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<!DOCTYPE html>
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1">
<link rel="help" src="https://drafts.csswg.org/scroll-animations-1/#scroll-timeline-axis">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/web-animations/testcommon.js"></script>
<style>
.scroller {
overflow: hidden;
width: 100px;
height: 100px;
}
.contents {
height: 200px;
width: 200px;
}
@keyframes expand {
from { width: 100px; }
to { width: 200px; }
}
#timeline_initial_axis {
scroll-timeline: timeline_initial_axis;
}
#timeline_vertical {
scroll-timeline: vertical timeline_vertical;
}
#timeline_horizontal {
scroll-timeline: horizontal timeline_horizontal;
}
#timeline_block_in_horizontal {
scroll-timeline: block timeline_block_in_horizontal;
}
#timeline_inline_in_horizontal {
scroll-timeline: inline timeline_inline_in_horizontal;
}
#timeline_block_in_vertical {
scroll-timeline: block timeline_block_in_vertical;
writing-mode: vertical-lr;
}
#timeline_inline_in_vertical {
scroll-timeline: inline timeline_inline_in_vertical;
writing-mode: vertical-lr;
}
#container > div {
width: 0px;
animation-name: expand;
animation-duration: 10s;
animation-timing-function: linear;
}
/* Ensure stable expectations if feature is not supported */
@supports not (animation-timeline:foo) {
#container > div { animation-play-state: paused; }
}
#element_initial_axis { animation-timeline: timeline_initial_axis; }
#element_vertical { animation-timeline: timeline_vertical; }
#element_horizontal { animation-timeline: timeline_horizontal; }
#element_block_in_horizontal { animation-timeline: timeline_block_in_horizontal; }
#element_inline_in_horizontal { animation-timeline: timeline_inline_in_horizontal; }
#element_block_in_vertical { animation-timeline: timeline_block_in_vertical; }
#element_inline_in_vertical { animation-timeline: timeline_inline_in_vertical; }
</style>
<div class=scroller id=timeline_initial_axis><div class=contents></div></div>
<div class=scroller id=timeline_vertical><div class=contents></div></div>
<div class=scroller id=timeline_horizontal><div class=contents></div></div>
<div class=scroller id=timeline_block_in_horizontal><div class=contents></div></div>
<div class=scroller id=timeline_inline_in_horizontal><div class=contents></div></div>
<div class=scroller id=timeline_block_in_vertical><div class=contents></div></div>
<div class=scroller id=timeline_inline_in_vertical><div class=contents></div></div>
<div id=container>
<div id=element_initial_axis></div>
<div id=element_vertical></div>
<div id=element_horizontal></div>
<div id=element_block_in_horizontal></div>
<div id=element_inline_in_horizontal></div>
<div id=element_block_in_vertical></div>
<div id=element_inline_in_vertical></div>
</div>
<script>
// Animations linked to vertical scroll-timelines are at 75% progress.
timeline_initial_axis.scrollTop = 75;
timeline_vertical.scrollTop = 75;
timeline_block_in_horizontal.scrollTop = 75;
timeline_inline_in_vertical.scrollTop = 75;
// Animations linked to horizontal scroll-timelines are at 25% progress.
timeline_horizontal.scrollLeft = 25;
timeline_block_in_vertical.scrollLeft = 25;
timeline_inline_in_horizontal.scrollLeft = 25;
promise_test(async (t) => {
await waitForNextFrame();
assert_equals(getComputedStyle(element_initial_axis).width, '175px');
}, 'Initial axis');
promise_test(async (t) => {
await waitForNextFrame();
assert_equals(getComputedStyle(element_vertical).width, '175px');
}, 'Vertical axis');
promise_test(async (t) => {
await waitForNextFrame();
assert_equals(getComputedStyle(element_horizontal).width, '125px');
}, 'Horizontal axis');
promise_test(async (t) => {
await waitForNextFrame();
assert_equals(getComputedStyle(element_block_in_horizontal).width, '175px');
}, 'Block axis in horizontal writing-mode');
promise_test(async (t) => {
await waitForNextFrame();
assert_equals(getComputedStyle(element_inline_in_horizontal).width, '125px');
}, 'Inline axis in horizontal writing-mode');
promise_test(async (t) => {
await waitForNextFrame();
assert_equals(getComputedStyle(timeline_block_in_vertical).writingMode, 'vertical-lr');
assert_equals(getComputedStyle(element_block_in_vertical).width, '125px');
}, 'Block axis in vertical writing-mode');
promise_test(async (t) => {
await waitForNextFrame();
assert_equals(getComputedStyle(timeline_inline_in_vertical).writingMode, 'vertical-lr');
assert_equals(getComputedStyle(element_inline_in_vertical).width, '175px');
}, 'Inline axis in vertical writing-mode');
</script>
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