font-shorthand-subproperties-reset.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-fonts/font-shorthand-subproperties-reset.html - WPT Dashboard Interop Dashboard

<!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="moonira@google.com">

<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>