| <!DOCTYPE html> |
| <title>Test "end-edges" of scrollable overflows in various writing modes</title> |
| <link rel="help" href="https://drafts.csswg.org/css-overflow-3/#scrollable"> |
| <link rel="author" href="mailto:kojii@chromium.org"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style> |
| scroller { |
| display: inline-block; |
| overflow: auto; |
| width: 100px; |
| height: 100px; |
| font-size: 50px; |
| line-height: 1; |
| } |
| .vlr { writing-mode: vertical-lr; } |
| .vrl { writing-mode: vertical-rl; } |
| .htb > .block-start { padding-top: 200px; } |
| .htb > .block-end { padding-bottom: 200px; } |
| .vlr > .block-start { padding-left: 200px; } |
| .vlr > .block-end { padding-right: 200px; } |
| .vrl > .block-start { padding-right: 200px; } |
| .vrl > .block-end { padding-left: 200px; } |
| </style> |
| <body> |
| <div id="log"></div> |
| <div class="htb"> |
| <scroller class="block-start">A</scroller> |
| <scroller class="block-end">A</scroller> |
| </div> |
| <div class="vlr"> |
| <scroller class="block-start">A</scroller> |
| <scroller class="block-end">A</scroller> |
| </div> |
| <div class="vrl"> |
| <scroller class="block-start">A</scroller> |
| <scroller class="block-end">A</scroller> |
| </div> |
| <script> |
| for (let element of document.getElementsByTagName('scroller')) { |
| let writing_mode = getComputedStyle(element).writingMode; |
| test(() => { |
| assert_equals(element.scrollWidth, element.offsetWidth, "scrollWidth"); |
| assert_equals(element.scrollHeight, element.offsetHeight, "scrollHeight"); |
| }, writing_mode + ' ' + element.className); |
| } |
| </script> |
| </body> |