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<!doctype html>
<meta charset="utf-8">
<title>CSS ::highlight Pseudo-Element Test: ::highlight selector getComputedStyle</title>
<link rel="help" href="https://drafts.csswg.org/css-highlight-api-1/">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
#target::highlight(foo) {
background-color: green;
color: lime;
}
#target::highlight(bar) {
background-color: cyan;
color: fuchsia;
}
</style>
<div id="target"></div>
<script>
let highlightPseudo = "::highlight(foo)";
test(() => {
let style = getComputedStyle(target, highlightPseudo);
assert_equals(style.backgroundColor, "rgb(0, 128, 0)", "Background color is green.");
assert_equals(style.color, "rgb(0, 255, 0)", "Color is lime.");
}, `getComputedStyle() for ${highlightPseudo}`);
highlightPseudo = "::highlight(bar)";
test(() => {
let style = getComputedStyle(target, highlightPseudo);
assert_equals(style.backgroundColor, "rgb(0, 255, 255)", "Background color is cyan.");
assert_equals(style.color, "rgb(255, 0, 255)", "Color is fuchsia.");
}, `Different getComputedStyle() for ${highlightPseudo} and same element`);
for (const illHighlightPseudo of ["::highlight(foo):", "::highlight(foo))", "::highlight(foo)(", "::highlight", "::highlight(foo)(foo)", "::highlight(foo)()", ":::highlight(foo)", "::highlight(foo).", "::highlight(foo,bar)", "::highlight(foo bar)"]) {
test(() => {
let style = getComputedStyle(target, illHighlightPseudo);
assert_equals(style.length, 0, "Invalid pseudo identifiers should not return a style.");
}, `getComputedStyle() for ${illHighlightPseudo} should not return a style.`);
}
</script>
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