mask-valid.sub.html

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This test has a WPT meta file that expects 10 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /css/css-masking/parsing/mask-valid.sub.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8">

<title>CSS Masking Module Level 1: parsing mask with valid values</title>

<link rel="help" href="https://www.w3.org/TR/css-masking-1/#the-mask">

<meta name="assert" content="mask supports the full '<mask-layer>#' grammar.">

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

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

<script src="/css/support/parsing-testcommon.js"></script>

<script src="/css/support/shorthand-testcommon.js"></script>

</head>

<body>

<script>

// <mask-layer> = <mask-reference> || <position> [ / <bg-size> ]? || <repeat-style> ||

// <geometry-box> || [ <geometry-box> | no-clip ] || <compositing-operator> || <masking-mode>

// <mask-reference> = none | <image> | <mask-source>

test_valid_value('mask', 'none');

test_valid_value('mask', 'linear-gradient(to left bottom, red, blue)');

test_valid_value('mask', 'linear-gradient(to left bottom, red, blue) luminance');

test_valid_value('mask', 'url("https://{{host}}/")');

// <position> [ / <bg-size> ]?

test_valid_value('mask', 'linear-gradient(to left bottom, red, blue) 1px 2px');

test_valid_value('mask', 'url("https://{{host}}/") 1px 2px / contain');

// <repeat-style> = repeat-x | repeat-y | [repeat | space | round | no-repeat]{1,2}

test_valid_value('mask', 'repeat-y');

// <geometry-box> = <shape-box> | fill-box | stroke-box | view-box

// <shape-box> = <box>

// <box> = border-box | padding-box | content-box

test_valid_value('mask', 'border-box', 'none');

test_valid_value('mask', 'linear-gradient(to left bottom, red, blue) padding-box');

test_valid_value('mask', 'content-box');

test_valid_value('mask', 'url("https://{{host}}/") fill-box');

test_valid_value('mask', 'linear-gradient(to left bottom, red, blue) stroke-box');

test_valid_value('mask', 'view-box');

// [ <geometry-box> | no-clip ]

test_valid_value('mask', 'no-clip');

// <compositing-operator> = add | subtract | intersect | exclude

test_valid_value('mask', 'url("https://{{host}}/") add', 'url("https://{{host}}/")');

test_valid_value('mask', 'subtract');

test_valid_value('mask', 'url("https://{{host}}/") intersect');

test_valid_value('mask', 'linear-gradient(to left bottom, red, blue) exclude');

// <masking-mode> = alpha | luminance | auto

test_valid_value('mask', 'alpha');

test_valid_value('mask', 'url("https://{{host}}/") alpha');

// Test the combination of mask-origin and mask-clip.

test_valid_value('mask', 'border-box border-box', 'none');

test_valid_value('mask', 'content-box content-box', 'content-box');

test_valid_value('mask', 'border-box content-box', 'border-box content-box');

test_valid_value('mask', 'border-box no-clip', 'no-clip');

// <mask-layer> = <mask-reference> || <position> [ / <bg-size> ]? || <repeat-style> ||

// <geometry-box> || [ <geometry-box> | no-clip ] || <compositing-operator> || <masking-mode>

test_valid_value('mask',

    'intersect no-clip space round 1px 2px / contain stroke-box linear-gradient(to left bottom, red, blue) luminance',

    'linear-gradient(to left bottom, red, blue) 1px 2px / contain space round stroke-box no-clip intersect luminance');

test_valid_value('mask',

    'intersect no-clip space round 1px 2px / contain view-box, stroke-box linear-gradient(to left bottom, red, blue) luminance',

    '1px 2px / contain space round view-box no-clip intersect, linear-gradient(to left bottom, red, blue) stroke-box luminance');

// Earlier versions of the mask shorthand always required a <mask-reference>.

// To avoid unnecessarily losing test coverage, keep one of the test cases from back then.

test_valid_value('mask', 'none alpha', 'alpha');

test_shorthand_value('mask', 'none', {

    'mask-image': 'none',

    'mask-position': '0% 0%',

    'mask-size': 'auto',

    'mask-repeat': 'repeat',

    'mask-origin': 'border-box',

    'mask-clip': 'border-box',

    'mask-composite': 'add',

    'mask-mode': 'match-source',

    'mask-border-source': 'none',

    'mask-border-outset': '0',

    'mask-border-repeat': 'stretch',

    'mask-border-slice': '0',

    'mask-border-width': 'auto'

})

test_shorthand_value('mask', 'none, linear-gradient(to left bottom, red, blue) padding-box', {

    'mask-image': 'none, linear-gradient(to left bottom, red, blue)',

    'mask-position': '0% 0%, 0% 0%',

    'mask-size': 'auto, auto',

    'mask-repeat': 'repeat, repeat',

    'mask-origin': 'border-box, padding-box',

    'mask-clip': 'border-box, padding-box',

    'mask-composite': 'add, add',

    'mask-mode': 'match-source, match-source',

    'mask-border-source': 'none',

    'mask-border-outset': '0',

    'mask-border-repeat': 'stretch',

    'mask-border-slice': '0',

    'mask-border-width': 'auto'

})

</script>

</body>

</html>