The Tor Browser: dom/telephony/test/marionette/head.js@6474c204b198 (annotated)

dom/telephony/test/marionette/head.js@6474c204b198 (annotated)

dom/telephony/test/marionette/head.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /* Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/publicdomain/zero/1.0/ */
 let Promise = SpecialPowers.Cu.import("resource://gre/modules/Promise.jsm").Promise;
 let telephony;
 let conference;
 /**
  * Emulator helper.
  */
 let emulator = (function() {
   let pendingCmdCount = 0;
   let originalRunEmulatorCmd = runEmulatorCmd;
   // Overwritten it so people could not call this function directly.
   runEmulatorCmd = function() {
     throw "Use emulator.run(cmd, callback) instead of runEmulatorCmd";
   };
   function run(cmd, callback) {
     pendingCmdCount++;
     originalRunEmulatorCmd(cmd, function(result) {
       pendingCmdCount--;
       if (callback && typeof callback === "function") {
         callback(result);
       }
     });
   }
   /**
    * @return Promise
    */
   function waitFinish() {
     let deferred = Promise.defer();
     waitFor(function() {
       deferred.resolve();
     }, function() {
       return pendingCmdCount === 0;
     });
     return deferred.promise;
   }
   return {
     run: run,
     waitFinish: waitFinish
   };
 }());
 // Delay 1s before each telephony.dial()
 // The workaround here should be removed after bug 1005816.
 let originalDial;
 function delayTelephonyDial() {
   originalDial = telephony.dial;
   telephony.dial = function(number, serviceId) {
     let deferred = Promise.defer();
     let startTime = Date.now();
     waitFor(function() {
       originalDial.call(telephony, number, serviceId).then(call => {
         deferred.resolve(call);
       }, cause => {
         deferred.reject(cause);
       });
     }, function() {
       duration = Date.now() - startTime;
       return (duration >= 1000);
     });
     return deferred.promise;
   };
 }
 function restoreTelephonyDial() {
   telephony.dial = originalDial;
 }
 /**
  * Telephony related helper functions.
  */
 (function() {
   /**
    * @return Promise
    */
   function clearCalls() {
     let deferred = Promise.defer();
     log("Clear existing calls.");
     emulator.run("gsm clear", function(result) {
       if (result[0] == "OK") {
         waitFor(function() {
           deferred.resolve();
         }, function() {
           return telephony.calls.length === 0;
         });
       } else {
         log("Failed to clear existing calls.");
         deferred.reject();
       }
     });
     return deferred.promise;
   }
   /**
    * Provide a string with format of the emulator call list result.
    *
    * @param prefix
    *        Possible values are "outbound" and "inbound".
    * @param number
    *        Call number.
    * @return A string with format of the emulator call list result.
    */
   function callStrPool(prefix, number) {
     let padding = "           : ";
     let numberInfo = prefix + number + padding.substr(number.length);
     let info = {};
     let states = ['ringing', 'incoming', 'active', 'held'];
     for (let state of states) {
       info[state] = numberInfo + state;
     }
     return info;
   }
   /**
    * Provide a corresponding string of an outgoing call. The string is with
    * format of the emulator call list result.
    *
    * @param number
    *        Number of an outgoing call.
    * @return A string with format of the emulator call list result.
    */
   function outCallStrPool(number) {
     return callStrPool("outbound to  ", number);
   }
   /**
    * Provide a corresponding string of an incoming call. The string is with
    * format of the emulator call list result.
    *
    * @param number
    *        Number of an incoming call.
    * @return A string with format of the emulator call list result.
    */
   function inCallStrPool(number) {
     return callStrPool("inbound from ", number);
   }
   /**
    * Check utility functions.
    */
   function checkInitialState() {
     log("Verify initial state.");
     ok(telephony.calls, 'telephony.call');
     checkTelephonyActiveAndCalls(null, []);
     ok(conference.calls, 'conference.calls');
     checkConferenceStateAndCalls('', []);
   }
   /**
    * Convenient helper to compare a TelephonyCall and a received call event.
    */
   function checkEventCallState(event, call, state) {
     is(call, event.call, "event.call");
     is(call.state, state, "call state");
   }
   /**
    * Convenient helper to check mozTelephony.active and mozTelephony.calls.
    */
   function checkTelephonyActiveAndCalls(active, calls) {
     is(telephony.active, active, "telephony.active");
     is(telephony.calls.length, calls.length, "telephony.calls");
     for (let i = 0; i < calls.length; ++i) {
       is(telephony.calls[i], calls[i]);
     }
   }
   /**
    * Convenient helper to check mozTelephony.conferenceGroup.state and
    * .conferenceGroup.calls.
