forced-colors.html

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /css/mediaqueries/forced-colors.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<link rel="help" href="https://drafts.csswg.org/mediaqueries-5/#forced-colors" />

<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("(forced-colors)");

query_should_be_known("(forced-colors: none)");

query_should_be_known("(forced-colors: active)");

query_should_be_unknown("(forced-colors: 0)");

query_should_be_unknown("(forced-colors: no-preference)");

query_should_be_unknown("(forced-colors: 10px)");

query_should_be_unknown("(forced-colors: active 0)");

query_should_be_unknown("(forced-colors: none active)");

query_should_be_unknown("(forced-colors: active/none)");

test(() => {

  let booleanContext = window.matchMedia("(forced-colors)");

  let none = window.matchMedia("(forced-colors: none)");

  assert_equals(booleanContext.matches, !none.matches);

}, "Check that none evaluates to false in the boolean context");

</script>