<!DOCTYPE html>
<title>CSS Media Queries Test: overflow media features</title>
<link rel="help" href="https://drafts.csswg.org/mediaqueries-4/#descdef-media-update">
<meta assert="The test is supposed to be run on computer displays as it will no match otherwise">
<script type="text/javascript" src="/resources/testharness.js"></script>
<script type="text/javascript" src="/resources/testharnessreport.js"></script>
<script type="text/javascript" src="resources/matchmedia-utils.js"></script>
<script>
query_should_be_known("(overflow-inline)");
query_should_be_known("(overflow-inline: none)");
query_should_be_known("(overflow-inline: scroll)");
query_should_be_unknown("overflow-inline");
query_should_be_unknown("(overflow-inline: ?)");
query_should_be_unknown("(overflow-inline: 10px)");
query_should_be_unknown("(overflow-inline: 0)");
query_should_be_known("(overflow-block)");
query_should_be_known("(overflow-block: none)");
query_should_be_known("(overflow-block: scroll)");
query_should_be_known("(overflow-block: paged)");
query_should_be_unknown("overflow-block");
query_should_be_unknown("(overflow-block: ?)");
query_should_be_unknown("(overflow-block: 10px)");
query_should_be_unknown("(overflow-block: 0)");
test(() => {
let match_standard = window.matchMedia("(overflow-inline: scroll)");
assert_true(match_standard.matches);
}, "Check that overflow-inline: scroll always matches non printing documents");
test(() => {
let match_standard = window.matchMedia("(overflow-block: scroll)");
assert_true(match_standard.matches);
}, "Check that overflow-block: scroll always matches non printing documents");
test(() => {
let match_standard = window.matchMedia("(overflow-inline: none)");
assert_false(match_standard.matches);
}, "Check that overflow-inline: none doesn't match non printing documents");
test(() => {
let match_standard = window.matchMedia("(overflow-block: none)");
assert_false(match_standard.matches);
}, "Check that overflow-block: none doesn't match non printing documents");
test(() => {
let match_standard = window.matchMedia("(overflow-block: paged)");
assert_false(match_standard.matches);
}, "Check that overflow-block: paged doesn't match non printing documents");
</script>