The Tor Browser: dom/bluetooth/tests/marionette/test_dom_BluetoothManager

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-

     2  * vim: sw=2 ts=2 sts=2 et filetype=javascript

     3  * This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,

     5  * You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 MARIONETTE_TIMEOUT = 60000;

     8 MARIONETTE_HEAD_JS = 'head.js';

    10 function waitEitherEnabledOrDisabled() {

    11   let deferred = Promise.defer();

    13   function onEnabledDisabled(aEvent) {

    14     bluetoothManager.removeEventListener("adapteradded", onEnabledDisabled);

    15     bluetoothManager.removeEventListener("disabled", onEnabledDisabled);

    17     ok(true, "Got event " + aEvent.type);

    18     deferred.resolve(aEvent.type === "adapteradded");

    19   }

    21   // Listen 'adapteradded' rather than 'enabled' since the current API can't

    22   // disable BT before the BT adapter is initialized.

    23   // We should listen to 'enabled' when gecko can handle the case I mentioned

    24   // above, please refer to the follow-up bug 973482.

    25   bluetoothManager.addEventListener("adapteradded", onEnabledDisabled);

    26   bluetoothManager.addEventListener("disabled", onEnabledDisabled);

    28   return deferred.promise;

    29 }

    31 function test(aEnabled) {

    32   log("Testing 'bluetooth.enabled' => " + aEnabled);

    34   let deferred = Promise.defer();

    36   // Ensures that we can always receive that "enabled"/"disabled" event by

    37   // installing the event handler *before* we ever enable/disable Bluetooth. Or

    38   // we might just miss those events and get a timeout error.

    39   let promises = [];

    40   promises.push(waitEitherEnabledOrDisabled());

    41   promises.push(setBluetoothEnabled(aEnabled));

    42   Promise.all(promises)

    43     .then(function(aResults) {

    44       /* aResults is an array of two elements:

    45        *   [ <result of waitEitherEnabledOrDisabled>,

    46        *     <result of setBluetoothEnabled>]

    47        */

    48       log("  Examine results " + JSON.stringify(aResults));

    50       is(bluetoothManager.enabled, aEnabled, "bluetoothManager.enabled");

    51       is(aResults[0], aEnabled, "'adapteradded' event received");

    53       if (bluetoothManager.enabled === aEnabled && aResults[0] === aEnabled) {

    54         deferred.resolve();

    55       } else {

    56         deferred.reject();

    57       }

    58     });

    60   return deferred.promise;

    61 }

    63 startBluetoothTestBase(["settings-read", "settings-write"],

    64                        function testCaseMain() {

    65   return getBluetoothEnabled()

    66     .then(function(aEnabled) {

    67       log("Original 'bluetooth.enabled' is " + aEnabled);

    68       // Set to !aEnabled and reset back to aEnabled.

    69       return test(!aEnabled).then(test.bind(null, aEnabled));

    70     });

    71 });

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