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Bug 1747708 [wpt PR 32200] - css selectors :has error recovery test, a=testonly

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Automatic update from web-platform-tests
css selectors `:has` error recovery test (#32200)

--

wpt-commits: daaa300a0d833135db872cb4c8b5e48b5f61897d
wpt-pr: 32200
This commit is contained in:
Romain Menke 2022-06-21 10:00:13 +00:00 committed by moz-wptsync-bot
parent 4beba6b368
commit 40381889f9
1 changed files with 53 additions and 0 deletions
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53
testing/web-platform/tests/css/selectors/has-error-recovery.html Normal file
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<!doctype html>
<title>CSS Selectors: :has() error recovery</title>
<link rel="help" href="https://drafts.csswg.org/selectors/#relational">
<link rel="help" href="https://drafts.csswg.org/selectors-4/#typedef-forgiving-selector-list">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style id="test-sheet">
random-selector { color: blue; }
</style>
<div id="test-div">
<div id="test-descendant">
</div>
</div>
<script>
let rule = document.getElementById("test-sheet").sheet.cssRules[0];
test(function() {
rule.selectorText = "random-selector";
let invalidSelector = `:has(:total-nonsense)`;
rule.selectorText = invalidSelector;
assert_not_equals(
rule.selectorText,
"random-selector",
"Should've parsed",
);
assert_not_equals(
rule.selectorText,
invalidSelector,
"Should not be considered valid and parsed as-is",
);
let emptyList = `:has()`;
assert_equals(
rule.selectorText,
emptyList,
"Should be serialized as an empty selector-list",
);
assert_equals(document.querySelector(emptyList), null, "Should never match, but should parse");
for (let mixedList of [
`:has(:total-nonsense, #test-descendant)`,
`:has(:total-nonsense and-more-stuff, #test-descendant)`,
`:has(weird-token || and-more-stuff, #test-descendant)`,
]) {
rule.selectorText = mixedList;
assert_equals(
rule.selectorText,
`:has(#test-descendant)`,
`${mixedList}: Should ignore invalid selectors`,
);
let testDiv = document.getElementById("test-div");
assert_equals(document.querySelector(mixedList), testDiv, "Should correctly match");
assert_equals(getComputedStyle(testDiv).color, "rgb(0, 0, 255)", "test element should be blue");
}
});
</script>