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chromium-wpt-export-bot merged 1 commit into from
Jan 12, 2026
Merged

[Masonry] Handle inline size containment #57085

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18 changes: 18 additions & 0 deletions ...css-grid/grid-lanes/tentative/intrinsic-sizing/grid-lanes-contain-intrinsic-size-001.html
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<!doctype html>
<meta charset="utf8">
<title>CSS contain-intrinsic-size: unsized div</title>
<link rel="author" title="Celeste Pan" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-grid-3">
<link rel="match" href="../../../../css-sizing/contain-intrinsic-size/contain-intrinsic-size-001-ref.html">
<meta name="assert" content="contain-intrinsic-size is used to size the div as if it had a single child of this size">

<style>
#target {
display: grid-lanes;
background: lightblue;
contain-intrinsic-size: 111px 222px;
contain: size;
}
</style>

<div id=target></div>
24 changes: 24 additions & 0 deletions ...css-grid/grid-lanes/tentative/intrinsic-sizing/grid-lanes-contain-intrinsic-size-002.html
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<!doctype html>
<meta charset="utf8">
<title>CSS contain-intrinsic-size: div with max-content parent</title>
<link rel="author" title="Celeste Pan" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-grid-3">
<link rel="match" href="../../../../css-sizing/contain-intrinsic-size/contain-intrinsic-size-002-ref.html">
<meta name="assert" content="contain-intrinsic-size is used to size the div, with parent's max-content width respecting it">

<style>
#border {
width: max-content;
border: 1px solid black;
}
#target {
display: grid-lanes;
background: lightblue;
contain-intrinsic-size: 111px 222px;
contain: size;
}
</style>

<div id=border>
<div id=target></div>
</div>
19 changes: 19 additions & 0 deletions ...css-grid/grid-lanes/tentative/intrinsic-sizing/grid-lanes-contain-intrinsic-size-003.html
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<!doctype html>
<meta charset="utf8">
<title>CSS contain-intrinsic-size: width specified</title>
<link rel="author" title="Celeste Pan" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-grid-3">
<link rel="match" href="../../../../css-sizing/contain-intrinsic-size/contain-intrinsic-size-003-ref.html">
<meta name="assert" content="contain-intrinsic-size's width is ignored if width is specified">

<style>
#target {
display: grid-lanes;
background: lightblue;
contain-intrinsic-size: 111px 222px;
contain: size;
width: 50px;
}
</style>

<div id=target></div>
19 changes: 19 additions & 0 deletions ...css-grid/grid-lanes/tentative/intrinsic-sizing/grid-lanes-contain-intrinsic-size-004.html
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<!doctype html>
<meta charset="utf8">
<title>CSS contain-intrinsic-size: width is min-content</title>
<link rel="author" title="Celeste Pan" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-grid-3">
<link rel="match" href="../../../../css-sizing/contain-intrinsic-size/contain-intrinsic-size-004-ref.html">
<meta name="assert" content="div is sized to intrinsic-width if width is min-content">

<style>
#target {
display: grid-lanes;
background: lightblue;
contain-intrinsic-size: 111px 222px;
contain: size;
width: min-content;
}
</style>

<div id=target></div>
19 changes: 19 additions & 0 deletions ...css-grid/grid-lanes/tentative/intrinsic-sizing/grid-lanes-contain-intrinsic-size-005.html
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<!doctype html>
<meta charset="utf8">
<title>CSS contain-intrinsic-size: width is max-content</title>
<link rel="author" title="Celeste Pan" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-grid-3">
<link rel="match" href="../../../../css-sizing/contain-intrinsic-size/contain-intrinsic-size-005-ref.html">
<meta name="assert" content="div is sized to intrinsic-width if width is max-content">

<style>
#target {
display: grid-lanes;
background: lightblue;
contain-intrinsic-size: 111px 222px;
contain: size;
width: max-content;
}
</style>

