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Tests: Import WPT test for CSS scale interpolation
This commit is contained in:
Andreas Kling
Andreas Kling
parent
a2cca59516
commit
4f4b43f1d2
Notes:
github-actions[bot]
2025-04-25 14:45:16 +00:00
Author: https://github.com/awesomekling
Commit: 4f4b43f1d2
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/4470
2 changed files with 608 additions and 0 deletions
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>scale interpolation</title>
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<link rel="help" href="https://drafts.csswg.org/css-transforms-2/#propdef-scale">
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<meta name="assert" content="scale supports animation.">
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<script src="../../../resources/testharness.js"></script>
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<script src="../../../resources/testharnessreport.js"></script>
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<script src="../../../css/support/interpolation-testcommon.js"></script>
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<style>
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.parent {
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scale: 0.5 1 2
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}
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.target {
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width: 10px;
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height: 10px;
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background-color: black;
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scale: 1.1 1;
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}
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.expected {
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background-color: green;
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}
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</style>
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</head>
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<body>
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<template id="target-template">
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<div class="parent">
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<div class="target"></div>
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</div>
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</template>
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<script>
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// Matching two <number> version.
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test_interpolation({
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property: 'scale',
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from: '-10 5',
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to: '10 -5',
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}, [
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{at: -1, expect: '-30 15'},
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{at: 0, expect: '-10 5'},
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{at: 0.25, expect: '-5 2.5'},
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{at: 0.75, expect: '5 -2.5'},
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{at: 1, expect: '10 -5'},
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{at: 2, expect: '30 -15'},
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]);
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// Matching three <number> version.
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test_interpolation({
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property: 'scale',
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from: '2 30 400',
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to: '10 110 1200',
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}, [
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{at: -1, expect: '-6 -50 -400'},
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{at: 0, expect: '2 30 400'},
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{at: 0.125, expect: '3 40 500'},
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{at: 0.875, expect: '9 100 1100'},
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{at: 1, expect: '10 110 1200'},
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{at: 2, expect: '18 190 2000'}
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]);
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// From three <number> to two <number>; test that it expands correctly.
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test_interpolation({
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property: 'scale',
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from: '26 17 9',
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to: '2 1',
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}, [
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{at: -1, expect: '50 33 17'},
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{at: 0, expect: '26 17 9'},
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{at: 0.125, expect: '23 15 8'},
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{at: 0.875, expect: '5 3 2'},
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{at: 1, expect: '2 1'},
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{at: 2, expect: '-22 -15 -7'}
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]);
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// Test one <number> is expanded correctly.
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test_interpolation({
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property: 'scale',
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from: '1',
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to: '10 -5 0',
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}, [
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{at: -1, expect: '-8 7 2'},
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{at: 0, expect: '1'},
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{at: 0.25, expect: '3.25 -0.5 0.75'},
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{at: 0.75, expect: '7.75 -3.5 0.25'},
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{at: 1, expect: '10 -5 0'},
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{at: 2, expect: '19 -11 -1'},
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]);
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test_interpolation({
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property: 'scale',
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from: '-10 5 1',
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to: '1',
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}, [
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{at: -1, expect: '-21 9'},
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{at: 0, expect: '-10 5'},
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{at: 0.25, expect: '-7.25 4'},
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{at: 0.75, expect: '-1.75 2'},
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{at: 1, expect: '1'},
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{at: 2, expect: '12 -3'},
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]);
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// Handling of the none value.
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test_interpolation({
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property: 'scale',
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from: 'none',
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to: 'none',
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}, [
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{at: -1, expect: 'none'},
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{at: 0, expect: 'none'},
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{at: 0.125, expect: 'none'},
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{at: 0.875, expect: 'none'},
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{at: 1, expect: 'none'},
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{at: 2, expect: 'none'}
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]);
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// Going from none to a valid value; test that it converts properly.
