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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/mediaqueries/mq-invalid-media-type-layer-002.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<meta charset="utf-8">
<title>Mediaqueries-3 test: parsing hanging-punctuation with invalid values</title>
<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>