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