<!DOCTYPE html> <html> <head> <title>Testing the inheritance of the font-variation-settings property</title> <link rel="help" href="https://www.w3.org/TR/css-fonts-4/#propdef-font-variation-settings" /> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> </head> <body> <div id="inheritanceTestParent" style="font-variation-settings: 'xxxx' 1, 'xxxx' 2;"> <span id="inheritanceTestChildInherited">Abc</span> <span id="inheritanceTestChildOverride" style="font-variation-settings: 'cccc' 1, 'bbbb' 2, 'aaaa' 3, 'aaaa' calc(2 + 2);">Abc</span> </div> <script> // Verify computed inheritance of nested elements. var elementParent = document.getElementById("inheritanceTestParent"); var elementChildInherited = document.getElementById("inheritanceTestChildInherited"); var elementChildOverride = document.getElementById("inheritanceTestChildOverride"); var parentValue = "'yyyy' 1, 'yyyy' 2"; elementParent.style.fontVariationSettings = parentValue; test(() => { var actualValue = window.getComputedStyle(elementParent).fontVariationSettings; // The following strict test is subject to debate; softening for now: // assert_equals(actualValue, "\"yyyy\" 2", "Duplicate axis tags should be removed, favoring the latter axis tag's value."); assert_equals((/.*(?:"|')yyyy(?:"|') (\d)/.exec(actualValue)||[])[1], '2', "Child should override parent value."); }, "Test font-variation-settings for duplicates using " + parentValue); test(() => { var actualValue = window.getComputedStyle(elementChildInherited).fontVariationSettings; // The following strict test is subject to debate; softening for now: // assert_equals(actualValue, "\"yyyy\" 2", "Child should inherit the parent value directly."); assert_equals((/.*(?:"|')yyyy(?:"|') (\d)/.exec(actualValue)||[])[1], '2', "Child should override parent value."); }, "Test font-variation-settings for child inheritance"); test(() => { var actualValue = window.getComputedStyle(elementChildOverride).fontVariationSettings; // The following strict test is subject to debate; softening for now: // assert_equals(actualValue, "\"aaaa\" 4, \"bbbb\" 2, \"cccc\" 1", "Child should override parent value."); assert_equals((/.*(?:"|')aaaa(?:"|') (\d)/.exec(actualValue)||[])[1], '4', "Child should override parent value."); assert_equals((/.*(?:"|')yyyy(?:"|') (\d)/.exec(actualValue)||[])[1], undefined, "Child should override parent value."); }, "Test font-variation-settings for child override"); </script> </body> </html>