| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Resetting mask shorthand subproperties</title> |
| <link rel="author" title="Tim Nguyen" href="https://github.com/nt1m"> |
| <link rel="help" href="https://drafts.fxtf.org/css-masking/#the-mask"> |
| <meta name="assert" content="All subproperties of the masking property are first reset to their initial values."> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| <div id="test"></div> |
| <script> |
| |
| function set_subproperty(property, value) { |
| const element = document.getElementById('test') |
| element.style = '' |
| element.style[property] = value |
| } |
| |
| function test_shorthand_resetting_subproperty(property, newValue) { |
| if (!CSS.supports(property, newValue)) |
| return |
| test(() => { |
| let testElem = document.getElementById('test'); |
| let computed = window.getComputedStyle(testElem); |
| let initialValue = computed[property]; |
| set_subproperty(property, newValue); |
| document.getElementById('test').style.mask = 'url("#mask")'; |
| assert_equals(computed[property], initialValue); |
| assert_not_equals(computed.mask, ""); |
| }, 'Property ' + property + ' should be reset to its initial value.') |
| } |
| |
| test_shorthand_resetting_subproperty('mask-border-mode', 'luminance'); |
| test_shorthand_resetting_subproperty('mask-border-outset', '10px 20px 30px 40px'); |
| test_shorthand_resetting_subproperty('mask-border-repeat', 'round space'); |
| test_shorthand_resetting_subproperty('mask-border-slice', '1 2 3 4 fill'); |
| test_shorthand_resetting_subproperty('mask-border-source', 'url("#mask-border")'); |
| test_shorthand_resetting_subproperty('mask-border-width', '10px 20px 30px 40px'); |
| test_shorthand_resetting_subproperty('mask-clip', 'no-clip') |
| test_shorthand_resetting_subproperty('mask-composite', 'subtract') |
| test_shorthand_resetting_subproperty('mask-image', 'url("#mask-image")') |
| test_shorthand_resetting_subproperty('mask-mode', 'luminance') |
| test_shorthand_resetting_subproperty('mask-origin', 'content-box') |
| test_shorthand_resetting_subproperty('mask-position', '10px 10px') |
| test_shorthand_resetting_subproperty('mask-repeat', 'no-repeat') |
| test_shorthand_resetting_subproperty('mask-size', '10px') |
| </script> |
| </body> |
| </html> |
