|  | <!doctype html> | 
|  | <meta charset=utf-8> | 
|  | <title>scroll-padding is respected when typing into an out-of-view textfield</title> | 
|  | <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1701928"> | 
|  | <link rel="help" href="https://drafts.csswg.org/css-scroll-snap/#scroll-padding"> | 
|  | <link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez"> | 
|  | <link rel="author" href="https://mozilla.org" title="Mozilla"> | 
|  | <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 src="/resources/testdriver-actions.js"></script> | 
|  | <style> | 
|  | body { | 
|  | margin: 0; | 
|  | } | 
|  | :root { | 
|  | scroll-padding-top: 100px; | 
|  | } | 
|  | </style> | 
|  | <div style="height: 300vh;"></div> | 
|  | <input type="text"> | 
|  | <div style="height: 300vh;"></div> | 
|  | <script> | 
|  | function tick() { | 
|  | return new Promise(resolve => { | 
|  | requestAnimationFrame(() => requestAnimationFrame(resolve)); | 
|  | }); | 
|  | } | 
|  |  | 
|  | promise_test(async function() { | 
|  | let input = document.querySelector("input"); | 
|  | input.focus(); | 
|  | await tick(); | 
|  | // Scroll out of view. | 
|  | scrollTo(0, document.scrollingElement.scrollHeight); | 
|  | await tick(); | 
|  | assert_not_equals(window.scrollY, 0); | 
|  | assert_true(input.getBoundingClientRect().bottom < 0, "Should be offscreen"); | 
|  | // NOTE(emilio): Using test_driver.Actions() instead of test_driver.send_keys | 
|  | // because the later scrolls the target into view which would defeat the | 
|  | // point of the test... | 
|  | await new test_driver.Actions().keyDown('a').send(); | 
|  | await tick(); | 
|  | // We assert the bottom rather than the top because Gecko scrolls the | 
|  | // selection bounds into view, not the whole input. | 
|  | assert_true(input.getBoundingClientRect().bottom > 100, "Scroll-padding should be respected"); | 
|  | }, "Test scrolling into view when typing"); | 
|  | </script> |