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Bug 1901378 - Line height unit rlh in calc() is sometimes interpreted as lh r=emilio

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Differential Revision: https://phabricator.services.mozilla.com/D212989
This commit is contained in:
longsonr 2024-06-09 10:41:22 +00:00
parent c8c164e3ab
commit ebaa9c434c
2 changed files with 48 additions and 1 deletions
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2
servo/components/style/values/specified/length.rs
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@ -195,7 +195,7 @@ impl FontRelativeLength {
Self::Ic(x) => Self::Ic(op(*x)), Self::Ic(x) => Self::Ic(op(*x)),
Self::Rem(x) => Self::Rem(op(*x)), Self::Rem(x) => Self::Rem(op(*x)),
Self::Lh(x) => Self::Lh(op(*x)), Self::Lh(x) => Self::Lh(op(*x)),
Self::Rlh(x) => Self::Lh(op(*x)), Self::Rlh(x) => Self::Rlh(op(*x)),
} }
} }

47
testing/web-platform/tests/css/css-values/rlh-unit-001.html Normal file
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@ -0,0 +1,47 @@
<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Values and Units Test: using rlh in calc</title>
<link rel="help" href="https://drafts.csswg.org/css-values-4/#font-relative-lengths">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<meta name="assert" content="The rlh unit resolves against the root when used in calc.">
<style>
:root {
line-height: 50px;
}
p {
line-height: normal;
}
.container {
position: relative;
width: 100px;
height: 100px;
}
.contents {
position: absolute;
top: 0;
left: 0;
}
.div1 {
background-color: green;
width: 100px;
height: 100px;
}
.div2 {
line-height: 10px;
block-size: 100px;
background-color: red;
inline-size: calc(1rlh - 1rlh);
}
</style>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div class="container">
<div class="div1 contents"></div>
<div class="div2 contents"></div>
</div>