53 lines
1.8 KiB
HTML
53 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<title>Animation with neutral keyframe is responsive to change in underlying style</title>
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<link rel="help" href="https://www.w3.org/TR/web-animations-1/#the-effect-value-of-a-keyframe-animation-effect">
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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="responsive-test.js"></script>
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</head>
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<body></body>
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<script type="text/javascript">
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promise_test(async t => {
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const responsiveTest =
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createResponsiveTest(t, {
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property: 'backgroundPosition',
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to: '100px 100px'
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});
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await responsiveTest.ready;
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responsiveTest.underlyingValue = '20px 60px';
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responsiveTest.assertResponsive([
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{at: 0.25, is: '40px 70px'},
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{at: 0.75, is: '80px 90px'},
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]);
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responsiveTest.underlyingValue = '60px 20px';
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responsiveTest.assertResponsive([
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{at: 0.25, is: '70px 40px'},
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{at: 0.75, is: '90px 80px'},
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]);
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}, 'Animating from a neutral keyframe when the underlying style is ' +
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'explicitly set');
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promise_test(async t => {
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const responsiveTest =
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createResponsiveTest(t, {
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property: 'backgroundPosition',
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from: 'inherit',
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to: '100px 100px'
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});
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await responsiveTest.ready;
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responsiveTest.inheritedValue = '20px 60px';
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responsiveTest.assertResponsive([
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{at: 0.25, is: '40px 70px'},
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{at: 0.75, is: '80px 90px'},
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]);
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responsiveTest.inheritedValue = '60px 20px';
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responsiveTest.assertResponsive([
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{at: 0.25, is: '70px 40px'},
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{at: 0.75, is: '90px 80px'},
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]);
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}, 'Animating from a neutral keyframe when the underlying style is ' +
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'inherited from the parent');
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</script>
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