    */
   function checkConferenceStateAndCalls(state, calls) {
     is(conference.state, state, "conference.state");
     is(conference.calls.length, calls.length, "conference.calls");
     for (let i = 0; i < calls.length; i++) {
       is(conference.calls[i], calls[i]);
     }
   }
   /**
    * Convenient helper to handle *.oncallschanged event.
    *
    * @param container
    *        Representation of "mozTelephony" or "mozTelephony.conferenceGroup."
    * @param containerName
    *        Name of container. Could be an arbitrary string, used for debug
    *        messages only.
    * @param expectedCalls
    *        An array of calls.
    * @param callback
    *        A callback function.
    */
   function check_oncallschanged(container, containerName, expectedCalls,
                                 callback) {
     container.oncallschanged = function(event) {
       log("Received 'callschanged' event for the " + containerName);
       if (event.call) {
         let index = expectedCalls.indexOf(event.call);
         ok(index != -1);
         expectedCalls.splice(index, 1);
         if (expectedCalls.length === 0) {
           container.oncallschanged = null;
           callback();
         }
       }
     };
   }
   /**
    * Convenient helper to handle *.ongroupchange event.
    *
    * @param call
    *        A TelephonyCall object.
    * @param callName
    *        Name of a call. Could be an arbitrary string, used for debug messages
    *        only.
    * @param group
    *        Representation of mozTelephony.conferenceGroup.
    * @param callback
    *        A callback function.
    */
   function check_ongroupchange(call, callName, group, callback) {
     call.ongroupchange = function(event) {
       log("Received 'groupchange' event for the " + callName);
       call.ongroupchange = null;
       is(call.group, group);
       callback();
     };
   }
   /**
    * Convenient helper to handle *.onstatechange event.
    *
    * @param container
    *        Representation of a TelephonyCall or mozTelephony.conferenceGroup.
    * @param containerName
    *        Name of container. Could be an arbitrary string, used for debug messages
    *        only.
    * @param state
    *        A string.
    * @param callback
    *        A callback function.
    */
   function check_onstatechange(container, containerName, state, callback) {
     container.onstatechange = function(event) {
       log("Received 'statechange' event for the " + containerName);
       container.onstatechange = null;
       is(container.state, state);
       callback();
     };
   }
   /**
    * Convenient helper to check the sequence of call state and event handlers.
    *
    * @param state
    *        A string of the expected call state.
    * @param previousEvent
    *        A string of the event that should come before the expected state.
    */
   function StateEventChecker(state, previousEvent) {
     let event = 'on' + state;
     return function(call, callName, callback) {
       call[event] = function() {
         log("Received '" + state + "' event for the " + callName);
         call[event] = null;
         if (previousEvent) {
           // We always clear the event handler when the event is received.
           // Therefore, if the corresponding handler is not existed, the expected
           // previous event has been already received.
           ok(!call[previousEvent]);
         }
         is(call.state, state);
         callback();
       };
     };
   }
   /**
    * Convenient helper to check the call list existing in the emulator.
    *
    * @param expectedCallList
    *        An array of call info with the format of "callStrPool()[state]".
    * @return A deferred promise.
    */
   function checkEmulatorCallList(expectedCallList) {
     let deferred = Promise.defer();
     emulator.run("gsm list", function(result) {
         log("Call list is now: " + result);
         for (let i = 0; i < expectedCallList.length; ++i) {
           is(result[i], expectedCallList[i], "emulator calllist");
         }
         is(result[expectedCallList.length], "OK", "emulator calllist");
         deferred.resolve();
         });
     return deferred.promise;
   }
   /**
    * Super convenient helper to check calls and state of mozTelephony and
    * mozTelephony.conferenceGroup.
    *
    * @param active
    *        A TelephonyCall object. Should be the expected active call.
    * @param calls
    *        An array of TelephonyCall objects. Should be the expected list of
    *        mozTelephony.calls.
    * @param conferenceState
    *        A string. Should be the expected conference state.
    * @param conferenceCalls
    *        An array of TelephonyCall objects. Should be the expected list of
    *        mozTelephony.conferenceGroup.calls.
    */
   function checkState(active, calls, conferenceState, conferenceCalls) {
     checkTelephonyActiveAndCalls(active, calls);
     checkConferenceStateAndCalls(conferenceState, conferenceCalls);
   }
   /**
    * Super convenient helper to check calls and state of mozTelephony and
    * mozTelephony.conferenceGroup as well as the calls existing in the emulator.
