third_party/WebKit/LayoutTests/animations/custom-properties/registered-var-to-registered-transitioning.html - Issue 2809063002: WIP Support var() references in registered custom property keyframes

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Side by Side Diff: third_party/WebKit/LayoutTests/animations/custom-properties/registered-var-to-registered-transitioning.html

Issue 2809063002: WIP Support var() references in registered custom property keyframes (Closed)

Patch Set: Rebased Created 3 years, 6 months ago

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	1 <!DOCTYPE html>

	2 <script src="../../resources/testharness.js"></script>

	3 <script src="../../resources/testharnessreport.js"></script>

	4 <style>

	5 #target {

	6 transition-property: --transition;

	7 transition-duration: 1s;

	8 transition-delay: -0.5s;

	9 transition-timing-function: linear;

	10 --transition: 100;

	11 }

	12 </style>

	13 <div id="target">target</div>

	14 <script>

	15 for (let name of ['--transition', '--test']) {

	16 CSS.registerProperty({

	17 name,

	18 syntax: '<number>',

	19 initialValue: '0',

	20 });

	21 }

	22

	23 test(() => {

	24 assert_equals(getComputedStyle(target).getPropertyValue('--test'), '0', '--tes t at initial value');

	25 assert_equals(getComputedStyle(target).getPropertyValue('--transition'), '100' , '--transition at initial value');

	26

	27 let animation = target.animate({'--test': ['50', 'var(--transition)']}, {durat ion: 100, fill: 'forwards'});

	28

	29 animation.currentTime = 0;

	30 assert_equals(getComputedStyle(target).getPropertyValue('--test'), '50', '--te st at 0% with no transition');

	31 animation.currentTime = 50;

	32 assert_equals(getComputedStyle(target).getPropertyValue('--test'), '75', '--te st at 50% with no transition');

	33 animation.currentTime = 100;

	34 assert_equals(getComputedStyle(target).getPropertyValue('--test'), '100', '--t est at 100% with no transition');

	35

	36 target.style.setProperty('--transition', '200');

	37 assert_equals(getComputedStyle(target).getPropertyValue('--transition'), '150' , '--transition at initial transitioning value');

	38

	39 animation.currentTime = 0;

	40 assert_equals(getComputedStyle(target).getPropertyValue('--test'), '50', '--te st at 0% with transition');

	41 animation.currentTime = 50;

	42 assert_equals(getComputedStyle(target).getPropertyValue('--test'), '100', '--t est at 50% with transition');

	43 animation.currentTime = 100;

	44 assert_equals(getComputedStyle(target).getPropertyValue('--test'), '150', '--t est at 50% with transition');

	45 }, 'Registered custom property animation keyframes with var() references to anim ating unregistered custom properties');

	46 </script>

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