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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-contain/container-queries/container-units-in-at-container-dynamic.html - WPT Dashboard Interop Dashboard
<!doctype html>
<title>Container Relative Units: in @container prelude (dynamic)</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/cq-testcommon.js"></script>
<style>
#outer {
container-type: size;
width: 40px;
height: 40px;
}
#container {
container-type: size;
width: 16px;
height: 16px;
}
@container ((width = 16px) and (width = 50cqw)) { #child { --cqw:true; } }
</style>
<div id=outer>
<div id=container>
<div id=child>Test</div>
</div>
</div>
<script>
setup(() => assert_implements_container_queries());
test(() => {
assert_equals(getComputedStyle(child).getPropertyValue('--cqw'), '');
outer.style.width = '32px';
assert_equals(getComputedStyle(child).getPropertyValue('--cqw'), 'true');
}, 'Query with container-relative units are responsive to changes');
</script>