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test_interpolation({
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property: 'scale',
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from: 'none',
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to: '4 3 2',
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}, [
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{at: -1, expect: '-2 -1 0'},
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{at: 0, expect: '1'},
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{at: 0.125, expect: '1.375 1.25 1.125'},
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{at: 0.875, expect: '3.625 2.75 1.875'},
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{at: 1, expect: '4 3 2'},
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{at: 2, expect: '7 5 3'}
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]);
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// Test neutral keyframe; make sure it adds the underlying.
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test_interpolation({
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property: 'scale',
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from: neutralKeyframe,
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to: '1.5 1',
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}, [
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{at: -1, expect: '0.7 1'},
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{at: 0, expect: '1.1 1'},
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{at: 0.25, expect: '1.2 1'},
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{at: 0.75, expect: '1.4 1'},
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{at: 1, expect: '1.5 1'},
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{at: 2, expect: '1.9 1'},
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]);
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// Test initial value; for 'scale' this is 'none'.
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test_interpolation({
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property: 'scale',
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from: 'initial',
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to: '2 0.5 1',
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}, [
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{at: -1, expect: '0 1.5'},
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{at: 0, expect: '1'},
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{at: 0.25, expect: '1.25 0.875'},
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{at: 0.75, expect: '1.75 0.625'},
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{at: 1, expect: '2 0.5'},
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{at: 2, expect: '3 0'},
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]);
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test_interpolation({
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property: 'scale',
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from: '2 0.5 1',
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to: 'initial',
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}, [
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{at: -1, expect: '3 0'},
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{at: 0, expect: '2 0.5'},
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{at: 0.25, expect: '1.75 0.6251'},
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{at: 0.75, expect: '1.25 0.875'},
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{at: 1, expect: '1'},
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{at: 2, expect: '0 1.5'},
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]);
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// Test unset value; for 'scale' this is 'none'.
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test_interpolation({
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property: 'scale',
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from: 'unset',
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to: '1.5 1',
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}, [
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{at: -1, expect: '0.5 1'},
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{at: 0, expect: '1'},
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{at: 0.25, expect: '1.125 1'},
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{at: 0.75, expect: '1.375 1'},
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{at: 1, expect: '1.5 1'},
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{at: 2, expect: '2 1'},
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]);
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// Test inherited value.
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test_interpolation({
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property: 'scale',
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from: 'inherit',
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to: '2 0.5 1',
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}, [
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{at: -1, expect: '-1 1.5 3'},
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{at: 0, expect: '0.5 1 2'},
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{at: 0.25, expect: '0.875 0.875 1.75'},
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{at: 0.75, expect: '1.625 0.625 1.25'},
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{at: 1, expect: '2 0.5'},
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{at: 2, expect: '3.5 0 0'},
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]);
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test_interpolation({
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property: 'scale',
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from: '2 0.5 1',
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to: 'inherit',
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}, [
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{at: -1, expect: '3.5 0 0'},
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{at: 0, expect: '2 0.5'},
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{at: 0.25, expect: '1.625 0.625 1.25'},
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{at: 0.75, expect: '0.875 0.875 1.75'},
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{at: 1, expect: '0.5 1 2'},
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{at: 2, expect: '-1 1.5 3'},
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]);
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// Test combination of initial and inherit.
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test_interpolation({
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property: 'scale',
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from: 'initial',
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to: 'inherit',
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}, [
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{at: -1, expect: '1.5 1 0'},
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{at: 0, expect: '1'},
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{at: 0.25, expect: '0.875 1 1.25'},
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{at: 0.75, expect: '0.625 1 1.75'},
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{at: 1, expect: '0.5 1 2'},
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{at: 2, expect: '0 1 3'},
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]);
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test_interpolation({
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property: 'scale',
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from: 'inherit',
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to: 'initial',
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}, [
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{at: -1, expect: '0 1 3'},
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{at: 0, expect: '0.5 1 2'},
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{at: 0.25, expect: '0.625 1 1.75'},
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{at: 0.75, expect: '0.875 1 1.25'},
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{at: 1, expect: '1'},
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{at: 2, expect: '1.5 1 0'},
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]);
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</script>
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</body>
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</html>
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