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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 = 'concurrent watchAdvertisements() calls results in the ' +
`second call rejecting with 'InvalidStateError'`;
bluetooth_test(async (t) => {
let {device} = await getDiscoveredHealthThermometerDevice();
const watcher = new EventWatcher(t, device, ['advertisementreceived']);
// Start a watchAdvertisements() operation.
let firstWatchAdvertisementsPromise = device.watchAdvertisements();
// Start a second watchAdvertisements() operation. This operation should
// reject with 'InvalidStateError'.
await promise_rejects_dom(
t, 'InvalidStateError', device.watchAdvertisements());
// The first watchAdvertisements() operation should resolve successfully.
await firstWatchAdvertisementsPromise;
let advertisementreceivedPromise = watcher.wait_for('advertisementreceived');
await fake_central.simulateAdvertisementReceived(
health_thermometer_ad_packet);
let evt = await advertisementreceivedPromise;
assert_equals(evt.device, device);
}, test_desc);
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