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// META: script=/resources/testdriver.js
// META: script=/resources/testdriver-vendor.js
// META: script=/bluetooth/resources/bluetooth-test.js
// META: script=/bluetooth/resources/bluetooth-fake-devices.js
'use strict';
const test_desc = 'getAvailability() resolves with false after the powered ' +
'on adapter is removed.';
bluetooth_test(async () => {
const fake_central =
await navigator.bluetooth.test.simulateCentral({state: 'powered-on'});
let availability = await navigator.bluetooth.getAvailability();
assert_true(
availability,
'getAvailability() resolves promise with true when adapter is powered ' +
'on and it supports Bluetooth Low-Energy.');
await fake_central.setState('absent');
availability = await navigator.bluetooth.getAvailability();
assert_false(
availability,
'getAvailability() resolves promise with false after adapter has been ' +
'has been removed.');
}, test_desc);