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Tests: Import some more composition and interpolation tests

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This commit is contained in:
Callum Law
2026-01-21 01:33:23 +13:00
committed by Sam Atkins
parent ea0c02d21a
commit 04885a2d41
Notes: github-actions[bot] 2026-02-06 11:18:58 +00:00 
Author: https://github.com/Calme1709
Commit: https://github.com/LadybirdBrowser/ladybird/commit/04885a2d412
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/7545
Reviewed-by: https://github.com/AtkinsSJ ✅
Reviewed-by: https://github.com/tcl3
6 changed files with 563 additions and 0 deletions
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Tests/LibWeb/Text/input/wpt-import/css/css-backgrounds/animations/background-position-composition.html Normal file
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<!DOCTYPE html>
<meta charset="UTF-8">
<title>background-position composition</title>
<link rel="help" href="https://drafts.csswg.org/css-backgrounds-3/#background-position">
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<script src="../../../css/support/interpolation-testcommon.js"></script>
<style>
.target {
width: 120px;
height: 120px;
display: inline-block;
background-image: url(), url();
}
</style>
<body>
<script>
test_composition({
property: 'background-position',
underlying: '40px 140px',
addFrom: '60px 160px',
addTo: '160px 260px',
}, [
{at: -0.25, expect: '75px 275px, 75px 275px'},
{at: 0, expect: '100px 300px, 100px 300px'},
{at: 0.25, expect: '125px 325px, 125px 325px'},
{at: 0.5, expect: '150px 350px, 150px 350px'},
{at: 0.75, expect: '175px 375px, 175px 375px'},
{at: 1, expect: '200px 400px, 200px 400px'},
{at: 1.25, expect: '225px 425px, 225px 425px'},
]);
test_composition({
property: 'background-position',
underlying: 'top 20% left 40%',
addFrom: 'left 60% top 80%',
addTo: 'right 80% bottom 40%',
}, [
{at: -0.25, expect: '110% 105%, 110% 105%'},
{at: 0, expect: '100% 100%, 100% 100%'},
{at: 0.25, expect: '90% 95%, 90% 95%'},
{at: 0.5, expect: '80% 90%, 80% 90%'},
{at: 0.75, expect: '70% 85%, 70% 85%'},
{at: 1, expect: '60% 80%, 60% 80%'},
{at: 1.25, expect: '50% 75%, 50% 75%'},
]);
test_composition({
property: 'background-position',
underlying: 'top 20% left 40%',
addFrom: 'left 60% top 80%, top 180% left 160%',
addTo: 'right 80% bottom 40%',
}, [
{at: -0.25, expect: '110% 105%, 235% 230%'},
{at: 0, expect: '100% 100%, 200% 200%'},
{at: 0.25, expect: '90% 95%, 165% 170%'},
{at: 0.5, expect: '80% 90%, 130% 140%'},
{at: 0.75, expect: '70% 85%, 95% 110%'},
{at: 1, expect: '60% 80%, 60% 80%'},
{at: 1.25, expect: '50% 75%, 25% 50%'},
]);
test_composition({
property: 'background-position',
underlying: '40px 140px',
replaceFrom: '100px 200px',
addTo: '160px 260px',
}, [
{at: -0.25, expect: '75px 150px, 75px 150px'},
{at: 0, expect: '100px 200px, 100px 200px'},
{at: 0.25, expect: '125px 250px, 125px 250px'},
{at: 0.5, expect: '150px 300px, 150px 300px'},
{at: 0.75, expect: '175px 350px, 175px 350px'},
{at: 1, expect: '200px 400px, 200px 400px'},
{at: 1.25, expect: '225px 450px, 225px 450px'},
]);
test_composition({
property: 'background-position',
underlying: '40px 140px',
addFrom: '60px 160px',
replaceTo: '200px 400px',
}, [
{at: -0.25, expect: '75px 275px, 75px 275px'},
{at: 0, expect: '100px 300px, 100px 300px'},
{at: 0.25, expect: '125px 325px, 125px 325px'},
{at: 0.5, expect: '150px 350px, 150px 350px'},
{at: 0.75, expect: '175px 375px, 175px 375px'},
{at: 1, expect: '200px 400px, 200px 400px'},
{at: 1.25, expect: '225px 425px, 225px 425px'},
]);
</script>
</body>