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<!DOCTYPE html>
<meta charset="utf-8" />
<title>CSS Logical Properties: computed style listing</title>
<link rel="author" title="Oriol Brufau" href="mailto:obrufau@igalia.com" />
<link rel="help" href="https://drafts.csswg.org/css-logical/#margin-properties">
<meta name="assert" content="This test checks that the logical properties are properly exposed in a computed CSSStyleDeclaration." />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
function hasProperty(object, property) {
// This checks the [[HasProperty]] internal method.
return property in object;
}
function hasPropertyValue(object, property) {
// This checks the [[Get]] internal method.
return object[property] !== undefined;
}
function hasPropertyDescriptor(object, property) {
// This checks [[GetOwnProperty]], iterating the prototype chain.
while (object) {
if (Reflect.getOwnPropertyDescriptor(object, property)) {
return true;
}
object = Reflect.getPrototypeOf(object);
}
return false;
}
function hasPropertyKey(object, property) {
// This checks [[OwnPropertyKeys]], iterating the prototype chain.
while (object) {
if (Reflect.ownKeys(object).includes(property)) {
return true;
}
object = Reflect.getPrototypeOf(object);
}
return false;
}
function hasItem(object, item) {
// This checks the CSSStyleDeclaration::item WebIDL getter.
for (let i = 0; i < object.length; ++i) {
if (object.item(i) === item) {
return true;
}
}
return false;
}
function check(property) {
const cs = getComputedStyle(document.body);
const camelCase = property.replace(/-(.)/g, (_, b) => b.toUpperCase());
test(function() {
assert_true(hasProperty(cs, property) || hasProperty(cs, camelCase),
`The computed style has the property ${property} or ${camelCase}.`);
assert_true(hasPropertyValue(cs, property) || hasPropertyValue(cs, camelCase),
`The computed style has a value for for the property ${property} or ${camelCase}.`);
assert_true(hasPropertyDescriptor(cs, property) || hasPropertyDescriptor(cs, camelCase),
`The computed style has a property descriptor for ${property} or ${camelCase}.`);
assert_true(hasPropertyKey(cs, property) || hasPropertyKey(cs, camelCase),
`The computed style contains ${property} or ${camelCase} in the property list.`);
assert_true(hasItem(cs, property) || hasItem(cs, camelCase),
`The computed style contains the item ${property} or ${camelCase}.`);
}, property);
}
check("border-block-end-color");
check("border-block-end-style");
check("border-block-end-width");
check("border-block-start-color");
check("border-block-start-style");
check("border-block-start-width");
check("border-inline-end-color");
check("border-inline-end-style");
check("border-inline-end-width");
check("border-inline-start-color");
check("border-inline-start-style");
check("border-inline-start-width");
check("inset-block-start");
check("inset-block-end");
check("inset-inline-start");
check("inset-inline-end");
check("margin-block-start");
check("margin-block-end");
check("margin-inline-start");
check("margin-inline-end");
check("padding-block-start");
check("padding-block-end");
check("padding-inline-start");
check("padding-inline-end");
check("block-size");
check("inline-size");
check("max-block-size");
check("max-inline-size");
check("min-block-size");
check("min-inline-size");
</script>
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