| <!doctype html> |
| <title>CSSOM View - scrollIntoView from focus call shouldn't horizontally scroll a partially visible element</title> |
| <meta charset="utf-8"> |
| <link rel="help" href="https://html.spec.whatwg.org/#dom-focus"> |
| <link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1036817"> |
| <link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1050868"> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <style> |
| #scroller { |
| width: 200px; |
| height: 200px; |
| padding-top: 200px; |
| padding-left: 200px; |
| background: purple; |
| overflow: hidden; |
| } |
| #child { |
| width: 400px; |
| height: 400px; |
| background: green; |
| } |
| </style> |
| <div id="scroller"> |
| <div id="child" tabindex="0"></div> |
| </div> |
| <script> |
| test(function() { |
| let scroller = document.getElementById("scroller"); |
| let child = document.getElementById("child"); |
| |
| scroller.scrollTop = 0; |
| scroller.scrollLeft = 0; |
| |
| assert_equals(scroller.scrollTop, 0, "Precondition"); |
| assert_equals(scroller.scrollLeft, 0, "Precondition"); |
| assert_not_equals(scroller.scrollTopMax, 0, "Precondition") |
| assert_not_equals(scroller.scrollLeftMax, 0, "Precondition") |
| |
| child.focus(); |
| |
| assert_equals(scroller.scrollTop, 200, "Should have scrolled in the vertical direction"); |
| assert_equals(scroller.scrollLeft, 0, "Should not have scrolled in the horizontal direction"); |
| }, "focus scrolls partially-visible child only in vertical axis"); |
| </script> |
| |
