreen + exitFullscreen"); |
| |
| promise_test(async function() { |
| assert_equals(getComputedStyle(subject).color, "rgb(0, 0, 0)", |
| "ancestor should be black"); |
| test_driver.bless("fullscreen", () => target.requestFullscreen()); |
| await waitForFullscreenChange(); |
| assert_equals(getComputedStyle(subject).color, "rgb(0, 128, 0)", |
| "ancestor should be green since target is fullscreen"); |
| target.remove(); |
| await waitForFullscreenChange(); |
| assert_equals(getComputedStyle(subject).color, "rgb(0, 0, 0)", |
| "ancestor should be black since target is removed"); |
| }, ":fullscreen pseudo-class invalidation with requestFullscreen + remove"); |
| </script> |