36 lines
1.2 KiB
HTML
36 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<meta charset="utf-8">
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<title>Serialize all longhands</title>
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<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com" />
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<link rel="help" href="https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-getpropertyvalue">
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<meta name="assert" content="Checks that all longhands indexed in a CSSStyleDeclaration can be serialized to a non-empty string when set to their initial value.">
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<div id="target"></div>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script>
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function nonSerializableProperties(style) {
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const result = [];
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assert_greater_than(style.length, 0, "Should have longhands");
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for (let property of style) {
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if (!style.getPropertyValue(property)) {
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result.push(property);
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}
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}
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return result;
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}
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const target = document.getElementById("target");
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target.style.cssText = "all: initial; direction: initial; unicode-bidi: initial;";
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test(function() {
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const props = nonSerializableProperties(target.style);
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assert_array_equals(props, []);
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}, "Specified style");
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test(function() {
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const props = nonSerializableProperties(getComputedStyle(target));
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assert_array_equals(props, []);
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}, "Computed style");
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</script>
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