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WebKit export of https://bugs.webkit.org/show_bug.cgi?id=320233 #62141

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Merged
sammygill merged 1 commit into from
Aug 22, 2026
Merged

WebKit export of https://bugs.webkit.org/show_bug.cgi?id=320233 #62141

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26 changes: 26 additions & 0 deletions css/css-grid/layout-algorithm/flexible-column-track-intrinsic-sizing-001-crash.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,26 @@
<!DOCTYPE html>
<meta charset="utf-8">
<link rel="author" title="Sammy Gill" href="mailto:sammy.gill@apple.com">
<link rel="help" href="https://drafts.csswg.org/css-grid-1/#algo-find-fr-size">
<meta name="assert" content="A grid whose first column is a flexible (fr) track can be sized under a max-content constraint when a grid item's max-content contribution is smaller than the flexible track's base size, without crashing.">
<style>
#grid {
display: grid;
grid-template-columns: 1fr;
width: fit-content;
}
#grid > div {
height: 50px;
background: green;
}
#grid > div > div {
height: 50px;
}
.wide { width: 100px; }
.narrow { width: 40px; }
</style>
<p>Test passes if there is a filled green square.</p>
<div id="grid">
<div><div class="wide"></div></div>
<div><div class="narrow"></div></div>
</div>
28 changes: 28 additions & 0 deletions css/css-grid/layout-algorithm/flexible-column-track-intrinsic-sizing-002-crash.html
View file
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Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
<!DOCTYPE html>
<meta charset="utf-8">
<link rel="author" title="Sammy Gill" href="mailto:sammy.gill@apple.com">
<link rel="help" href="https://drafts.csswg.org/css-grid-1/#algo-flex-tracks">
<meta name="assert" content="When a grid with multiple flexible (fr) columns is sized under a definite length, the leading track (column index 0) can be treated as inflexible while a later track stays flexible, without crashing.">
<style>
#grid {
display: grid;
grid-template-columns: 1fr 1fr;
width: 100px;
}
#grid > div {
height: 50px;
background: green;
}
#grid > div > div {
height: 50px;
}
.wide { width: 80px; }
.narrow { width: 10px; }
</style>
<p>Test passes if there is a filled green square.</p>
<div id="grid">
<div><div class="wide"></div></div>
<div><div class="narrow"></div></div>
<div></div>
<div></div>
</div>
27 changes: 27 additions & 0 deletions css/css-grid/layout-algorithm/flexible-column-track-intrinsic-sizing-003-crash.html
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
<!DOCTYPE html>
<meta charset="utf-8">
<link rel="author" title="Sammy Gill" href="mailto:sammy.gill@apple.com">
<link rel="help" href="https://drafts.csswg.org/css-grid-1/#algo-find-fr-size">
<meta name="assert" content="A grid whose first column is a flexible (fr) track can be sized under a max-content constraint when a grid item's max-content contribution is smaller than the flexible track's base size, without crashing.">
<style>
#grid {
display: grid;
grid-template-columns: 1fr;
width: fit-content;
justify-items: stretch;
}
#grid > div {
height: 50px;
background: green;
}
#grid > div > div {
height: 50px;
}
.wide { width: 100px; }
.narrow { width: 40px; }
</style>
<p>Test passes if there is a filled green square.</p>
<div id="grid">
<div><div class="wide"></div></div>
<div><div class="narrow"></div></div>
</div>
29 changes: 29 additions & 0 deletions css/css-grid/layout-algorithm/flexible-column-track-intrinsic-sizing-004-crash.html
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
<!DOCTYPE html>
<meta charset="utf-8">
<link rel="author" title="Sammy Gill" href="mailto:sammy.gill@apple.com">
<link rel="help" href="https://drafts.csswg.org/css-grid-1/#algo-flex-tracks">
<meta name="assert" content="When a grid with multiple flexible (fr) columns is sized under a definite length, the leading track (column index 0) can be treated as inflexible while a later track stays flexible, without crashing.">
<style>
#grid {
display: grid;
grid-template-columns: 1fr 1fr;
width: 100px;
justify-items: stretch;
}
#grid > div {
height: 50px;
background: green;
}
#grid > div > div {
height: 50px;
}
.wide { width: 80px; }
.narrow { width: 10px; }
</style>
<p>Test passes if there is a filled green square.</p>
<div id="grid">
<div><div class="wide"></div></div>
<div><div class="narrow"></div></div>
<div></div>
<div></div>
</div>
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