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Update web-platform-tests to revision 7ed49cff4d031720f829c01df837ed7a09ad5c60
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<!DOCTYPE html>
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<meta charset=utf-8>
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<title>Effect-level easing tests</title>
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<link rel="help" href="http://w3c.github.io/web-animations/#calculating-the-transformed-time">
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<link rel="author" title="Hiroyuki Ikezoe" href="mailto:hiikezoe@mozilla-japan.org">
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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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<link rel="stylesheet" href="/resources/testharness.css">
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<body>
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<div id="log"></div>
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<div id="target"></div>
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<script>
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"use strict";
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function assert_style_left_at(animation, time, easingFunction) {
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animation.currentTime = time;
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var portion = time / animation.effect.timing.duration;
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assert_approx_equals(pxToNum(getComputedStyle(animation.effect.target).left),
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easingFunction(portion) * 100,
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0.01,
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'The left of the animation should be approximately ' +
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easingFunction(portion) * 100 + ' at ' + time + 'ms');
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}
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var gEffectEasingTests = [
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{
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desc: 'steps(start) function',
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easing: 'steps(2, start)',
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easingFunction: stepStart(2)
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},
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{
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desc: 'steps(end) function',
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easing: 'steps(2, end)',
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easingFunction: stepEnd(2)
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},
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{
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desc: 'linear function',
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easing: 'linear', // cubic-bezier(0, 0, 1.0, 1.0)
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easingFunction: cubicBezier(0, 0, 1.0, 1.0)
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},
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{
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desc: 'ease function',
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easing: 'ease', // cubic-bezier(0.25, 0.1, 0.25, 1.0)
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easingFunction: cubicBezier(0.25, 0.1, 0.25, 1.0)
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},
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{
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desc: 'ease-in function',
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easing: 'ease-in', // cubic-bezier(0.42, 0, 1.0, 1.0)
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easingFunction: cubicBezier(0.42, 0, 1.0, 1.0)
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},
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{
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desc: 'ease-in-out function',
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easing: 'ease-in-out', // cubic-bezier(0.42, 0, 0.58, 1.0)
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easingFunction: cubicBezier(0.42, 0, 0.58, 1.0)
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},
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{
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desc: 'ease-out function',
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easing: 'ease-out', // cubic-bezier(0, 0, 0.58, 1.0)
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easingFunction: cubicBezier(0, 0, 0.58, 1.0)
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},
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{
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desc: 'easing function which produces values greater than 1',
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easing: 'cubic-bezier(0, 1.5, 1, 1.5)',
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easingFunction: cubicBezier(0, 1.5, 1, 1.5)
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},
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{
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desc: 'easing function which produces negative values',
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easing: 'cubic-bezier(0, -0.5 ,1, -0.5)',
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easingFunction: cubicBezier(0, -0.5, 1, -0.5)
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},
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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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target.style.position = 'absolute';
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var anim = target.animate([ { left: '0px' }, { left: '100px' } ],
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{ duration: 1000,
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fill: 'forwards',
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easing: options.easing });
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var easing = options.easingFunction;
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anim.pause();
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assert_style_left_at(anim, 0, easing);
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assert_style_left_at(anim, 250, easing);
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assert_style_left_at(anim, 500, easing);
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assert_style_left_at(anim, 750, easing);
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assert_style_left_at(anim, 1000, easing);
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}, options.desc);
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});
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var gEffectEasingTestsWithKeyframeEasing = [
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{
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desc: 'effect easing produces values greater than 1 with keyframe ' +
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'easing cubic-bezier(0, 0, 0, 0)',
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easing: 'cubic-bezier(0, 1.5, 1, 1.5)',
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keyframeEasing: 'cubic-bezier(0, 0, 0, 0)', // linear
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easingFunction: cubicBezier(0, 1.5, 1, 1.5)
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},
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{
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desc: 'effect easing produces values greater than 1 with keyframe ' +
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'easing cubic-bezier(1, 1, 1, 1)',
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easing: 'cubic-bezier(0, 1.5, 1, 1.5)',
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keyframeEasing: 'cubic-bezier(1, 1, 1, 1)', // linear
