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Diffstat (limited to 'testing/web-platform/tests/scroll-animations/view-timelines/block-view-timeline-current-time.tentative.html')
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1 files changed, 207 insertions, 0 deletions
diff --git a/testing/web-platform/tests/scroll-animations/view-timelines/block-view-timeline-current-time.tentative.html b/testing/web-platform/tests/scroll-animations/view-timelines/block-view-timeline-current-time.tentative.html new file mode 100644 index 0000000000..c24d04412f --- /dev/null +++ b/testing/web-platform/tests/scroll-animations/view-timelines/block-view-timeline-current-time.tentative.html @@ -0,0 +1,207 @@ +<!DOCTYPE html> +<html id="top"> +<meta charset="utf-8"> +<title>View timeline current-time</title> +<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#viewtimeline-interface"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/web-animations/testcommon.js"></script> +<script src="/scroll-animations/scroll-timelines/testcommon.js"></script> +<script src="/scroll-animations/view-timelines/testcommon.js"></script> +<style> + #container { + border: 10px solid lightgray; + overflow-y: scroll; + height: 200px; + width: 200px; + } + .spacer { + height: 800px; + } + #target { + background-color: green; + height: 200px; + width: 100px; + } +</style> +<body> + <div id="container"> + <div id="leading-space" class="spacer"></div> + <div id="target"></div> + <div id="trailing-space" class="spacer"></div> + </div> +</body> +<script type="text/javascript"> + promise_test(async t => { + container.scrollTop = 0; + await waitForNextFrame(); + + const anim = CreateViewTimelineOpacityAnimation(t, target); + const timeline = anim.timeline; + await anim.ready; + + // Initially before start-offset and animation effect is in the before + // phase. + assert_percents_equal(timeline.currentTime, -150, + "Timeline's currentTime at container start boundary"); + assert_percents_equal(anim.currentTime, -150, + "Animation's currentTime at container start boundary"); + assert_equals(getComputedStyle(target).opacity, "1", + 'Effect is inactive in the before phase'); + + // Advance to the start offset, which triggers entry to the active phase. + container.scrollTop = 600; + await waitForNextFrame(); + assert_percents_equal(timeline.currentTime, 0, + "Timeline's current time at start offset"); + assert_percents_equal(anim.currentTime, 0, + "Animation's current time at start offset"); + assert_equals(getComputedStyle(target).opacity, '0.3', + 'Effect at the start of the active phase'); + + // Advance to the midpoint of the animation. + container.scrollTop = 800; + await waitForNextFrame(); + assert_percents_equal(timeline.currentTime, 50, + "Timeline's currentTime at midpoint"); + assert_percents_equal(anim.currentTime, 50, + "Animation's currentTime at midpoint"); + assert_equals(getComputedStyle(target).opacity,'0.5', + 'Effect at the midpoint of the active range'); + + // Advance to the end of the animation. + container.scrollTop = 1000; + await waitForNextFrame(); + assert_percents_equal(timeline.currentTime, 100, + "Timeline's currentTime at end offset"); + assert_percents_equal(anim.currentTime, 100, + "Animation's currentTime at end offset"); + assert_equals(getComputedStyle(target).opacity, '1', + 'Effect is in the after phase at effect end time'); + + // Advance to the scroll limit. + container.scrollTop = 1600; + await waitForNextFrame(); + assert_percents_equal(timeline.currentTime, 250, + "Timeline's currentTime at scroll limit"); + // Hold time set when the animation finishes, which clamps the value of + // the animation's currentTime. + assert_percents_equal(anim.currentTime, 100, + "Animation's currentTime at scroll limit"); + // In the after phase, so the effect should not be applied. + assert_equals(getComputedStyle(target).opacity, '1', + 'After phase at scroll limit'); + }, 'View timeline with start and end scroll