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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-values/viewport-units-media-queries.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>Viewport units in @media</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
iframe {
width: 200px;
height: 100px;
}
</style>
<iframe id=iframe></iframe>
<script>
const doc = iframe.contentDocument;
const win = iframe.contentWindow;
function test_media_query(feature, result, description) {
test((t) => {
t.add_cleanup(() => { doc.body.innerHTML = ''; })
doc.body.innerHTML = `
<style>
body {
color: red;
}
@media (${feature}) {
body {
color: green;
}
}
</style>
`;
assert_equals(win.getComputedStyle(doc.body).color, result);
}, description);
}
function test_media_query_applies(feature) {
test_media_query(feature, 'rgb(0, 128, 0)', `@media(${feature}) applies`);
}
function test_media_query_does_not_apply(feature) {
test_media_query(feature, 'rgb(255, 0, 0)', `@media(${feature}) does not apply`);
}
test_media_query_applies('width:100vw');
test_media_query_applies('width:100vi');
test_media_query_applies('width:100vmax');
test_media_query_applies('width:100svw');
test_media_query_applies('width:100svi');
test_media_query_applies('width:100svmax');
test_media_query_applies('width:100lvw');
test_media_query_applies('width:100lvi');
test_media_query_applies('width:100lvmax');
test_media_query_applies('width:100dvw');
test_media_query_applies('width:100dvi');
test_media_query_applies('width:100dvmax');
test_media_query_applies('height:100vh');
test_media_query_applies('height:100vb');
test_media_query_applies('height:100vmin');
test_media_query_applies('height:100svh');
test_media_query_applies('height:100svb');
test_media_query_applies('height:100svmin');
test_media_query_applies('height:100lvh');
test_media_query_applies('height:100lvb');
test_media_query_applies('height:100lvmin');
test_media_query_applies('height:100dvh');
test_media_query_applies('height:100dvb');
test_media_query_applies('height:100dvmin');
test_media_query_does_not_apply('width:90vw');
test_media_query_does_not_apply('height:90vh');
</script>