    *
    * @param active
    *        A TelephonyCall object. Should be the expected active call.
    * @param calls
    *        An array of TelephonyCall objects. Should be the expected list of
    *        mozTelephony.calls.
    * @param conferenceState
    *        A string. Should be the expected conference state.
    * @param conferenceCalls
    *        An array of TelephonyCall objects. Should be the expected list of
    *        mozTelephony.conferenceGroup.calls.
    * @param callList
    *        An array of call info with the format of "callStrPool()[state]".
    * @return A deferred promise.
    */
   function checkAll(active, calls, conferenceState, conferenceCalls, callList) {
     checkState(active, calls, conferenceState, conferenceCalls);
     return checkEmulatorCallList(callList);
   }
   /**
    * Request utility functions.
    */
   /**
    * Make sure there's no pending event before we jump to the next action.
    *
    * @param received
    *        A string of the received event.
    * @param pending
    *        An array of the pending events.
    * @param nextAction
    *        A callback function that is called when there's no pending event.
    */
   function receivedPending(received, pending, nextAction) {
     let index = pending.indexOf(received);
     if (index != -1) {
       pending.splice(index, 1);
     }
     if (pending.length === 0) {
       nextAction();
     }
   }
   /**
    * Make an outgoing call.
    *
    * @param number
    *        A string.
    * @param serviceId [optional]
    *        Identification of a service. 0 is set as default.
    * @return A deferred promise.
    */
   function dial(number, serviceId) {
     serviceId = typeof serviceId !== "undefined" ? serviceId : 0;
     log("Make an outgoing call: " + number + ", serviceId: " + serviceId);
     let deferred = Promise.defer();
     telephony.dial(number, serviceId).then(call => {
       ok(call);
       is(call.number, number);
       is(call.state, "dialing");
       is(call.serviceId, serviceId);
       call.onalerting = function onalerting(event) {
         call.onalerting = null;
         log("Received 'onalerting' call event.");
         checkEventCallState(event, call, "alerting");
         deferred.resolve(call);
       };
     }, cause => {
       deferred.reject(cause);
     });
     return deferred.promise;
   }
   /**
    * Answer an incoming call.
    *
    * @param call
    *        An incoming TelephonyCall object.
    * @param conferenceStateChangeCallback [optional]
    *        A callback function which is called if answering an incoming call
    *        triggers conference state change.
    * @return A deferred promise.
    */
   function answer(call, conferenceStateChangeCallback) {
     log("Answering the incoming call.");
     let deferred = Promise.defer();
     let done = function() {
       deferred.resolve(call);
     };
     let pending = ["call.onconnected"];
     let receive = function(name) {
       receivedPending(name, pending, done);
     };
     // When there's already a connected conference call, answering a new incoming
     // call triggers conference state change. We should wait for
     // |conference.onstatechange| before checking the state of the conference call.
     if (conference.state === "connected") {
       pending.push("conference.onstatechange");
       check_onstatechange(conference, "conference", "held", function() {
         if (typeof conferenceStateChangeCallback === "function") {
           conferenceStateChangeCallback();
         }
         receive("conference.onstatechange");
       });
     }
     call.onconnecting = function onconnectingIn(event) {
       log("Received 'connecting' call event for incoming call.");
       call.onconnecting = null;
       checkEventCallState(event, call, "connecting");
     };
     call.onconnected = function onconnectedIn(event) {
       log("Received 'connected' call event for incoming call.");
       call.onconnected = null;
       checkEventCallState(event, call, "connected");
       ok(!call.onconnecting);
       receive("call.onconnected");
     };
     call.answer();
     return deferred.promise;
   }
   /**
    * Hold a call.
    *
    * @param call
    *        A TelephonyCall object.
    * @return A deferred promise.
    */
   function hold(call) {
     log("Putting the call on hold.");
     let deferred = Promise.defer();
     let gotHolding = false;
     call.onholding = function onholding(event) {
       log("Received 'holding' call event");
       call.onholding = null;
       checkEventCallState(event, call, "holding");
       gotHolding = true;
     };
     call.onheld = function onheld(event) {
       log("Received 'held' call event");
       call.onheld = null;
       checkEventCallState(event, call, "held");
       ok(gotHolding);
       deferred.resolve(call);
     };
     call.hold();
     return deferred.promise;
   }
   /**
    * Simulate an incoming call.
    *
    * @param number
    *        A string.
    * @return A deferred promise.
