80 lines
2.2 KiB
HTML
80 lines
2.2 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>ScrollTimeline current time algorithm - NaN cases</title>
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<link rel="help" href="https://wicg.github.io/scroll-animations/#current-time-algorithm">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<style>
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.scroller {
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height: 100px;
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width: 100px;
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overflow: auto;
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}
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.content {
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height: 500px;
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width: 500px;
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}
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</style>
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<div id='inlineScroller' class='scroller' style='display: inline;'>
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<div class='content'></div>
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</div>
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<script>
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'use strict';
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test(function() {
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const scroller = document.querySelector('#inlineScroller');
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const scrollTimeline = new ScrollTimeline(
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{ source: scroller, orientation: 'block' });
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assert_equals(scrollTimeline.currentTime, null);
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}, 'currentTime should be null for a display: inline source');
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</script>
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<div id='displayNoneScroller' class='scroller' style='display: none;'>
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<div class='content'></div>
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</div>
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<script>
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test(function() {
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const scroller = document.querySelector('#displayNoneScroller');
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const scrollTimeline = new ScrollTimeline(
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{ source: scroller, orientation: 'block' });
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assert_equals(scrollTimeline.currentTime, null);
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}, 'currentTime should be null for a display: none source');
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</script>
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<script>
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test(function() {
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const scroller = document.createElement('div');
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const content = document.createElement('div');
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scroller.style.overflow = 'auto';
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scroller.style.height = '100px';
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scroller.style.width = '100px';
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content.style.height = '250px';
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content.style.width = '250px';
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scroller.appendChild(content);
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const scrollTimeline = new ScrollTimeline(
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{ source: scroller, orientation: 'block' });
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assert_equals(scrollTimeline.currentTime, null);
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}, 'currentTime should be null for an unattached source');
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</script>
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<div id='notAScroller' class='scroller' style='overflow: visible;'>
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<div class='content'></div>
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</div>
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<script>
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test(function() {
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const scroller = document.querySelector('#notAScroller');
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const scrollTimeline = new ScrollTimeline(
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{ source: scroller, orientation: 'block' });
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assert_equals(scrollTimeline.currentTime, null);
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}, 'currentTime should be null when the source is not a scroller');
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</script>
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