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easingFunction: cubicBezier(0, 1.5, 1, 1.5)
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},
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{
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desc: 'effect easing produces negative values 1 with keyframe ' +
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'easing cubic-bezier(0, 0, 0, 0)',
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easing: 'cubic-bezier(0, -0.5, 1, -0.5)',
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keyframeEasing: 'cubic-bezier(0, 0, 0, 0)', // linear
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easingFunction: cubicBezier(0, -0.5, 1, -0.5)
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},
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{
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desc: 'effect easing produces negative values 1 with keyframe ' +
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'easing cubic-bezier(1, 1, 1, 1)',
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easing: 'cubic-bezier(0, -0.5, 1, -0.5)',
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keyframeEasing: 'cubic-bezier(1, 1, 1, 1)', // linear
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easingFunction: cubicBezier(0, -0.5, 1, -0.5)
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},
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];
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gEffectEasingTestsWithKeyframeEasing.forEach(function(options) {
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test(function(t) {
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var target = createDiv(t);
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target.style.position = 'absolute';
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var anim = target.animate(
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[ { left: '0px', easing: options.keyframeEasing },
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{ left: '100px' } ],
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{ duration: 1000,
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fill: 'forwards',
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easing: options.easing });
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var easing = options.easingFunction;
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anim.pause();
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assert_style_left_at(anim, 0, easing);
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assert_style_left_at(anim, 250, easing);
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assert_style_left_at(anim, 500, easing);
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assert_style_left_at(anim, 750, easing);
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assert_style_left_at(anim, 1000, easing);
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}, options.desc);
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});
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// Other test cases that effect easing produces values outside of [0,1].
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test(function(t) {
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var target = createDiv(t);
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target.style.position = 'absolute';
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var anim = target.animate([ { left: '0px', easing: 'step-start' },
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{ left: '100px' } ],
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{ duration: 1000,
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fill: 'forwards',
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easing: 'cubic-bezier(0, 1.5, 1, 1.5)' });
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anim.pause();
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// The bezier function produces values greater than 1 in (0.23368794, 1)
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anim.currentTime = 0;
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assert_equals(getComputedStyle(target).left, '100px');
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anim.currentTime = 230;
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assert_equals(getComputedStyle(target).left, '100px');
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anim.currentTime = 250;
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assert_equals(getComputedStyle(target).left, '100px');
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anim.currentTime = 1000;
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assert_equals(getComputedStyle(target).left, '100px');
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}, 'effect easing produces values greater than 1 with step-start keyframe');
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test(function(t) {
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var target = createDiv(t);
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target.style.position = 'absolute';
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var anim = target.animate([ { left: '0px', easing: 'step-end' },
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{ left: '100px' } ],
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{ duration: 1000,
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fill: 'forwards',
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easing: 'cubic-bezier(0, 1.5, 1, 1.5)' });
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anim.pause();
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// The bezier function produces values greater than 1 in (0.23368794, 1)
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anim.currentTime = 0;
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assert_equals(getComputedStyle(target).left, '0px');
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anim.currentTime = 230;
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assert_equals(getComputedStyle(target).left, '0px');
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anim.currentTime = 250;
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assert_equals(getComputedStyle(target).left, '100px');
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anim.currentTime = 1000;
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assert_equals(getComputedStyle(target).left, '100px');
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}, 'effect easing produces values greater than 1 with step-end keyframe');
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test(function(t) {
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var target = createDiv(t);
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target.style.position = 'absolute';
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var anim = target.animate([ { left: '0px', easing: 'step-start' },
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{ left: '100px' } ],
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{ duration: 1000,
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fill: 'forwards',
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easing: 'cubic-bezier(0, -0.5, 1, -0.5)' });
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anim.pause();
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// The bezier function produces negative values in (0, 0.766312060)
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anim.currentTime = 0;
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assert_equals(getComputedStyle(target).left, '100px');
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anim.currentTime = 750;
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assert_equals(getComputedStyle(target).left, '0px');
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anim.currentTime = 800;
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assert_equals(getComputedStyle(target).left, '100px');
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anim.currentTime = 1000;
