third_party/WebKit/LayoutTests/fast/css/usecounter-angle-zero-custom.html - Issue 2898133002: CSS: Use count unitless 0 supplied as <angle>

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/css/usecounter-angle-zero-custom.html

Issue 2898133002: CSS: Use count unitless 0 supplied as <angle> (Closed)

Patch Set: test Created 3 years, 7 months ago

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	1 <!DOCTYPE html>

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

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

	4 <script>

	5 'use strict';

	6

	7 test(() => {

	8 let UnitlessZeroAngleCustomProperty = 2006; // From UseCounter.h

	9

	10 let isCounted = () => internals.isUseCounted(document, UnitlessZeroAngleCust omProperty);

	11 var div = document.createElement('div');

	12

	13 // These values are invalid.

	14 div.style = 'image-orientation: 0;';

	15 div.style = 'rotate: 0;';

	16 div.style = 'offset-path: ray(0 closest-side);';

	17 // These properties have their own counters.

	18 div.style = 'filter: hue-rotate(0);';

	19 div.style = 'background-image: linear-gradient(0, red, black);';

	20 div.style = 'offset-rotate: 0;';

	21 div.style = 'transform: skewX(0);';

	22 assert_false(isCounted(),

	23 'non custom property should not be counted');

	24

	25 CSS.registerProperty({

	26 name: '--degrees',

	27 syntax: '<angle>',

	28 initialValue: '0deg',

	29 });

	30 assert_false(isCounted(),

	31 '0deg should not be counted');

	32

	33 CSS.registerProperty({

	34 name: '--unitless',

	35 syntax: '<angle>',

	36 initialValue: '0',

	37 });

	38 assert_true(isCounted(),

	39 '0 should be counted');

	40 }, 'angle 0 is use counted for custom property registration');

	41 </script>

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