<div id=target></div>
18 changes: 18 additions & 0 deletions ...css-grid/grid-lanes/tentative/intrinsic-sizing/grid-lanes-contain-intrinsic-size-006.html
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<!doctype html>
<meta charset="utf8">
<title>CSS contain-intrinsic-size: unsized div, intrinsic-size is small</title>
<link rel="author" title="Celeste Pan" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-grid-3">
<link rel="match" href="../../../../css-sizing/contain-intrinsic-size/contain-intrinsic-size-006-ref.html">
<meta name="assert" content="content dimensions are ignored if intrinsic-size is specified">

<style>
#target {
display: grid-lanes;
background: lightblue;
contain-intrinsic-size: 5px 6px;
contain: size;
}
</style>

<div id=target>Lorem ipsum</div>
28 changes: 28 additions & 0 deletions ...css-grid/grid-lanes/tentative/intrinsic-sizing/grid-lanes-contain-intrinsic-size-007.html
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<!doctype html>
<meta charset="utf8">
<title>CSS contain-intrinsic-size: div with border</title>
<link rel="author" title="Celeste Pan" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-grid-3">
<link rel="match" href="../../../../css-sizing/contain-intrinsic-size/contain-intrinsic-size-007-ref.html">
<meta name="assert" content="contain-intrinsic-size sizes the content box, not the border box">

<style>
#border {
border: 1px solid blue;
width: max-content;
}

#target {
display: grid-lanes;
background: lightblue;
contain-intrinsic-size: 55px 66px;
contain: size;
border-style: solid;
border-color: black;
border-width: 2px 3px 5px 7px;
}
</style>

<div id=border>
<div id=target></div>
</div>
39 changes: 39 additions & 0 deletions ...css-grid/grid-lanes/tentative/intrinsic-sizing/grid-lanes-contain-intrinsic-size-008.html
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<!doctype html>
<meta charset="utf8">
<title>CSS contain-intrinsic-size: writing modes</title>
<link rel="author" title="Celeste Pan" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-grid-3">
<link rel="match" href="../../../../css-sizing/contain-intrinsic-size/contain-intrinsic-size-008-ref.html">
<meta name="assert" content="contain-intrinsic-size specifies physical dimensions, and respects writing modes">

<style>
.border {
border: 1px solid blue;
width: max-content;
margin: 5px;
}

.box {
display: grid-lanes;
background: lightblue;
contain-intrinsic-size: 55px 66px;
contain: size;
border-style: solid;
border-color: black;
border-width: 2px 3px 5px 7px;
padding: 11px 13px 17px 19px;
}
.verticalrl {
writing-mode: vertical-rl;
}
.verticallr {
writing-mode: vertical-lr;
}
.horizontaltb {
writing-mode: horizontal-tb;
}
</style>

<div class=border><div class="box verticalrl">Lorem</div></div>
<div class=border><div class="box verticallr">Ipsum</div></div>
<div class=border><div class="box horizontaltb">Dolor</div></div>
69 changes: 69 additions & 0 deletions ...css-grid/grid-lanes/tentative/intrinsic-sizing/grid-lanes-contain-intrinsic-size-009.html
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<!doctype html>
<meta charset="utf-8">
<title>CSS contain-intrinsic-size: select multiple</title>
<link rel="author" title="Celeste Pan" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-grid-3">
<meta name="assert" content="contain-intrinsic-size sizes select multiple">

<style>
.cis-both {
contain-intrinsic-size: 55px 66px;
}

.cis-width {
contain-intrinsic-size: 55px none;
}

.cis-height {
contain-intrinsic-size: none 66px;
}

select {
padding: 0;
}

.test {
display: grid-lanes;
contain: size;
background: lightblue;
border: 1px solid blue;
margin: 5px;
}
</style>

<!-- To measure the size of an empty <select> without size containment -->
<select id="reference" multiple size="2"></select>

<select multiple class="test cis-both"
data-expected-client-width="55" data-expected-client-height="66"></select>
<select multiple class="test cis-width"
data-expected-client-width="55"></select>
<select multiple class="test cis-height"
data-expected-client-height="66"></select>

<select multiple size="2" class="test cis-width"
data-expected-client-width="55"></select>
<select multiple size="2" class="test cis-height"
data-expected-client-height="66"></select>

