122 lines
3.1 KiB
HTML
122 lines
3.1 KiB
HTML
<!DOCTYPE html>
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<meta charset="UTF-8">
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<title>font-style interpolation</title>
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<link rel="help" href="https://drafts.csswg.org/css-fonts-3/#propdef-font-style">
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<meta name="assert" content="Font-style should be animated smoothly.">
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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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.container {
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font-style: oblique 20deg;
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}
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.container2 {
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font-style: oblique 5deg;
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}
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.target {
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display: inline-block;
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font: 100px sans-serif;
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font-style: normal;
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}
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.expected {
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color: green;
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margin-right: 30px;
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}
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</style>
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<body>
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<template id="target-template">
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<span class="container">
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<div class="target">TT</div>
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</span>
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</template>
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<span id="inv-container" class="container">
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<div id="inv-target" class="target">TT</div>
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</span>
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</body>
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<script>
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test_interpolation({
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property: 'font-style',
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from: 'normal',
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to: 'oblique 10deg'
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}, [
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{at: -2, expect: 'oblique -20deg'},
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{at: -0.25, expect: 'oblique -2.5deg'},
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{at: 0, expect: 'normal'},
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{at: 0.3, expect: 'oblique 3deg'},
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{at: 0.6, expect: 'oblique 6deg'},
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{at: 1, expect: 'oblique 10deg'},
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{at: 1.5, expect: 'oblique 15deg'},
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]);
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test_interpolation({
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property: 'font-style',
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from: 'oblique 5deg',
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to: 'oblique 15deg'
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}, [
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{ at: -2, expect: 'oblique -15deg' },
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{ at: -0.25, expect: 'oblique 2.5deg' },
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{ at: 0, expect: 'oblique 5deg' },
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{ at: 0.3, expect: 'oblique 8deg' },
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{ at: 0.6, expect: 'oblique 11deg' },
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{ at: 1, expect: 'oblique 15deg' },
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{ at: 1.5, expect: 'oblique 20deg' },
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]);
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test_interpolation({
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property: 'font-style',
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from: 'initial',
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to: 'inherit'
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}, [
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{ at: -2, expect: 'oblique -40deg' },
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{ at: -0.25, expect: 'oblique -5deg' },
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{ at: 0, expect: 'normal' },
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{ at: 0.3, expect: 'oblique 6deg' },
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{ at: 0.6, expect: 'oblique 12deg' },
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{ at: 1, expect: 'oblique 20deg' },
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{ at: 1.5, expect: 'oblique 30deg' },
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]);
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test_interpolation({
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property: 'font-style',
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from: 'oblique 20deg',
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to: 'normal'
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}, [
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{ at: -1, expect: 'oblique 40deg' },
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{ at: 0, expect: 'oblique 20deg' },
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{ at: 0.5, expect: 'oblique 10deg' },
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{ at: 1, expect: 'normal' },
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{ at: 1.5, expect: 'oblique -10deg' },
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]);
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test_interpolation({
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property: 'font-style',
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from: 'oblique -90deg',
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to: 'oblique 90deg'
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}, [
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{ at: -2, expect: 'oblique -90deg' },
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{ at: -1, expect: 'oblique -90deg' },
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{ at: 0, expect: 'oblique -90deg' },
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{ at: 0.5, expect: 'normal' },
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{ at: 1, expect: 'oblique 90deg' },
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{ at: 1.5, expect: 'oblique 90deg' },
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]);
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test(t => {
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var container = document.getElementById('inv-container');
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var target = document.getElementById('inv-target');
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var anim = target.animate({ fontStyle: ['normal', 'inherit'] }, 1000);
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anim.pause();
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anim.currentTime = 500;
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assert_equals(getComputedStyle(target).fontStyle, 'oblique 10deg');
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container.setAttribute('class', 'container2');
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assert_equals(getComputedStyle(target).fontStyle, 'oblique 2.5deg');
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}, "An interpolation to inherit updates correctly on a parent style change.");
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</script>
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