| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>CSS Fonts Module Level 4: Resetting font shorthand subproperties</title> |
| <link rel="author" title="Munira Tursunova" href="[email protected]"> |
| <link rel="help" href="https://drafts.csswg.org/css-fonts/#font-prop"> |
| <meta name="assert" content="All subproperties of the font property are first reset to their initial values."> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div id="test"></div> |
| <script> |
| |
| function set_font_subproperty(property, value) { |
| const element = document.getElementById('test') |
| element.style = '' |
| element.style[property] = value |
| } |
| |
| function test_font_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_font_subproperty(property, newValue); |
| document.getElementById('test').style.font = '16px serif'; |
| assert_equals(computed[property], initialValue); |
| assert_not_equals(computed.font, ""); |
| }, 'Property ' + property + ' should be reset to its initial value.') |
| } |
| |
| test_font_shorthand_resetting_subproperty('font-size-adjust', '0') |
| test_font_shorthand_resetting_subproperty('font-kerning', 'normal') |
| test_font_shorthand_resetting_subproperty('font-variant-caps', 'all-small-caps') |
| test_font_shorthand_resetting_subproperty('font-variant-ligatures', 'none') |
| test_font_shorthand_resetting_subproperty('font-variant-position', 'sub') |
| test_font_shorthand_resetting_subproperty('font-variant-numeric', 'ordinal') |
| test_font_shorthand_resetting_subproperty('font-variant-alternates', 'historical-forms') |
| test_font_shorthand_resetting_subproperty('font-variant-east-asian', 'full-width') |
| test_font_shorthand_resetting_subproperty('font-variant-emoji', 'text') |
| test_font_shorthand_resetting_subproperty('font-feature-settings', '"sinf"') |
| test_font_shorthand_resetting_subproperty('font-language-override', '"SRB"') |
| test_font_shorthand_resetting_subproperty('font-optical-sizing', 'none') |
| test_font_shorthand_resetting_subproperty('font-variation-settings', '"aaaa" 1') |
| |
| </script> |
