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<!doctype html>
<meta charset="utf-8">
<title>CSSOM: Handling pseudo-elements with arguments</title>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<link rel=help href=https://drafts.csswg.org/cssom/#dom-window-getcomputedstyle>
<style>
#pseudo-invalid::highlight(name) {
color: rgb(0, 128, 0);
}
#pseudo-invalid::view-transition-image-pair(name) {
color: rgb(0, 128, 0);
}
#pseudo-invalid::view-transition-group(name) {
color: rgb(0, 128, 0);
}
#pseudo-invalid::view-transition-old(name) {
color: rgb(0, 128, 0);
}
#pseudo-invalid::view-transition-new(name) {
color: rgb(0, 128, 0);
}
</style>
<ul><li id="pseudo-invalid">Item</li></ul>
<script>
[
"::before(test)",
"::highlight",
"::highlight(",
"::highlight()",
"::highlight(1)",
"::highlight($)",
"::highlight (name)",
"::highlight(name)a",
":highlight(name)",
"::view-transition-group(*)",
"::view-transition-image-pair(*)",
"::view-transition-old(*)",
"::view-transition-new(*)",
":view-transition-group(name)",
":view-transition-image-pair(name)",
":view-transition-old(name)",
":view-transition-new(name)",
].forEach(nonParsablePseudoIdentifier => {
test(() => {
const li = document.querySelector('li');
assert_equals(getComputedStyle(li, nonParsablePseudoIdentifier).length, 0);
}, `This pseudo-element should not parse: ${nonParsablePseudoIdentifier}`)
});
[
"::highlight(name)",
"::highlight(\nname",
"::highlight(name\t",
"::highlight( name ",
"::highlight( n\\61me )"
].forEach(parsablePseudoIdentifier => {
test(() => {
const li = document.querySelector('li');
assert_true(getComputedStyle(li, parsablePseudoIdentifier).length != 0);
assert_equals(getComputedStyle(li, parsablePseudoIdentifier).color, "rgb(0, 128, 0)");
}, `This pseudo-element should parse: ${parsablePseudoIdentifier}`);
});
</script>
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