| <!DOCTYPE html> |
| <html> |
| |
| <head> |
| <meta charset="utf-8"> |
| <title> CSS Scroll Snap 2 Test: scroll-initial-target*</title> |
| <link rel="help" href="https://drafts.csswg.org/css-scroll-snap-2/#scroll-initial-target"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| |
| <body> |
| <style> |
| #scroller { |
| height: 500px; |
| width: 500px; |
| display: block; |
| overflow: scroll; |
| writing-mode: vertical-rl; |
| } |
| |
| .box { |
| position: relative; |
| width: 60%; |
| height: 60%; |
| } |
| |
| .top_right { |
| top: 0px; |
| left: 0px; |
| background-color: red; |
| } |
| |
| .center { |
| top: 60%; |
| background-color: purple; |
| scroll-initial-target: nearest; |
| } |
| |
| .bottom_left { |
| top: 120%; |
| background-color: yellow; |
| } |
| </style> |
| <div id="scroller"> |
| <div class="top_right box" id="box1"></div> |
| <div class="center box" id="box2"></div> |
| <div class="bottom_left box" id="box3"></div> |
| </div> |
| <script> |
| let initial_expected_scroll_top = box1.getBoundingClientRect().height; |
| let initial_expected_scroll_left = -box1.getBoundingClientRect().width; |
| |
| test((t) => { |
| assert_equals(scroller.scrollTop, initial_expected_scroll_top, |
| "scroller is vertically scrolled to scroll-initial-target"); |
| assert_equals(scroller.scrollLeft, initial_expected_scroll_left, |
| "scroller is horizontally scrolled to scroll-initial-target"); |
| }, "scroll-initial-target reflects vertical rtl writing mode."); |
| </script> |
| </body> |
| |
| </html> |
