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Unified Diff: third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/keyframe-effect/effect-easing.html

Issue 1866333004: Import web-platform-tests@5a8700479d98852455bee6117558897867eb278a (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@wpt-sync
Patch Set: Add Failure option for two TestExpectations entries Created 4 years, 8 months ago
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Index: third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/keyframe-effect/effect-easing.html
diff --git a/third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/keyframe-effect/effect-easing.html b/third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/keyframe-effect/effect-easing.html
new file mode 100644
index 0000000000000000000000000000000000000000..9e518efb976cda9fe0109979d2d8bfc87e05a21e
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/keyframe-effect/effect-easing.html
@@ -0,0 +1,438 @@
+<!DOCTYPE html>
+<meta charset=utf-8>
+<title>Effect-level easing tests</title>
+<link rel="help" href="http://w3c.github.io/web-animations/#calculating-the-transformed-time">
+<link rel="author" title="Hiroyuki Ikezoe" href="mailto:hiikezoe@mozilla-japan.org">
+<script src="../../../../resources/testharness.js"></script>
+<script src="../../../../resources/testharnessreport.js"></script>
+<script src="../testcommon.js"></script>
+<body>
+<div id="log"></div>
+<div id="target"></div>
+<script>
+"use strict";
+
+function assert_style_left_at(animation, time, easingFunction) {
+ animation.currentTime = time;
+ var portion = time / animation.effect.timing.duration;
+ assert_approx_equals(pxToNum(getComputedStyle(animation.effect.target).left),
+ easingFunction(portion) * 100,
+ 0.01,
+ 'The left of the animation should be approximately ' +
+ easingFunction(portion) * 100 + ' at ' + time + 'ms');
+}
+
+var gEffectEasingTests = [
+ {
+ desc: 'steps(start) function',
+ easing: 'steps(2, start)',
+ easingFunction: stepStart(2)
+ },
+ {
+ desc: 'steps(end) function',
+ easing: 'steps(2, end)',
+ easingFunction: stepEnd(2)
+ },
+ {
+ desc: 'linear function',
+ easing: 'linear', // cubic-bezier(0, 0, 1.0, 1.0)
+ easingFunction: cubicBezier(0, 0, 1.0, 1.0)
+ },
+ {
+ desc: 'ease function',
+ easing: 'ease', // cubic-bezier(0.25, 0.1, 0.25, 1.0)
+ easingFunction: cubicBezier(0.25, 0.1, 0.25, 1.0)
+ },
+ {
+ desc: 'ease-in function',
+ easing: 'ease-in', // cubic-bezier(0.42, 0, 1.0, 1.0)
+ easingFunction: cubicBezier(0.42, 0, 1.0, 1.0)
+ },
+ {
+ desc: 'ease-in-out function',
+ easing: 'ease-in-out', // cubic-bezier(0.42, 0, 0.58, 1.0)
+ easingFunction: cubicBezier(0.42, 0, 0.58, 1.0)
+ },
+ {
+ desc: 'ease-out function',
+ easing: 'ease-out', // cubic-bezier(0, 0, 0.58, 1.0)
+ easingFunction: cubicBezier(0, 0, 0.58, 1.0)
+ },
+ {
+ desc: 'easing function which produces values greater than 1',
+ easing: 'cubic-bezier(0, 1.5, 1, 1.5)',
+ easingFunction: cubicBezier(0, 1.5, 1, 1.5)
+ },
+ {
+ desc: 'easing function which produces negative values',
+ easing: 'cubic-bezier(0, -0.5 ,1, -0.5)',
+ easingFunction: cubicBezier(0, -0.5, 1, -0.5)
+ },
+];
+
+gEffectEasingTests.forEach(function(options) {
+ test(function(t) {
+ var target = createDiv(t);
+ target.style.position = 'absolute';
+ var anim = target.animate([ { left: '0px' }, { left: '100px' } ],
+ { duration: 1000,
+ fill: 'forwards',
+ easing: options.easing });
+ var easing = options.easingFunction;
+
+ anim.pause();
+
+ assert_style_left_at(anim, 0, easing);
+ assert_style_left_at(anim, 250, easing);
+ assert_style_left_at(anim, 500, easing);
+ assert_style_left_at(anim, 750, easing);
+ assert_style_left_at(anim, 1000, easing);
+ }, options.desc);
+});
+
