| <!doctype html> |
| <meta charset="utf-8"> |
| <title>Details activation with space bar</title> |
| <link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez"> |
| <link rel="author" href="https://mozilla.org" title="Mozilla"> |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1726454"> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| <script src="/resources/testdriver.js"></script> |
| <script src="/resources/testdriver-actions.js"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| <style> |
| :root { |
| scroll-behavior: instant; |
| } |
| .spacer { |
| height: 200vh; |
| } |
| </style> |
| <details> |
| <summary>Activate me with the <kbd>Space</kbd> key</summary> |
| <p>Summary</p> |
| </details> |
| <div class="spacer"></div> |
| <script> |
| function tick() { |
| return new Promise(resolve => requestAnimationFrame(() => requestAnimationFrame(resolve))); |
| } |
| |
| promise_test(async t => { |
| const details = document.querySelector("details"); |
| const summary = details.querySelector("summary"); |
| |
| summary.focus(); |
| assert_equals(document.activeElement, summary, "Summary should be focusable"); |
| assert_false(details.open, "Details should be closed"); |
| |
| const oldScrollY = window.scrollY; |
| assert_equals(oldScrollY, 0, "Should be at top"); |
| |
| window.addEventListener("scroll", t.unreached_func("Unexpected scroll event")); |
| |
| await test_driver.send_keys(summary, " "); |
| |
| assert_true(details.open, "Space bar on summary should open details"); |
| assert_equals(window.scrollY, oldScrollY, "Scroll position shouldn't change"); |
| |
| await tick(); |
| |
| assert_equals(window.scrollY, oldScrollY, "Scroll position shouldn't change"); |
| }); |
| </script> |
