| Index: third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/animation-effect-timing/easing.html
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| diff --git a/third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/animation-effect-timing/easing.html b/third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/animation-effect-timing/easing.html
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| new file mode 100644
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| index 0000000000000000000000000000000000000000..51c21dde4a12aad0995f07eb2dda933a7d33ea58
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| --- /dev/null
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| +++ b/third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/animation-effect-timing/easing.html
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| @@ -0,0 +1,84 @@
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| +<!DOCTYPE html>
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| +<meta charset=utf-8>
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| +<title>easing tests</title>
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| +<link rel="help" href="https://w3c.github.io/web-animations/#dom-animationeffecttiming-easing">
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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="../testcommon.js"></script>
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| +<script src="../resources/effect-easing-tests.js"></script>
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| +<body>
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| +<div id="log"></div>
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| +<script>
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| +'use strict';
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| +
|
| +function assert_progress(animation, currentTime, easingFunction) {
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| + animation.currentTime = currentTime;
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| + var portion = currentTime / animation.effect.timing.duration;
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| + assert_approx_equals(animation.effect.getComputedTiming().progress,
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| + easingFunction(portion),
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| + 0.01,
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| + 'The progress of the animation should be approximately ' +
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| + easingFunction(portion) + ' at ' + currentTime + 'ms');
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| +}
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| +
|
| +gEffectEasingTests.forEach(function(options) {
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| + test(function(t) {
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| + var target = createDiv(t);
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| + var anim = target.animate([ { opacity: 0 }, { opacity: 1 } ],
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| + { duration: 1000 * MS_PER_SEC,
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| + fill: 'forwards' });
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| + anim.effect.timing.easing = options.easing;
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| + assert_equals(anim.effect.timing.easing, options.easing);
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| +
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| + var easing = options.easingFunction;
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| + assert_progress(anim, 0, easing);
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| + assert_progress(anim, 250 * MS_PER_SEC, easing);
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| + assert_progress(anim, 500 * MS_PER_SEC, easing);
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| + assert_progress(anim, 750 * MS_PER_SEC, easing);
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| + assert_progress(anim, 1000 * MS_PER_SEC, easing);
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| + }, options.desc);
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| +});
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| +
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| +test(function(t) {
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| + var div = createDiv(t);
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| + var anim = div.animate({ opacity: [ 0, 1 ] }, 100 * MS_PER_SEC);
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| + assert_throws({ name: 'TypeError' },
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| + function() {
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| + anim.effect.timing.easing = '';
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| + });
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| + assert_throws({ name: 'TypeError' },
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| + function() {
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| + anim.effect.timing.easing = 'test';
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| + });
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| +}, 'Test invalid easing value');
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| +
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| +test(function(t) {
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| + var delay = 1000 * MS_PER_SEC;
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| +
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| + var target = createDiv(t);
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| + var anim = target.animate([ { opacity: 0 }, { opacity: 1 } ],
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| + { duration: 1000 * MS_PER_SEC,
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| + fill: 'both',
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| + delay: delay,
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| + easing: 'steps(2, start)' });
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| +
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| + anim.effect.timing.easing = 'steps(2, end)';
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| + assert_equals(anim.effect.getComputedTiming().progress, 0,
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| + 'easing replace to steps(2, end) at before phase');
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| +
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| + anim.currentTime = delay + 750 * MS_PER_SEC;
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| + assert_equals(anim.effect.getComputedTiming().progress, 0.5,
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| + 'change currentTime to active phase');
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| +
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| + anim.effect.timing.easing = 'steps(2, start)';
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| + assert_equals(anim.effect.getComputedTiming().progress, 1,
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| + 'easing replace to steps(2, start) at active phase');
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| +
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| + anim.currentTime = delay + 1500 * MS_PER_SEC;
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| + anim.effect.timing.easing = 'steps(2, end)';
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| + assert_equals(anim.effect.getComputedTiming().progress, 1,
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| + 'easing replace to steps(2, end) again at after phase');
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| +}, 'Change the easing while the animation is running');
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| +
|
| +</script>
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| +</body>
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|
|