+var gEffectEasingTestsWithKeyframeEasing = [
+ {
+ desc: 'effect easing produces values greater than 1 with keyframe ' +
+ 'easing cubic-bezier(0, 0, 0, 0)',
+ easing: 'cubic-bezier(0, 1.5, 1, 1.5)',
+ keyframeEasing: 'cubic-bezier(0, 0, 0, 0)', // linear
+ easingFunction: cubicBezier(0, 1.5, 1, 1.5)
+ },
+ {
+ desc: 'effect easing produces values greater than 1 with keyframe ' +
+ 'easing cubic-bezier(1, 1, 1, 1)',
+ easing: 'cubic-bezier(0, 1.5, 1, 1.5)',
+ keyframeEasing: 'cubic-bezier(1, 1, 1, 1)', // linear
+ easingFunction: cubicBezier(0, 1.5, 1, 1.5)
+ },
+ {
+ desc: 'effect easing produces negative values 1 with keyframe ' +
+ 'easing cubic-bezier(0, 0, 0, 0)',
+ easing: 'cubic-bezier(0, -0.5, 1, -0.5)',
+ keyframeEasing: 'cubic-bezier(0, 0, 0, 0)', // linear
+ easingFunction: cubicBezier(0, -0.5, 1, -0.5)
+ },
+ {
+ desc: 'effect easing produces negative values 1 with keyframe ' +
+ 'easing cubic-bezier(1, 1, 1, 1)',
+ easing: 'cubic-bezier(0, -0.5, 1, -0.5)',
+ keyframeEasing: 'cubic-bezier(1, 1, 1, 1)', // linear
+ easingFunction: cubicBezier(0, -0.5, 1, -0.5)
+ },
+];
+
+gEffectEasingTestsWithKeyframeEasing.forEach(function(options) {
+ test(function(t) {
+ var target = createDiv(t);
+ target.style.position = 'absolute';
+ var anim = target.animate(
+ [ { left: '0px', easing: options.keyframeEasing },
+ { left: '100px' } ],
+ { duration: 1000,
+ fill: 'forwards',
+ easing: options.easing });
+ var easing = options.easingFunction;
+
+ anim.pause();
+
+ assert_style_left_at(anim, 0, easing);
+ assert_style_left_at(anim, 250, easing);
+ assert_style_left_at(anim, 500, easing);
+ assert_style_left_at(anim, 750, easing);
+ assert_style_left_at(anim, 1000, easing);
+ }, options.desc);
+});
+
+// Other test cases that effect easing produces values outside of [0,1].
+test(function(t) {
+ var target = createDiv(t);
+ target.style.position = 'absolute';
+ var anim = target.animate([ { left: '0px', easing: 'step-start' },
+ { left: '100px' } ],
+ { duration: 1000,
+ fill: 'forwards',
+ easing: 'cubic-bezier(0, 1.5, 1, 1.5)' });
+ anim.pause();
+
+ // The bezier function produces values greater than 1 in (0.23368794, 1)
+ anim.currentTime = 0;
+ assert_equals(getComputedStyle(target).left, '100px');
+ anim.currentTime = 230;
+ assert_equals(getComputedStyle(target).left, '100px');
+ anim.currentTime = 250;
+ assert_equals(getComputedStyle(target).left, '100px');
+ anim.currentTime = 1000;
+ assert_equals(getComputedStyle(target).left, '100px');
+}, 'effect easing produces values greater than 1 with step-start keyframe');
+
+test(function(t) {
+ var target = createDiv(t);
+ target.style.position = 'absolute';
+ var anim = target.animate([ { left: '0px', easing: 'step-end' },
+ { left: '100px' } ],
+ { duration: 1000,
+ fill: 'forwards',
+ easing: 'cubic-bezier(0, 1.5, 1, 1.5)' });
+ anim.pause();
+
+ // The bezier function produces values greater than 1 in (0.23368794, 1)
+ anim.currentTime = 0;
+ assert_equals(getComputedStyle(target).left, '0px');
+ anim.currentTime = 230;
+ assert_equals(getComputedStyle(target).left, '0px');
+ anim.currentTime = 250;
+ assert_equals(getComputedStyle(target).left, '100px');
+ anim.currentTime = 1000;
+ assert_equals(getComputedStyle(target).left, '100px');
+}, 'effect easing produces values greater than 1 with step-end keyframe');
+
+test(function(t) {
+ var target = createDiv(t);
+ target.style.position = 'absolute';
+ var anim = target.animate([ { left: '0px', easing: 'step-start' },
+ { left: '100px' } ],
+ { duration: 1000,
+ fill: 'forwards',
+ easing: 'cubic-bezier(0, -0.5, 1, -0.5)' });
+ anim.pause();
+
+ // The bezier function produces negative values in (0, 0.766312060)
+ anim.currentTime = 0;
