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LibWeb: Return resolved value of normal if letter-spacing value is 0

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This commit is contained in:
Tim Ledbetter
2025-09-09 10:21:37 +01:00
committed by Sam Atkins
parent 831088939a
commit 112a45bdf2
Notes: github-actions[bot] 2025-09-10 15:14:57 +00:00 
Author: https://github.com/tcl3
Commit: https://github.com/LadybirdBrowser/ladybird/commit/112a45bdf20
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/6137
Reviewed-by: https://github.com/AtkinsSJ ✅
Reviewed-by: https://github.com/Calme1709
Reviewed-by: https://github.com/gmta ✅
3 changed files with 54 additions and 0 deletions
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33
Tests/LibWeb/Text/input/wpt-import/css/css-text/parsing/letter-spacing-computed.html Normal file
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Text: getComputedStyle().letterSpacing</title>
<link rel="help" href="https://www.w3.org/TR/css-text-3/#propdef-letter-spacing">
<meta name="assert" content="letter-spacing computed value is an absolute length and/or percentage.">
<meta name="assert" content="'normal' computes to zero, but the resolved value of 0px is 'normal', so that's the value that is observed.">
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<script src="../../../css/support/computed-testcommon.js"></script>
<style>
#target {
font-size: 40px;
}
</style>
</head>
<body>
<div id="target"></div>
<script>
test_computed_value("letter-spacing", "normal");
test_computed_value("letter-spacing", "0px", "normal");
test_computed_value("letter-spacing", "10px");
test_computed_value("letter-spacing", "-20px");
test_computed_value("letter-spacing", "calc(10px - 0.5em)", "-10px");
test_computed_value("letter-spacing", "110%");
test_computed_value("letter-spacing", "-5%");
test_computed_value("letter-spacing", "calc(10% - 20%)", "-10%");
test_computed_value("letter-spacing", "calc(10px - (5% + 10%)", "calc(-15% + 10px)");
</script>
</body>
</html>