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Test Info: Warnings
- This test has a WPT meta file that expects 5 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /css/css-anchor-position/anchor-center-vrl-htb.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>Tests the position and available-size of 'anchor-center' alignment with different insets.</title>
<style>
.container {
writing-mode: vertical-rl;
width: 100px;
height: 100px;
border: solid 3px;
position: relative;
margin: 50px;
}
.anchor {
anchor-name: --anchor;
position: relative;
width: 50px;
height: 50px;
right: 10px;
top: 40px;
background: lime;
}
.target {
writing-mode: horizontal-tb;
position-anchor: --anchor;
position: absolute;
background: cyan;
align-self: anchor-center;
top: anchor(bottom);
height: 20px;
}
/* used to test the available-size given to the element */
.target::after {
color: transparent;
content: 'a a a a a a a a a a a a a a a a a a';
}
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<body onload="checkLayout('.target')">
<!-- no insets -->
<div class="container">
<div class="anchor"></div>
<div class="target" data-expected-width="100" data-offset-x="0"></div>
</div>
<div class="container">
<div class="anchor"></div>
<div class="target" style="max-width: 60px;" data-expected-width="60" data-offset-x="35"></div>
</div>
<!-- single insets -->
<div class="container">
<div class="anchor"></div>
<div class="target" style="left: 20px;" data-expected-width="80" data-offset-x="20"></div>
</div>
<div class="container">
<div class="anchor"></div>
<div class="target" style="right: 20px;" data-expected-width="80" data-offset-x="20"></div>
</div>
<div class="container">
<div class="anchor"></div>
<div class="target" style="right: -20px;" data-expected-width="120" data-offset-x="0"></div>
</div>
<div class="container">
<div class="anchor"></div>
<div class="target" style="max-width: 100px; right: -20px;" data-expected-width="100" data-offset-x="15"></div>
</div>
<div class="container">
<div class="anchor"></div>
<div class="target" style="right: -50px;" data-expected-width="150" data-offset-x="0"></div>
</div>
<!-- both insets -->
<div class="container">
<div class="anchor"></div>
<div class="target" style="left: 10px; right: 20px;" data-expected-width="70" data-offset-x="30"></div>
</div>
<div class="container">
<div class="anchor"></div>
<div class="target" style="left: 10px; right: -20px;" data-expected-width="110" data-offset-x="10"></div>
</div>
<div class="container">
<div class="anchor"></div>
<div class="target" style="left: -10px; right: -50px;" data-expected-width="160" data-offset-x="-10"></div>
</div>