170 lines
6.8 KiB
HTML
170 lines
6.8 KiB
HTML
<!DOCTYPE html>
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<meta charset=utf-8>
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<title>Test basic functionality of scroll linked animation.</title>
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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="/web-animations/testcommon.js"></script>
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<script src="testcommon.js"></script>
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<style>
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.scroller {
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overflow: auto;
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height: 100px;
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width: 100px;
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will-change: transform;
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}
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.contents {
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height: 1000px;
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width: 100%;
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}
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</style>
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<div id="log"></div>
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<script>
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'use strict';
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promise_test(async t => {
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const animation = createScrollLinkedAnimation(t);
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const scroller = animation.timeline.source;
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// Ensure we have a valid animation frame time before continuing the test.
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// This is so that we can properly determine frame advancement after the
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// style change.
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await waitForNextFrame();
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// Make the scroll timeline inactive.
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scroller.style.overflow = 'visible';
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// Wait for new animation frame which allows the timeline to compute new
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// current time.
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await waitForNextFrame();
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assert_equals(animation.timeline.currentTime, null,
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'Sanity check the timeline is inactive.');
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// Play the animation when the timeline is inactive.
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animation.play();
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assert_equals(animation.currentTime, null,
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'The current time is null when the timeline is inactive.');
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assert_equals(animation.startTime, null,
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'The start time is unresolved while play-pending.');
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await waitForNextFrame();
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assert_true(animation.pending,
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'Animation has play pending task while timeline is inactive.');
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assert_equals(animation.playState, 'running',
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`State is 'running' in Pending state.`);
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}, `Play pending task doesn't run when the timeline is inactive.`);
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promise_test(async t => {
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const animation = createScrollLinkedAnimation(t);
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const scroller = animation.timeline.source;
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await waitForNextFrame();
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// Make the scroll timeline inactive.
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scroller.style.overflow = 'visible';
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// Wait for new animation frame which allows the timeline to compute new
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// current time.
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await waitForNextFrame();
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assert_equals(animation.timeline.currentTime, null,
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'Sanity check the timeline is inactive.');
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// Play the animation when the timeline is inactive.
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animation.play();
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// Make the scroll timeline active.
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scroller.style.overflow = 'auto';
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await animation.ready;
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// Ready promise is resolved as a result of the timeline becoming active.
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assert_percents_equal(animation.currentTime, 0,
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'Animation current time is resolved when the animation is ready.');
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assert_percents_equal(animation.startTime, 0,
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'Animation start time is resolved when the animation is ready.');
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}, 'Animation start and current times are correct if scroll timeline is ' +
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'activated after animation.play call.');
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promise_test(async t => {
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const animation = createScrollLinkedAnimation(t);
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const scroller = animation.timeline.source;
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const target = animation.effect.target;
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await waitForNextFrame();
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// Make the scroll timeline inactive.
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scroller.style.overflow = 'visible';
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scroller.scrollTop;
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// Wait for new animation frame which allows the timeline to compute new
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// current time.
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await waitForNextFrame();
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assert_equals(animation.timeline.currentTime, null,
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'Sanity check the timeline is inactive.');
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// Set start time when the timeline is inactive.
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animation.startTime = CSSNumericValue.parse("0%");
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assert_equals(animation.currentTime, null,
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'Sanity check current time is unresolved when the timeline ' +
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'is inactive.');
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// Make the scroll timeline active.
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scroller.style.overflow = 'auto';
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// Wait for new animation frame which allows the timeline to compute new
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// current time.
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await waitForNextFrame();
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assert_percents_equal(animation.currentTime, 0,
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'Animation current time is resolved when the timeline is active.');
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assert_percents_equal(animation.startTime, 0,
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'Animation start time is resolved.');
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assert_percents_equal(animation.effect.getComputedTiming().localTime, 0,
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'Effect local time is resolved when the timeline is active.');
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assert_equals(Number(getComputedStyle(target).opacity), 0,
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'Animation has an effect when the timeline is active.');
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}, 'Animation start and current times are correct if scroll timeline is ' +
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'activated after setting start time.');
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promise_test(async t => {
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const animation = createScrollLinkedAnimation(t);
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const scroller = animation.timeline.source;
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const maxScroll = scroller.scrollHeight - scroller.clientHeight;
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const target = animation.effect.target;
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await waitForNextFrame();
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// Advance the scroller.
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scroller.scrollTop = 0.2 * maxScroll;
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// Wait for new animation frame which allows the timeline to compute new
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// current time.
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await waitForNextFrame();
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// Play the animation when the timeline is active.
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animation.play();
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await animation.ready;
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// Make the scroll timeline inactive.
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scroller.style.overflow = 'visible';
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scroller.scrollTop;
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await waitForNextFrame();
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assert_equals(animation.timeline.currentTime, null,
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'Sanity check the timeline is inactive.');
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assert_equals(animation.playState, 'running',
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`State is 'running' when the timeline is inactive.`);
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assert_equals(animation.currentTime, null,
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'Current time is unresolved when the timeline is inactive.');
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assert_percents_equal(animation.startTime, 0,
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'Start time is zero when the timeline is inactive.');
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assert_equals(animation.effect.getComputedTiming().localTime, null,
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'Effect local time is null when the timeline is inactive.');
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assert_equals(Number(getComputedStyle(target).opacity), 1,
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'Animation does not have an effect when the timeline is inactive.');
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// Make the scroll timeline active.
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scroller.style.overflow = 'auto';
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await waitForNextFrame();
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assert_equals(animation.playState, 'running',
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`State is 'running' when the timeline is active.`);
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assert_percents_equal(animation.currentTime, 20,
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'Current time is resolved when the timeline is active.');
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assert_percents_equal(animation.startTime, 0,
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'Start time is zero when the timeline is active.');
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assert_percents_equal(animation.effect.getComputedTiming().localTime, 20,
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'Effect local time is resolved when the timeline is active.');
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assert_equals(Number(getComputedStyle(target).opacity), 0.2,
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'Animation has an effect when the timeline is active.');
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}, 'Animation current time is correct when the timeline becomes newly ' +
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'inactive and then active again.');
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</script>
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