| <!DOCTYPE html> |
| <link rel="help" href="https://drafts.csswg.org/css-align-3/#align-abspos"> |
| <style> |
| body { |
| margin: 0; |
| } |
| |
| .container { |
| writing-mode: horizontal-tb; |
| direction: rtl; |
| display: inline-block; |
| position: relative; |
| margin: 20px; |
| border: solid 4px; |
| width: 100px; |
| height: 100px; |
| } |
| |
| .item { |
| writing-mode: vertical-rl; |
| direction: ltr; |
| position: absolute; |
| background: green; |
| align-self: center; |
| } |
| |
| .inner { |
| width: 20px; |
| height: 20px; |
| } |
| |
| .rtl { |
| direction: rtl; |
| } |
| </style> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/check-layout-th.js"></script> |
| |
| <body onload="checkLayout('.item')"> |
| |
| <!-- No overflow, centered in IMCB. --> |
| <div class="container"> |
| <div class="item" style="top: 20px; bottom: 10px;" data-offset-y="45"> |
| <div class="inner"></div> |
| </div> |
| </div> |
| |
| <!-- Overflows IMCB, but not CB. --> |
| <div class="container"> |
| <div class="item" style="top: 20px; bottom: 10px;" data-offset-y="15"> |
| <div class="inner" style="height: 80px;"></div> |
| </div> |
| </div> |
| |
| <!-- Overflows weak CB edge, shifted. --> |
| <div class="container"> |
| <div class="item" style="top: 20px; bottom: 10px;" data-offset-y="5"> |
| <div class="inner" style="height: 95px;"></div> |
| </div> |
| </div> |
| |
| <!-- Overflows strong CB edge, shifted. --> |
| <div class="container"> |
| <div class="item" style="top: 20px; bottom: 10px;" data-offset-y="0"> |
| <div class="inner" style="height: 120px;"></div> |
| </div> |
| </div> |
| |
| <!-- No overflow, centered in IMCB. --> |
| <div class="container"> |
| <div class="item" style="top: -20px; bottom: -10px;" data-offset-y="35"> |
| <div class="inner"></div> |
| </div> |
| </div> |
| |
| <!-- No overflow, centered in IMCB. --> |
| <div class="container"> |
| <div class="item" style="top: -20px; bottom: -10px;" data-offset-y="-15"> |
| <div class="inner" style="height: 120px;"></div> |
| </div> |
| </div> |
| |
| <!-- Overflows strong CB edge, shifted. --> |
| <div class="container"> |
| <div class="item" style="top: -20px; bottom: -10px;" data-offset-y="-20"> |
| <div class="inner" style="height: 160px;"></div> |
| </div> |
| </div> |
| |
| <!-- RTL items. --> |
| <br> |
| |
| <!-- No overflow, centered in IMCB. --> |
| <div class="container"> |
| <div class="item rtl" style="top: 20px; bottom: 10px;" data-offset-y="45"> |
| <div class="inner"></div> |
| </div> |
| </div> |
| |
| <!-- Overflows IMCB, but not CB. --> |
| <div class="container"> |
| <div class="item rtl" style="top: 20px; bottom: 10px;" data-offset-y="15"> |
| <div class="inner" style="height: 80px;"></div> |
| </div> |
| </div> |
| |
| <!-- Overflows weak CB edge, shifted. --> |
| <div class="container"> |
| <div class="item rtl" style="top: 20px; bottom: 10px;" data-offset-y="5"> |
| <div class="inner" style="height: 95px;"></div> |
| </div> |
| </div> |
| |
| <!-- Overflows strong CB edge, shifted. --> |
| <div class="container"> |
| <div class="item rtl" style="top: 20px; bottom: 10px;" data-offset-y="0"> |
| <div class="inner" style="height: 120px;"></div> |
| </div> |
| </div> |
| |
| <!-- No overflow, centered in IMCB. --> |
| <div class="container"> |
| <div class="item rtl" style="top: -20px; bottom: -10px;" data-offset-y="35"> |
| <div class="inner"></div> |
| </div> |
| </div> |
| |
| <!-- No overflow, centered in IMCB. --> |
| <div class="container"> |
| <div class="item rtl" style="top: -20px; bottom: -10px;" data-offset-y="-15"> |
| <div class="inner" style="height: 120px;"></div> |
| </div> |
| </div> |
| |
| <!-- Overflows strong CB edge, shifted. --> |
| <div class="container"> |
| <div class="item rtl" style="top: -20px; bottom: -10px;" data-offset-y="-20"> |
| <div class="inner" style="height: 160px;"></div> |
| </div> |
| </div> |