+ assert_equals(getComputedStyle(target).left, '100px');
+ anim.currentTime = 750;
+ assert_equals(getComputedStyle(target).left, '0px');
+ anim.currentTime = 800;
+ assert_equals(getComputedStyle(target).left, '100px');
+ anim.currentTime = 1000;
+ assert_equals(getComputedStyle(target).left, '100px');
+}, 'effect easing produces negative values with step-start keyframe');
+
+test(function(t) {
+ var target = createDiv(t);
+ target.style.position = 'absolute';
+ var anim = target.animate([ { left: '0px', easing: 'step-end' },
+ { left: '100px' } ],
+ { duration: 1000,
+ fill: 'forwards',
+ easing: 'cubic-bezier(0, -0.5, 1, -0.5)' });
+ anim.pause();
+
+ // The bezier function produces negative values in (0, 0.766312060)
+ anim.currentTime = 0;
+ assert_equals(getComputedStyle(target).left, '0px');
+ anim.currentTime = 750;
+ assert_equals(getComputedStyle(target).left, '0px');
+ anim.currentTime = 800;
+ assert_equals(getComputedStyle(target).left, '0px');
+ anim.currentTime = 1000;
+ assert_equals(getComputedStyle(target).left, '100px');
+}, 'effect easing produces negative values with step-end keyframe');
+
+test(function(t) {
+ var target = createDiv(t);
+ target.style.position = 'absolute';
+ var anim = target.animate(
+ // http://cubic-bezier.com/#.5,1,.5,0
+ [ { left: '0px', easing: 'cubic-bezier(0.5, 1, 0.5, 0)' },
+ { left: '100px' } ],
+ { duration: 1000,
+ fill: 'forwards',
+ easing: 'cubic-bezier(0, 1.5, 1, 1.5)' });
+ var keyframeEasing = function(x) {
+ assert_greater_than_equal(x, 0.0,
+ 'This function should be called in [0, 1.0] range');
+ assert_less_than_equal(x, 1.0,
+ 'This function should be called in [0, 1.0] range');
+ return cubicBezier(0.5, 1, 0.5, 0)(x);
+ }
+ var keyframeEasingExtrapolated = function(x) {
+ assert_greater_than(x, 1.0,
+ 'This function should be called in (1.0, infinity) range');
+ // p3x + (p2y - p3y) / (p2x - p3x) * (x - p3x)
+ return 1.0 + (0 - 1) / (0.5 - 1) * (x - 1.0);
+ }
+ var effectEasing = function(x) {
+ return cubicBezier(0, 1.5, 1, 1.5)(x);
+ }
+
+ anim.pause();
+
+ // The effect-easing produces values greater than 1 in (0.23368794, 1)
+ assert_style_left_at(anim, 0, function(x) {
+ return keyframeEasing(effectEasing(x));
+ });
+ assert_style_left_at(anim, 230, function(x) {
+ return keyframeEasing(effectEasing(x));
+ });
+ assert_style_left_at(anim, 240, function(x) {
+ return keyframeEasingExtrapolated(effectEasing(x));
+ });
+ // Near the extreme point of the effect-easing function
+ assert_style_left_at(anim, 700, function(x) {
+ return keyframeEasingExtrapolated(effectEasing(x));
+ });
+ assert_style_left_at(anim, 990, function(x) {
+ return keyframeEasingExtrapolated(effectEasing(x));
+ });
+ assert_style_left_at(anim, 1000, function(x) {
+ return keyframeEasing(effectEasing(x));
+ });
+}, 'effect easing produces values greater than 1 with keyframe easing ' +
+ 'producing values greater than 1');
+
+test(function(t) {
+ var target = createDiv(t);
+ target.style.position = 'absolute';
+ var anim = target.animate(
+ // http://cubic-bezier.com/#0,1.5,1,1.5
+ [ { left: '0px', easing: 'cubic-bezier(0, 1.5, 1, 1.5)' },
+ { left: '100px' } ],
+ { duration: 1000,
+ fill: 'forwards',
+ easing: 'cubic-bezier(0, 1.5, 1, 1.5)' });
+ var easing = function(x) {
+ assert_greater_than_equal(x, 0.0,
+ 'This function should be called in [0, 1.0] range');
+ assert_less_than_equal(x, 1.0,
+ 'This function should be called in [0, 1.0] range');
+ return cubicBezier(0, 1.5, 1, 1.5)(x);
+ }
+ var easingExtrapolated = function(x) {
+ assert_greater_than(x, 1.0,
+ 'This function should be called in negative range');
+ // For cubic-bezier(0, 1.5, 1, 1.5), the tangent at the
+ // endpoint (x = 1.0) is infinity so we should just return 1.0.