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assert_equals(getComputedStyle(target).left, '100px');
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}, 'effect easing produces negative values with step-start keyframe');
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test(function(t) {
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var target = createDiv(t);
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target.style.position = 'absolute';
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var anim = target.animate([ { left: '0px', easing: 'step-end' },
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{ left: '100px' } ],
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{ duration: 1000,
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fill: 'forwards',
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easing: 'cubic-bezier(0, -0.5, 1, -0.5)' });
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anim.pause();
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// The bezier function produces negative values in (0, 0.766312060)
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anim.currentTime = 0;
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assert_equals(getComputedStyle(target).left, '0px');
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anim.currentTime = 750;
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assert_equals(getComputedStyle(target).left, '0px');
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anim.currentTime = 800;
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assert_equals(getComputedStyle(target).left, '0px');
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anim.currentTime = 1000;
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assert_equals(getComputedStyle(target).left, '100px');
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}, 'effect easing produces negative values with step-end keyframe');
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test(function(t) {
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var target = createDiv(t);
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target.style.position = 'absolute';
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var anim = target.animate(
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// http://cubic-bezier.com/#.5,1,.5,0
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[ { left: '0px', easing: 'cubic-bezier(0.5, 1, 0.5, 0)' },
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{ left: '100px' } ],
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{ duration: 1000,
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fill: 'forwards',
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easing: 'cubic-bezier(0, 1.5, 1, 1.5)' });
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var keyframeEasing = function(x) {
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assert_greater_than_equal(x, 0.0,
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'This function should be called in [0, 1.0] range');
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assert_less_than_equal(x, 1.0,
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'This function should be called in [0, 1.0] range');
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return cubicBezier(0.5, 1, 0.5, 0)(x);
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}
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var keyframeEasingExtrapolated = function(x) {
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assert_greater_than(x, 1.0,
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'This function should be called in (1.0, infinity) range');
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// p3x + (p2y - p3y) / (p2x - p3x) * (x - p3x)
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return 1.0 + (0 - 1) / (0.5 - 1) * (x - 1.0);
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}
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var effectEasing = function(x) {
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return cubicBezier(0, 1.5, 1, 1.5)(x);
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}
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anim.pause();
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// The effect-easing produces values greater than 1 in (0.23368794, 1)
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assert_style_left_at(anim, 0, function(x) {
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return keyframeEasing(effectEasing(x));
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});
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assert_style_left_at(anim, 230, function(x) {
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return keyframeEasing(effectEasing(x));
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});
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assert_style_left_at(anim, 240, function(x) {
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return keyframeEasingExtrapolated(effectEasing(x));
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});
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// Near the extreme point of the effect-easing function
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assert_style_left_at(anim, 700, function(x) {
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return keyframeEasingExtrapolated(effectEasing(x));
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});
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assert_style_left_at(anim, 990, function(x) {
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return keyframeEasingExtrapolated(effectEasing(x));
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});
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assert_style_left_at(anim, 1000, function(x) {
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return keyframeEasing(effectEasing(x));
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});
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}, 'effect easing produces values greater than 1 with keyframe easing ' +
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'producing values greater than 1');
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test(function(t) {
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var target = createDiv(t);
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target.style.position = 'absolute';
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var anim = target.animate(
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// http://cubic-bezier.com/#0,1.5,1,1.5
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[ { left: '0px', easing: 'cubic-bezier(0, 1.5, 1, 1.5)' },
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{ left: '100px' } ],
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{ duration: 1000,
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fill: 'forwards',
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easing: 'cubic-bezier(0, 1.5, 1, 1.5)' });
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var easing = function(x) {
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assert_greater_than_equal(x, 0.0,
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'This function should be called in [0, 1.0] range');
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assert_less_than_equal(x, 1.0,
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'This function should be called in [0, 1.0] range');
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return cubicBezier(0, 1.5, 1, 1.5)(x);
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}
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var easingExtrapolated = function(x) {
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assert_greater_than(x, 1.0,
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'This function should be called in negative range');
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// For cubic-bezier(0, 1.5, 1, 1.5), the tangent at the
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// endpoint (x = 1.0) is infinity so we should just return 1.0.
