navigation-controls.tentative.html

Enable keyboard shortcuts

This test has a WPT meta file that expects 4 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /css/mediaqueries/navigation-controls.tentative.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<link rel="help" href="https://github.com/fallaciousreasoning/backbutton-mediaquery/blob/master/explainer.md" />

<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("(navigation-controls)");

    query_should_be_known("(navigation-controls: none)");

    query_should_be_known("(navigation-controls: back-button)");

    query_should_be_unknown("(navigation-controls: none back-button)");

    query_should_be_unknown("(navigation-controls: back-button/none)");

    test(() => {

        let booleanContext = window.matchMedia("(navigation-controls)");

        let none = window.matchMedia("(navigation-controls: none)");

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

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

</script>