selection-target.html (1866B)
1 <!doctype html> 2 <meta charset=utf-8> 3 <title>scroll-padding is respected when typing into an out-of-view textfield</title> 4 <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1701928"> 5 <link rel="help" href="https://drafts.csswg.org/css-scroll-snap/#scroll-padding"> 6 <link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez"> 7 <link rel="author" href="https://mozilla.org" title="Mozilla"> 8 <script src="/resources/testharness.js"></script> 9 <script src="/resources/testharnessreport.js"></script> 10 <script src="/resources/testdriver.js"></script> 11 <script src="/resources/testdriver-vendor.js"></script> 12 <script src="/resources/testdriver-actions.js"></script> 13 <style> 14 body { 15 margin: 0; 16 } 17 :root { 18 scroll-padding-top: 100px; 19 } 20 </style> 21 <div style="height: 300vh;"></div> 22 <input type="text"> 23 <div style="height: 300vh;"></div> 24 <script> 25 function tick() { 26 return new Promise(resolve => { 27 requestAnimationFrame(() => requestAnimationFrame(resolve)); 28 }); 29 } 30 31 promise_test(async function() { 32 let input = document.querySelector("input"); 33 input.focus(); 34 await tick(); 35 // Scroll out of view. 36 scrollTo(0, document.scrollingElement.scrollHeight); 37 await tick(); 38 assert_not_equals(window.scrollY, 0); 39 assert_true(input.getBoundingClientRect().bottom < 0, "Should be offscreen"); 40 // NOTE(emilio): Using test_driver.Actions() instead of test_driver.send_keys 41 // because the later scrolls the target into view which would defeat the 42 // point of the test... 43 await new test_driver.Actions().keyDown('a').send(); 44 await tick(); 45 // We assert the bottom rather than the top because Gecko scrolls the 46 // selection bounds into view, not the whole input. 47 assert_true(input.getBoundingClientRect().bottom > 100, "Scroll-padding should be respected"); 48 }, "Test scrolling into view when typing"); 49 </script>