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Merged
merged 5 commits into from
Oct 11, 2025
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Merged

WebKit export of https://bugs.webkit.org/show_bug.cgi?id=295503 #55373

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25d20ea
WebKit export of https://bugs.webkit.org/show_bug.cgi?id=295503
nt1m Oct 11, 2025
27b1b54
Update anchor-center-safe-ref.html
nt1m Oct 11, 2025
8a64302
Update anchor-center-safe-rtl-ref.html
nt1m Oct 11, 2025
ff0bd1a
Update anchor-center-safe-rtl.html
nt1m Oct 11, 2025
36751ec
Update anchor-center-safe.html
nt1m Oct 11, 2025
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49 changes: 49 additions & 0 deletions css/css-anchor-position/anchor-center-safe-ref.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,49 @@
<!doctype html>
<title>Tests whether safe alignment works correctly on the anchor element.</title>
<style>
.anchor {
position: fixed;
left: 0px;
top: 0px;
height: 30px;
color: white;
background-color: green;
}
.infobox {
color: darkblue;
background-color: azure;
border: 1px solid #ddd;
padding: 10px;
position: fixed;
top: 35px;
left: 0px;
}
.anchor2 {
position: fixed;
left: 340px;
top: 0px;
height: 30px;
width: 100px;
color: white;
background-color: green;
}
.infobox2 {
color: darkblue;
background-color: azure;
border: 1px solid #ddd;
padding: 10px;
position: fixed;
top: 0px;
left: 445px; /* This value is calculated from the left position value of .anchor2 plus its width, plus an additional 5 px of padding */
}
</style>
<div style="position: relative;">
<div class="anchor">Anchor</div>
<div class="infobox">
<p>Anchored element with justify-self</p>
</div>
<div class="anchor2">Anchor2</div>
<div class="infobox2">
<p>Anchored element with align-self</p>
</div>
</div>
53 changes: 53 additions & 0 deletions css/css-anchor-position/anchor-center-safe-rtl-ref.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,53 @@
<!doctype html>
<title>Tests whether safe alignment works correctly on the anchor element.</title>
<style>
body {
direction: rtl;
display: inline;
}
.anchor {
position: fixed;
top: 0px;
right: 0px;
height: 30px;
color: white;
background-color: green;
}
.infobox {
color: darkblue;
background-color: azure;
border: 1px solid #ddd;
padding: 10px;
position: fixed;
top: 35px;
right: 0px;
}
.anchor2 {
position: fixed;
top: 0px;
right: 390px;
width: 100px;
height: 30px;
color: white;
background-color: green;
}
.infobox2 {
color: darkblue;
background-color: azure;
border: 1px solid #ddd;
padding: 10px;
position: fixed;
top: 0px;
right: 495px; /* This value is calculated from the right position value of .anchor2 plus its width, plus an additional 5 px of padding */
}
</style>
<div style="position: relative;">
<div class="anchor">Anchor</div>
<div class="infobox">
<p>Anchored element with justify-self</p>
</div>
<div class="anchor2">Anchor</div>
<div class="infobox2">
<p>Anchored element with align-self</p>
</div>
</div>
59 changes: 59 additions & 0 deletions css/css-anchor-position/anchor-center-safe-rtl.html
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Original file line number Diff line number Diff line change
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<!doctype html>
<title>Tests whether safe alignment works correctly on the anchor element.</title>
<link rel="match" href="anchor-center-safe-ref.html">
<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#anchor-center">
<style>
body {
direction: rtl;
display: inline;
}
.anchor {
position: fixed;
top: 0px;
right: 0px;
height: 30px;
color: white;
background-color: green;
anchor-name: --myAnchor;
}
.infobox {
color: darkblue;
background-color: azure;
border: 1px solid #ddd;
padding: 10px;
position: fixed;
position-anchor: --myAnchor;
top: calc(anchor(bottom) + 5px);
right: 0px;
justify-self: safe anchor-center;
}
.anchor2 {
position: fixed;
top: 0px;
right: 390px;
width: 100px;
height: 30px;
color: white;
background-color: green;
anchor-name: --myAnchor2;
}
.infobox2 {
color: darkblue;
background-color: azure;
border: 1px solid #ddd;
padding: 10px;
position: fixed;
position-anchor: --myAnchor2;
top: calc(anchor(right) + 5px);
right: calc(anchor(left) + 5px);
align-self: safe anchor-center;
}
</style>
<div class="anchor">Anchor</div>
<div class="infobox">
<p>Anchored element with justify-self</p>
</div>
<div class="anchor2">Anchor</div>
<div class="infobox2">
<p>Anchored element with align-self</p>
</div>
55 changes: 55 additions & 0 deletions css/css-anchor-position/anchor-center-safe.html
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Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,55 @@
<!doctype html>
<title>Tests whether safe alignment works correctly on the anchor element.</title>
<link rel="match" href="anchor-center-safe-ref.html">
<link rel="help" href="https://drafts.csswg.org/css-anchor-position-1/#anchor-center">
<style>
.anchor {
position: fixed;
left: 0px;
top: 0px;
height: 30px;
color: white;
background-color: green;
anchor-name: --myAnchor;
}
.infobox {
color: darkblue;
background-color: azure;
border: 1px solid #ddd;
padding: 10px;
position: fixed;
position-anchor: --myAnchor;
top: calc(anchor(bottom) + 5px);
left: 0px;
justify-self: safe anchor-center;
}

.anchor2 {
position: fixed;
top: 0px;
left: 340px;
height: 30px;
width: 100px;
color: white;
background-color: green;
anchor-name: --myAnchor2;
}
.infobox2 {
color: darkblue;
background-color: azure;
border: 1px solid #ddd;
padding: 10px;
position: fixed;
position-anchor: --myAnchor2;
left: calc(anchor(right) + 5px);
align-self: safe anchor-center;
}
</style>
<div class="anchor">Anchor</div>
<div class="infobox">
<p>Anchored element with justify-self</p>
</div>
<div class="anchor2">Anchor2</div>
<div class="infobox2">
<p>Anchored element with align-self</p>
</div>