| <!doctype html> |
| <html> |
| <head> |
| <title>shadowRoot.fullscreenElement works correctly</title> |
| <link rel="author" title="Tim Nguyen" href="https://github.com/nt1m"> |
| <link rel="help" href="https://fullscreen.spec.whatwg.org/#dom-document-fullscreenelement"> |
| </head> |
| <div id="host"> |
| <button onclick="document.exitFullscreen()" id="exitButton">Exit fullscreen</button> |
| </div> |
| <button id="requestButton">Go fullscreen</button> |
| |
| <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> |
| <script> |
| promise_test(async function() { |
| let host = document.getElementById("host"); |
| host.attachShadow({ mode: "open" }).innerHTML = ` |
| <style> |
| #outer { width: 200px; height: 200px; background: blue } |
| </style> |
| <div id="outer"> |
| <slot></slot> |
| </div> |
| `; |
| let outer = host.shadowRoot.querySelector("#outer"); |
| await new Promise((resolve) => { |
| addEventListener("fullscreenchange", resolve, { once: true }); |
| requestButton.addEventListener("click", () => outer.requestFullscreen()); |
| test_driver.click(requestButton); |
| }); |
| |
| assert_equals(outer.getRootNode().fullscreenElement, outer, "Correct shadowRoot.fullscreenElement after entering"); |
| assert_equals(document.fullscreenElement, host, "Correct document.fullscreenElement after entering"); |
| |
| await new Promise((resolve) => { |
| addEventListener("fullscreenchange", resolve, { once: true }); |
| test_driver.click(exitButton); |
| }); |
| |
| assert_equals(outer.getRootNode().fullscreenElement, null, "Correct shadowRoot.fullscreenElement after exiting"); |
| assert_equals(document.fullscreenElement, null, "Correct document.fullscreenElement after exiting"); |
| }, "shadowRoot.fullscreenElement works correctly"); |
| </script> |
| </html> |
