<title>Matching behavior for :not with complex selector list</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<link rel="help" href="https://drafts.csswg.org/selectors/#negation">

<main id=main>

<div id=a><div id=d></div></div>

<div id=b><div id=e></div></div>

<div id=c><div id=f></div></div>

function formatElements(elements) {

return elements.map(e => e.id).sort().join();

}

// Test that |selector| returns the given elements in #main.

function test_selector(selector, expected) {

test(function() {

let actual = Array.from(main.querySelectorAll(selector));

assert_equals(formatElements(actual), formatElements(expected));

}, `${selector} matches expected elements`);

}

test_selector(':not(#a)', [b, c, d, e, f]);

test_selector(':not(#a #d)', [a, b, c, e, f]);

test_selector(':not(#b div)', [a, b, c, d, f]);

test_selector(':not(div div)', [a, b, c]);

test_selector(':not(div + div)', [a, d, e, f]);

test_selector(':not(main > div)', [d, e, f]);

test_selector(':not(#a, #b)', [c, d, e, f]);

test_selector(':not(#f, main > div)', [d, e]);

test_selector(':not(div + div + div, div + div > div)', [a, b, d]);

test_selector(':not(div:nth-child(1))', [b, c]);

test_selector(':not(:not(div))', [a, b, c, d, e, f]);

test_selector(':not(:not(:not(div)))', []);

test_selector(':not(div, span)', []);

test_selector(':not(span, p)', [a, b, c, d, e, f]);

test_selector(':not(#unknown, .unknown)', [a, b, c, d, e, f]);

test_selector(':not(#unknown > div, span)', [a, b, c, d, e, f]);

test_selector(':not(#unknown ~ div, span)', [a, b, c, d, e, f]);

test_selector(':not(:hover div)', [a, b, c, d, e, f]);

test_selector(':not(:link div)', [a, b, c, d, e, f]);

test_selector(':not(:visited div)', [a, b, c, d, e, f]);