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<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-anchor-1/#propdef-anchor-name">
<link rel="author" href="mailto:kojii@chromium.org">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<script src="support/test-common.js"></script>
<style>
.container {
position: relative;
height: 10px;
}
.anchor1 {
anchor-name: --a1;
width: 5px;
height: 7px;
background: orange;
}
.target {
position: absolute;
}
.htb {
writing-mode: horizontal-tb;
}
.vrl {
writing-mode: vertical-rl;
}
</style>
<body onload="checkLayoutForAnchorPos('.target')">
<div class="container">
<div class="anchor1 vrl"></div>
<!-- Anchor's `writing-mode` should not matter. -->
<div class="target" style="width: anchor-size(--a1 width)" data-expected-width=5></div>
<div class="target" style="width: anchor-size(--a1 height)" data-expected-width=7></div>
<div class="target" style="width: anchor-size(--a1 inline)" data-expected-width=5></div>
<div class="target" style="width: anchor-size(--a1 block)" data-expected-width=7></div>
<div class="target" style="width: anchor-size(--a1 self-inline)" data-expected-width=5></div>
<div class="target" style="width: anchor-size(--a1 self-block)" data-expected-width=7></div>
<!-- `self-inline` and `self-block` take target's `writing-mode` into account. -->
<div class="target vrl" style="width: anchor-size(--a1 width)" data-expected-width=5></div>
<div class="target vrl" style="width: anchor-size(--a1 height)" data-expected-width=7></div>
<div class="target vrl" style="width: anchor-size(--a1 inline)" data-expected-width=5></div>
<div class="target vrl" style="width: anchor-size(--a1 block)" data-expected-width=7></div>
<div class="target vrl" style="width: anchor-size(--a1 self-inline)" data-expected-width=7></div>
<div class="target vrl" style="width: anchor-size(--a1 self-block)" data-expected-width=5></div>
</div>
<div class="container vrl">
<div class="anchor1 htb"></div>
<!-- Anchor's `writing-mode` should not matter. -->
<div class="target" style="width: anchor-size(--a1 width)" data-expected-width=5></div>
<div class="target" style="width: anchor-size(--a1 height)" data-expected-width=7></div>
<div class="target" style="width: anchor-size(--a1 inline)" data-expected-width=7></div>
<div class="target" style="width: anchor-size(--a1 block)" data-expected-width=5></div>
<div class="target" style="width: anchor-size(--a1 self-inline)" data-expected-width=7></div>
<div class="target" style="width: anchor-size(--a1 self-block)" data-expected-width=5></div>
<!-- `self-inline` and `self-block` take target's `writing-mode` into account. -->
<div class="target htb" style="width: anchor-size(--a1 width)" data-expected-width=5></div>
<div class="target htb" style="width: anchor-size(--a1 height)" data-expected-width=7></div>
<div class="target htb" style="width: anchor-size(--a1 inline)" data-expected-width=7></div>
<div class="target htb" style="width: anchor-size(--a1 block)" data-expected-width=5></div>
<div class="target htb" style="width: anchor-size(--a1 self-inline)" data-expected-width=5></div>
<div class="target htb" style="width: anchor-size(--a1 self-block)" data-expected-width=7></div>
</div>
</body>
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