geolocation/getCurrentPosition-accuracyMode.https.html

<!DOCTYPE html>
<meta charset="utf-8"/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js?feature=bidi"></script>
<script src="/resources/testdriver-vendor.js"></script>

<script>
    const latitude = 51.478;
    const longitude = -0.166;
    const accuracy = 100;
    const altitude = 53;
    const altitudeAccuracy = 30;
    const heading = 10.4;
    const speed = 20.7;

    async function override_geolocation(t) {
        t.add_cleanup(async () => {
            await test_driver.bidi.emulation.set_geolocation_override(
                {coordinates: null});
        });

        await test_driver.bidi.emulation.set_geolocation_override({
            coordinates: {latitude, longitude, accuracy, altitude,
                          altitudeAccuracy, heading, speed}
        });
    }

    promise_setup(async () => {
        // Ensure permission is granted before proceeding.
        await test_driver.bidi.permissions.set_permission({
            descriptor: {name: "geolocation"},
            state: "granted",
        });
    });

  promise_test(async (t) => {
        await override_geolocation(t);

        const position = await new Promise((resolve, reject) => {
            window.navigator.geolocation.getCurrentPosition(
                position => resolve(position.coords.toJSON()),
                reject,
                {accuracyMode: "approximate"}
            );
        });

        // The coordinates are not compared to the emulated values: an approximate position is "coarsened
        // to a larger area", and "What constitutes a coarsened area is left to the underlying system,
        // which in turn can vary per jurisdiction", so an implementation that coarsens cannot be
        // required to return them unchanged. They must still be present.
        assert_equals(typeof position.latitude, "number", "latitude must be a number");
        assert_equals(typeof position.longitude, "number", "longitude must be a number");
        assert_equals(typeof position.accuracy, "number", "accuracy must be a number");
        assert_equals(position.altitude, null);
        assert_equals(position.altitudeAccuracy, null);
        assert_equals(position.heading, null);
        assert_equals(position.speed, null);
    }, 'getCurrentPosition with accuracyMode: "approximate"');

    promise_test(async (t) => {
        await override_geolocation(t);

        const position = await new Promise((resolve, reject) => {
            window.navigator.geolocation.getCurrentPosition(
                position => resolve(position.coords.toJSON()),
                reject,
                {accuracyMode: "precise", enableHighAccuracy: true}
            );
        });

        assert_equals(position.latitude, latitude);
        assert_equals(position.longitude, longitude);
        assert_equals(position.accuracy, accuracy);
        assert_equals(position.altitude, altitude);
        assert_equals(position.altitudeAccuracy, altitudeAccuracy);
        assert_equals(position.heading, heading);
        assert_equals(position.speed, speed);
    }, 'getCurrentPosition with accuracyMode: "precise"');
</script>