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- This WPT test may be referenced by the following Test IDs:
- /css/css-conditional/container-queries/ineligible-containment.html - WPT Dashboard Interop Dashboard
<!doctype html>
<title>Containers ineligible for containment</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/cq-testcommon.js"></script>
<style>
#outer, #inner1, #inner2 {
width: 200px;
container-type: inline-size;
}
#inner1 {
display: table;
}
p {
color: green;
}
@container (min-width: 1px) {
p { color: red; }
}
</style>
<div id=outer>
<div id=inner1>
<p id=p1>Test1</p>
</div>
<div id=inner2>
<p id=p2>Test1</p>
</div>
</main>
<script>
setup(() => assert_implements_size_container_queries());
test(function(t) {
// #inner1 is the container, but it does not satisfy the containment
// requirements, hence the query should fail.
assert_equals(getComputedStyle(p1).color, 'rgb(0, 128, 0)');
}, 'Container ineligible for containment');
test(function(t) {
t.add_cleanup(() => { inner2.style = ''; });
assert_equals(getComputedStyle(p2).color, 'rgb(255, 0, 0)');
inner2.style = 'display:table';
// #inner2 is still the container, but it no longer satisfies the
// containment requirements.
assert_equals(getComputedStyle(p2).color, 'rgb(0, 128, 0)');
}, 'Changing containment eligibility invalidates style');
</script>