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tests for error handling of layer as a media type #33940

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May 5, 2022
Merged

tests for error handling of layer as a media type #33940

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31 changes: 31 additions & 0 deletions css/mediaqueries/mq-invalid-media-type-layer-001.html
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<!doctype html>
<html>
<head>
<title>Test: syntax error handling in Media Queries</title>
<link rel="author" title="Florian Rivoal" href="http://florian.rivoal.net/">
<link rel="help" href="https://drafts.csswg.org/mediaqueries4/#error-handling">
<link rel="match" href="../reference/ref-filled-green-100px-square.xht">
<meta name="assert" content="'layer' is an invalid media type">
<meta name="flags" content="invalid">
<style>
div {
width: 100px;
height: 100px;
}
@media all {
div { background-color: green; }
}
@media not layer {
div { background-color: red; }
}
@media layer {
div { background-color: red; }
}
</style>
</head>
<body>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div></div>
</body>
</html>

27 changes: 27 additions & 0 deletions css/mediaqueries/mq-invalid-media-type-layer-002.html
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<!DOCTYPE html>
<html>
<meta charset="utf-8">
<title>Mediaqueries-3 test: parsing hanging-punctuation with invalid values</title>
<link rel="help" href="https://www.w3.org/TR/css3-mediaqueries/#error-handling">
<link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net/">
<meta name="flags" content="invalid">
<meta name="assert" content="'layer' must not be treated as an unknown media type, but rather trigger the malformed query clause.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
@media not layer {
body { background-color: red; }
}
@media layer {
body { background-color: red; }
}
</style>
<script>
var queries = document.styleSheets[0].cssRules;
test(() => {
for (const query of queries) {
assert_equals(query.conditionText, "not all");
}
assert_equals(queries.length, 2, "invalid rules must be treated as 'not all', not dropped");
}, "'layer' used as media types is a syntax error");
</script>