<select multiple size="10" class="test cis-width"
data-expected-client-width="55"></select>
<select multiple size="10" class="test cis-height"
data-expected-client-height="66"></select>

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<script>
const reference = document.getElementById("reference");
const normalWidth = reference.clientWidth;
for (let test of document.querySelectorAll(".test.cis-width")) {
reference.size = test.size || 4;
test.dataset.expectedClientHeight = reference.clientHeight;
}
for (let test of document.querySelectorAll(".test.cis-height")) {
test.dataset.expectedClientWidth = normalWidth;
}

checkLayout('.test');
</script>
17 changes: 17 additions & 0 deletions ...css-grid/grid-lanes/tentative/intrinsic-sizing/grid-lanes-contain-intrinsic-size-010.html
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<!doctype html>
<meta charset="utf8">
<title>CSS contain-intrinsic-size: replaced content</title>
<link rel="author" title="Celeste Pan" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-grid-3">
<link rel="match" href="../../../../css-sizing/contain-intrinsic-size/contain-intrinsic-size-012-ref.html">
<meta name="assert" content="contain-intrinsic-size overrides replaced content's intrinsic dimensions">

<style>
#target {
display: grid-lanes;
contain-intrinsic-size: 100px 200px;
contain: size;
}
</style>

<img id=target src="../../../../css-sizing/contain-intrinsic-size/resources/dice.png"></img>
34 changes: 34 additions & 0 deletions ...css-grid/grid-lanes/tentative/intrinsic-sizing/grid-lanes-contain-intrinsic-size-011.html
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<!doctype html>
<html class="reftest-wait">
<meta charset="utf8">
<title>CSS contain-intrinsic-size: intrinsic-size changes.</title>
<link rel="author" title="Celeste Pan" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-grid-3">
<link rel="match" href="../../../../css-sizing/contain-intrinsic-size/contain-intrinsic-size-013-ref.html">
<meta name="assert" content="changes in intrinsic-size cause reflow">
<script src="/common/reftest-wait.js"></script>

<style>
#border {
width: max-content;
border: 1px solid black;
}
#border > div {
display: grid-lanes;
contain-intrinsic-size: 55px 66px;
contain: size;
}
</style>

<div id=border><div id=target></div></div>

<script>
function changeStyle() {
document.getElementById("target").style = "contain-intrinsic-size: 77px 88px;";
requestAnimationFrame(takeScreenshot);
}

onload = () => requestAnimationFrame(() => requestAnimationFrame(changeStyle));

</script>
</html>
20 changes: 20 additions & 0 deletions ...css-grid/grid-lanes/tentative/intrinsic-sizing/grid-lanes-contain-intrinsic-size-012.html
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<!doctype html>
<meta charset="utf8">
<title>CSS contain-intrinsic-size: sized div</title>
<link rel="author" title="Celeste Pan" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-grid-3">
<link rel="match" href="../../../../css-sizing/contain-intrinsic-size/contain-intrinsic-size-018-ref.html">
<meta name="assert" content="width / height ignore intrinsic-size">

<style>
#target {
display: grid-lanes;
background: lightblue;
width: 55px;
height: 66px;
contain-intrinsic-size: 111px 222px;
contain: size;
}
</style>

<div id=target></div>
19 changes: 19 additions & 0 deletions ...css-grid/grid-lanes/tentative/intrinsic-sizing/grid-lanes-contain-intrinsic-size-013.html
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<!doctype html>
<meta charset="utf8">
<title>CSS contain-intrinsic-size: div with fit-content width</title>
<link rel="author" title="Celeste Pan" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-grid-3">
<link rel="match" href="../../../../css-sizing/contain-intrinsic-size/contain-intrinsic-size-019-ref.html">
<meta name="assert" content="div is sized to intrinsic-width when width is fit-content">

<style>
#target {
display: grid-lanes;
background: lightblue;
contain-intrinsic-size: 111px 222px;
contain: size;
width: fit-content;
}
</style>

<div id=target></div>
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