42 lines
2.1 KiB
HTML
42 lines
2.1 KiB
HTML
<!DOCTYPE html>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="help" href="https://drafts.csswg.org/css-values-5/#media-progress-func">
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<link rel="author" title="sakhapov@chromium.org">
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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="../support/numeric-testcommon.js"></script>
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<div id="target"></div>
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<style>
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#target {
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font-size: 10px;
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}
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:root {
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width: 100vw;
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height: 100vh;
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}
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</style>
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<script>
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// innerWidth and innerHeight have lossy precision, see
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// https://github.com/w3c/csswg-drafts/issues/5260.
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let { width, height } = document.documentElement.getBoundingClientRect();
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// Identity tests
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// NOTE(emilio): We provide custom messages so that the test name doesn't
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// depend on the viewport size (since in testharness.js files the viewport size is
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// not guaranteed to be fixed, unlike in reftests).
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test_math_used('media-progress(height, 0px, 1px)', height, { type:'number', 'msg': 'media-progress() identity check' });
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// Nestings
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test_math_used('media-progress(height, media-progress(height, 0px, 1px) * 1px, media-progress(height, 0px, 1px) * 1px)', '0', {type:'number'});
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test_math_used('media-progress(height, media-progress(height, 0px, 1px) * 0.5px, media-progress(height, 0px, 1px) * 1px)', '1', {type:'number'});
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// General calculations.
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test_math_used('calc(media-progress(width, 0px, 50px) * 10px + 100px)', (width / 50 * 10 + 100) + 'px', { msg: 'media-progress() with length product' });
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test_math_used('calc(media-progress(height, 10px, sign(50px - 500em) * 10px))', (height - 10) / (-10 - 10), { type:'number', msg: 'media-progress with complex, calculation' });
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// Type checking
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test_math_used('calc(media-progress(width, 0px, 1px) * 1px)', width + 'px', { msg: 'media-progress() as length' });
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test_math_used('calc(media-progress(height, 0px, 1px) * 1s)', height + 's', { type:'time', msg: 'media-progress() as time' });
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test_math_used('calc(media-progress(width, 0px, 1px) * 1deg)', width + 'deg', { type:'angle', approx:0.001, msg: 'media-progress() as angle' });
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</script>
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