+ return 1.0;
+ }
+
+ anim.pause();
+
+ // The effect-easing produces values greater than 1 in (0.23368794, 1)
+ assert_style_left_at(anim, 0, function(x) {
+ return easing(easing(x))
+ });
+ assert_style_left_at(anim, 230, function(x) {
+ return easing(easing(x))
+ });
+ assert_style_left_at(anim, 240, function(x) {
+ return easingExtrapolated(easing(x));
+ });
+ // Near the extreme point of the effect-easing function
+ assert_style_left_at(anim, 700, function(x) {
+ return easingExtrapolated(easing(x));
+ });
+ assert_style_left_at(anim, 990, function(x) {
+ return easingExtrapolated(easing(x));
+ });
+ assert_style_left_at(anim, 1000, function(x) {
+ return easing(easing(x))
+ });
+}, 'effect easing which produces values greater than 1 and the tangent on ' +
+ 'the upper boundary is infinity with keyframe easing producing values ' +
+ 'greater than 1');
+
+test(function(t) {
+ var target = createDiv(t);
+ target.style.position = 'absolute';
+ var anim = target.animate(
+ // http://cubic-bezier.com/#.5,1,.5,0
+ [ { left: '0px', easing: 'cubic-bezier(0.5, 1, 0.5, 0)' },
+ { left: '100px' } ],
+ { duration: 1000,
+ fill: 'forwards',
+ easing: 'cubic-bezier(0, -0.5, 1, -0.5)' });
+ var keyframeEasing = function(x) {
+ assert_greater_than_equal(x, 0.0,
+ 'This function should be called in [0, 1.0] range');
+ assert_less_than_equal(x, 1.0,
+ 'This function should be called in [0, 1.0] range');
+ return cubicBezier(0.5, 1, 0.5, 0)(x);
+ }
+ var keyframeEasingExtrapolated = function(x) {
+ assert_less_than(x, 0.0,
+ 'This function should be called in negative range');
+ // p0x + (p1y - p0y) / (p1x - p0x) * (x - p0x)
+ return (1 / 0.5) * x;
+ }
+ var effectEasing = function(x) {
+ return cubicBezier(0, -0.5, 1, -0.5)(x);
+ }
+
+ anim.pause();
+
+ // The effect-easing produces negative values in (0, 0.766312060)
+ assert_style_left_at(anim, 0, function(x) {
+ return keyframeEasing(effectEasing(x));
+ });
+ assert_style_left_at(anim, 10, function(x) {
+ return keyframeEasingExtrapolated(effectEasing(x));
+ });
+ // Near the extreme point of the effect-easing function
+ assert_style_left_at(anim, 300, function(x) {
+ return keyframeEasingExtrapolated(effectEasing(x));
+ });
+ assert_style_left_at(anim, 750, function(x) {
+ return keyframeEasingExtrapolated(effectEasing(x));
+ });
+ assert_style_left_at(anim, 770, function(x) {
+ return keyframeEasing(effectEasing(x));
+ });
+ assert_style_left_at(anim, 1000, function(x) {
+ return keyframeEasing(effectEasing(x));
+ });
+}, 'effect easing produces negative values with keyframe easing ' +
+ 'producing negative values');
+
+test(function(t) {
+ var target = createDiv(t);
+ target.style.position = 'absolute';
+ var anim = target.animate(
+ // http://cubic-bezier.com/#0,-0.5,1,-0.5
+ [ { left: '0px', easing: 'cubic-bezier(0, -0.5, 1, -0.5)' },
+ { left: '100px' } ],
+ { duration: 1000,
+ fill: 'forwards',
+ easing: 'cubic-bezier(0, -0.5, 1, -0.5)' });
+ var easing = function(x) {
+ assert_greater_than_equal(x, 0.0,
+ 'This function should be called in [0, 1.0] range');
+ assert_less_than_equal(x, 1.0,
+ 'This function should be called in [0, 1.0] range');
+ return cubicBezier(0, -0.5, 1, -0.5)(x);
+ }
+ var easingExtrapolated = function(x) {
+ 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>
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