inverted-colors.html

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

<!DOCTYPE html>

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

<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("(inverted-colors)");

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

query_should_be_known("(inverted-colors: inverted)");

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

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

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

query_should_be_unknown("(inverted-colors: none inverted)");

query_should_be_unknown("(inverted-colors: none/inverted)");

test(() => {

  // https://drafts.csswg.org/mediaqueries-5/#boolean-context

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

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

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

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

test(() => {

  let invalid = window.matchMedia("(inverted-colors: 10px)");

  assert_equals(invalid.matches, false);

}, "Check that invalid evaluates to false");

</script>