offsets that do not align with ' + + 'the scroll boundaries' ); + + promise_test(async t => { + const leading = document.getElementById('leading-space'); + leading.style = 'display: none'; + t.add_cleanup(() => { + leading.style = null; + }); + + container.scrollTop = 0; + await waitForNextFrame(); + + const anim = CreateViewTimelineOpacityAnimation(t, target); + const timeline = anim.timeline; + await anim.ready; + + assert_percents_equal(timeline.currentTime, 50, + "Timeline's currentTime at container start boundary"); + assert_percents_equal(anim.currentTime, 50, + "Animation's currentTime at container start boundary"); + assert_equals(getComputedStyle(target).opacity, "0.5", + 'Effect enters active phase at container start boundary'); + + + // Advance to midpoint + container.scrollTop = 100; + await waitForNextFrame(); + assert_percents_equal(timeline.currentTime, 75, + "Timeline's current time at midpoint"); + assert_percents_equal(anim.currentTime, 75, + "Animation's current time at midpoint"); + assert_equals(getComputedStyle(target).opacity, '0.6', + 'Effect at the middle of the active phase'); + + // Advance to end-offset + container.scrollTop = 200; + await waitForNextFrame(); + assert_percents_equal(timeline.currentTime, 100, + "Timeline's current time at end offset"); + assert_percents_equal(anim.currentTime, 100, + "Animation's current time at end offset"); + assert_equals(getComputedStyle(target).opacity, '1', + 'Effect inactive at the end offset'); + + // Advance to scroll limit. + container.scrollTop = 800; + await waitForNextFrame(); + assert_percents_equal(timeline.currentTime, 250, + "Timeline's current time at scroll limit"); + assert_percents_equal(anim.currentTime, 100, + "Animation's current time at scroll limit"); + assert_equals(getComputedStyle(target).opacity, '1', + 'Effect inactive in the after phase'); + + }, 'View timeline does not clamp starting scroll offset at 0'); + + promise_test(async t => { + const trailing = document.getElementById('trailing-space'); + trailing.style = 'display: none'; + t.add_cleanup(() => { + trailing.style = null; + }); + + container.scrollTop = 0; + await waitForNextFrame(); + + const anim = CreateViewTimelineOpacityAnimation(t, target); + const timeline = anim.timeline; + await anim.ready; + + // Initially in before phase. + assert_percents_equal(timeline.currentTime, -150, + "Timeline's currentTime at container start boundary"); + assert_percents_equal(anim.currentTime, -150, + "Animation's currentTime at container start boundary"); + assert_equals(getComputedStyle(target).opacity, "1", + 'Effect enters active phase at container start boundary'); + + // Advance to start offset. + container.scrollTop = 600; + await waitForNextFrame(); + assert_percents_equal(timeline.currentTime, 0, + "Timeline's current time at start offset"); + assert_percents_equal(anim.currentTime, 0, + "Animation's current time at start offset"); + assert_equals(getComputedStyle(target).opacity, '0.3', + 'Effect at the start of the active phase'); + + // Advance to midpoint. + container.scrollTop = 700; + await waitForNextFrame(); + assert_percents_equal(timeline.currentTime, 25, + "Timeline's current time at the midpoint"); + assert_percents_equal(anim.currentTime, 25, + "Animation's current time at the midpoint"); + assert_equals(getComputedStyle(target).opacity, '0.4', + 'Effect at the midpoint of the active phase'); + + // Advance to end offset. + container.scrollTop = 800; + await waitForNextFrame(); + assert_percents_equal(timeline.currentTime, 50, + "Timeline's currentTime at max scroll offset"); + assert_percents_equal(anim.currentTime, 50, + "Animation's currentTime at max scroll offset"); + // The active-after boundary is inclusive since at the maximum scroll + // position. + assert_equals(getComputedStyle(target).opacity, "0.5", + 'Effect at end of active phase'); + }, 'View timeline does not clamp end scroll offset at max scroll'); + +</script> +</html> |