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Test to account for links wrapped in svg #44461

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Feb 8, 2024
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Test to account for links wrapped in svg #44461

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52 changes: 52 additions & 0 deletions ...yle-sheet-and-presentational-hints/no-help-cursor-on-links-wrapped-in-svg.historical.html
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<!DOCTYPE html>
<meta charset="utf-8">
<title>link with rel="help" cursor tests</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<link rel="help" href="https://html.spec.whatwg.org/#phrasing-content-3">
<link rel="help" href="https://github.com/w3c/svgwg/issues/468">

<div id="log"></div>

<svg>
<a href="/common/blank.html?unvisited" rel="help" id="unvisited">unvisited</a>
<a href="/common/blank.html?willbevisited" rel="help" id="willbevisited">will be visited</a>
</svg>

<script>
"use strict";


test(() => {
const el = document.querySelector("#unvisited");
const style = window.getComputedStyle(el);

assert_equals(style.cursor, "pointer");
},"Unvisited help links must have pointer cursor, not help cursor");


// This test is kind of dubious. Browsers don't allow you to distinguish visited and unvisited links
// from script, for privacy reasons. So we can't really be sure that loading the iframe would make
// the link count as visited. Manually running this test turns the link purple in some browsers,
// but leaves it blue in others. Even then it's not clear whether it turned purple before or after
// the onload; this test assumes that once the iframe onload fires, it counts as visited, which
// may not be justified even in the purple-turning browsers.
//
// Still, the test doesn't really hurt. At worst it's redundant with the above.
//
// If someone comes up with a better way of testing this (i.e. something that truly guarantees that
// the link will count as "visited" for UA stylesheet purposes), then please submit a PR.
async_test(t => {
const el = document.querySelector("#willbevisited");

const iframe = document.createElement("iframe");
iframe.src = el.href;
iframe.onload = t.step_func_done(() => {
const style = window.getComputedStyle(el);
assert_equals(style.cursor, "pointer");
});

document.body.appendChild(iframe);
}, "Visited help links must have pointer cursor, not help cursor");
</script>