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return 1.0;
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}
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anim.pause();
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// The effect-easing produces values greater than 1 in (0.23368794, 1)
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assert_style_left_at(anim, 0, function(x) {
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return easing(easing(x))
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});
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assert_style_left_at(anim, 230, function(x) {
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return easing(easing(x))
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});
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assert_style_left_at(anim, 240, function(x) {
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return easingExtrapolated(easing(x));
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});
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// Near the extreme point of the effect-easing function
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assert_style_left_at(anim, 700, function(x) {
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return easingExtrapolated(easing(x));
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});
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assert_style_left_at(anim, 990, function(x) {
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return easingExtrapolated(easing(x));
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});
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assert_style_left_at(anim, 1000, function(x) {
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return easing(easing(x))
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});
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}, 'effect easing which produces values greater than 1 and the tangent on ' +
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'the upper boundary is infinity with keyframe easing producing values ' +
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'greater than 1');
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test(function(t) {
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var target = createDiv(t);
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target.style.position = 'absolute';
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var anim = target.animate(
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// http://cubic-bezier.com/#.5,1,.5,0
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[ { left: '0px', easing: 'cubic-bezier(0.5, 1, 0.5, 0)' },
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{ left: '100px' } ],
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{ duration: 1000,
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fill: 'forwards',
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easing: 'cubic-bezier(0, -0.5, 1, -0.5)' });
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var keyframeEasing = function(x) {
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assert_greater_than_equal(x, 0.0,
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'This function should be called in [0, 1.0] range');
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assert_less_than_equal(x, 1.0,
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'This function should be called in [0, 1.0] range');
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return cubicBezier(0.5, 1, 0.5, 0)(x);
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}
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var keyframeEasingExtrapolated = function(x) {
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assert_less_than(x, 0.0,
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'This function should be called in negative range');
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// p0x + (p1y - p0y) / (p1x - p0x) * (x - p0x)
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return (1 / 0.5) * x;
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}
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var effectEasing = function(x) {
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return cubicBezier(0, -0.5, 1, -0.5)(x);
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}
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anim.pause();
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// The effect-easing produces negative values in (0, 0.766312060)
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assert_style_left_at(anim, 0, function(x) {
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return keyframeEasing(effectEasing(x));
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});
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assert_style_left_at(anim, 10, function(x) {
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return keyframeEasingExtrapolated(effectEasing(x));
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});
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// Near the extreme point of the effect-easing function
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assert_style_left_at(anim, 300, function(x) {
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return keyframeEasingExtrapolated(effectEasing(x));
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});
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assert_style_left_at(anim, 750, function(x) {
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return keyframeEasingExtrapolated(effectEasing(x));
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});
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assert_style_left_at(anim, 770, function(x) {
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return keyframeEasing(effectEasing(x));
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});
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assert_style_left_at(anim, 1000, function(x) {
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return keyframeEasing(effectEasing(x));
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});
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}, 'effect easing produces negative values with keyframe easing ' +
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'producing negative values');
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test(function(t) {
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var target = createDiv(t);
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target.style.position = 'absolute';
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var anim = target.animate(
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// http://cubic-bezier.com/#0,-0.5,1,-0.5
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[ { left: '0px', easing: 'cubic-bezier(0, -0.5, 1, -0.5)' },
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{ left: '100px' } ],
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{ duration: 1000,
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fill: 'forwards',
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easing: 'cubic-bezier(0, -0.5, 1, -0.5)' });
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var easing = function(x) {
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assert_greater_than_equal(x, 0.0,
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'This function should be called in [0, 1.0] range');
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assert_less_than_equal(x, 1.0,
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'This function should be called in [0, 1.0] range');
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return cubicBezier(0, -0.5, 1, -0.5)(x);
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}
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var easingExtrapolated = function(x) {
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assert_less_than(x, 0.0,
|
||||
'This function should be called in negative range');
|
||||
// For cubic-bezier(0, -0.5, 1, -0.5), the tangent at the
|
||||
// endpoint (x = 0.0) is infinity so we should just return 0.0.
|
||||
return 0.0;
|
||||
}
|
||||
|
||||
anim.pause();
|
||||
|
||||
// The effect-easing produces negative values in (0, 0.766312060)
|
||||
assert_style_left_at(anim, 0, function(x) {
|
||||
return easing(easing(x))
|
||||
});
|
||||
assert_style_left_at(anim, 10, function(x) {
|
||||
return easingExtrapolated(easing(x));
|
||||
});
|
||||
// Near the extreme point of the effect-easing function
|
||||
assert_style_left_at(anim, 300, function(x) {
|
||||
return easingExtrapolated(easing(x));
|
||||
});
|
||||
assert_style_left_at(anim, 750, function(x) {
|
||||
return easingExtrapolated(easing(x));
|
||||
});
|
||||
assert_style_left_at(anim, 770, function(x) {
|
||||
return easing(easing(x))
|
||||
});
|
||||
assert_style_left_at(anim, 1000, function(x) {
|
||||
return easing(easing(x))
|
||||
});
|
||||
}, 'effect easing which produces negative values and the tangent on ' +
|
||||
'the lower boundary is infinity with keyframe easing producing ' +
|
||||
'negative values');
|
||||
|
||||
</script>
|
||||
</body>
|
Loading…
Add table
Add a link
Reference in a new issue