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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-contain/container-queries/aspect-ratio-feature-evaluation.html - WPT Dashboard Interop Dashboard
<!doctype html>
<title>@container queries with aspect-ratio</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/cq-testcommon.js"></script>
<style>
.container {
width: 100px;
height: 100px;
}
#inline-size { container-type: inline-size; }
#size { container-type: size; }
span { color: red }
@container (min-aspect-ratio: 1 / 1000) {
span { color: green; }
}
@container (min-aspect-ratio: 2 / 1) {
span { background-color: lime; }
}
</style>
<div id="inline-size" class="container"><span></span></div>
<div id="size" class="container"><span></span></div>
<script>
setup(() => assert_implements_container_queries());
const red = "rgb(255, 0, 0)";
const green = "rgb(0, 128, 0)";
const lime = "rgb(0, 255, 0)";
const transparent = "rgba(0, 0, 0, 0)";
const inline_span = document.querySelector("#inline-size > span");
const size_span = document.querySelector("#size > span");
test(() => {
assert_equals(getComputedStyle(inline_span).color, red,
"Should not match for inline-size containment");
assert_equals(getComputedStyle(size_span).color, green,
"Should match for block-size containment");
assert_equals(getComputedStyle(size_span).backgroundColor, transparent,
"Square should not match 2/1 min-ratio");
}, "@container queries with aspect-ratio and size containment");
test(() => {
document.querySelector("#size").style.width = "200px";
assert_equals(getComputedStyle(size_span).backgroundColor, lime,
"Should match 2/1 min-ratio");
}, "@container query with aspect-ratio change after resize");
</script>