    */
   function remoteDial(number) {
     log("Simulating an incoming call.");
     let deferred = Promise.defer();
     telephony.onincoming = function onincoming(event) {
       log("Received 'incoming' call event.");
       telephony.onincoming = null;
       let call = event.call;
       ok(call);
       is(call.number, number);
       is(call.state, "incoming");
       deferred.resolve(call);
     };
     emulator.run("gsm call " + number);
     return deferred.promise;
   }
   /**
    * Remote party answers the call.
    *
    * @param call
    *        A TelephonyCall object.
    * @return A deferred promise.
    */
   function remoteAnswer(call) {
     log("Remote answering the call.");
     let deferred = Promise.defer();
     call.onconnected = function onconnected(event) {
       log("Received 'connected' call event.");
       call.onconnected = null;
       checkEventCallState(event, call, "connected");
       deferred.resolve(call);
     };
     emulator.run("gsm accept " + call.number);
     return deferred.promise;
   }
   /**
    * Remote party hangs up the call.
    *
    * @param call
    *        A TelephonyCall object.
    * @return A deferred promise.
    */
   function remoteHangUp(call) {
     log("Remote hanging up the call.");
     let deferred = Promise.defer();
     call.ondisconnected = function ondisconnected(event) {
       log("Received 'disconnected' call event.");
       call.ondisconnected = null;
       checkEventCallState(event, call, "disconnected");
       deferred.resolve(call);
     };
     emulator.run("gsm cancel " + call.number);
     return deferred.promise;
   }
   /**
    * Remote party hangs up all the calls.
    *
    * @param calls
    *        An array of TelephonyCall objects.
    * @return A deferred promise.
    */
   function remoteHangUpCalls(calls) {
     let promise = Promise.resolve();
     for (let call of calls) {
       promise = promise.then(remoteHangUp.bind(null, call));
     }
     return promise;
   }
   /**
    * Add calls to conference.
    *
    * @param callsToAdd
    *        An array of TelephonyCall objects to be added into conference. The
    *        length of the array should be 1 or 2.
    * @param connectedCallback [optional]
    *        A callback function which is called when conference state becomes
    *        connected.
    * @return A deferred promise.
    */
   function addCallsToConference(callsToAdd, connectedCallback) {
     log("Add " + callsToAdd.length + " calls into conference.");
     let deferred = Promise.defer();
     let done = function() {
       deferred.resolve();
     };
     let pending = ["conference.oncallschanged", "conference.onconnected"];
     let receive = function(name) {
       receivedPending(name, pending, done);
     };
     let check_onconnected  = StateEventChecker('connected', 'onresuming');
     for (let call of callsToAdd) {
       let callName = "callToAdd (" + call.number + ')';
       let ongroupchange = callName + ".ongroupchange";
       pending.push(ongroupchange);
       check_ongroupchange(call, callName, conference,
                           receive.bind(null, ongroupchange));
       let onstatechange = callName + ".onstatechange";
       pending.push(onstatechange);
       check_onstatechange(call, callName, 'connected',
                           receive.bind(null, onstatechange));
     }
     check_oncallschanged(conference, 'conference', callsToAdd,
                          receive.bind(null, "conference.oncallschanged"));
     check_onconnected(conference, "conference", function() {
       ok(!conference.oncallschanged);
       if (typeof connectedCallback === 'function') {
         connectedCallback();
       }
       receive("conference.onconnected");
     });
     // Cannot use apply() through webidl, so just separate the cases to handle.
     if (callsToAdd.length == 2) {
       conference.add(callsToAdd[0], callsToAdd[1]);
     } else {
       conference.add(callsToAdd[0]);
     }
     return deferred.promise;
   }
   /**
    * Hold the conference.
    *
    * @param calls
    *        An array of TelephonyCall objects existing in conference.
    * @param heldCallback [optional]
    *        A callback function which is called when conference state becomes
    *        held.
    * @return A deferred promise.
    */
   function holdConference(calls, heldCallback) {
     log("Holding the conference call.");
     let deferred = Promise.defer();
     let done = function() {
       deferred.resolve();
     };
     let pending = ["conference.onholding", "conference.onheld"];
     let receive = function(name) {
       receivedPending(name, pending, done);
     };
     let check_onholding = StateEventChecker('holding', null);
     let check_onheld = StateEventChecker('held', 'onholding');
     for (let call of calls) {
       let callName = "call (" + call.number + ')';
       let onholding = callName + ".onholding";
       pending.push(onholding);
       check_onholding(call, callName, receive.bind(null, onholding));
       let onheld = callName + ".onheld";
       pending.push(onheld);
       check_onheld(call, callName, receive.bind(null, onheld));
     }
     check_onholding(conference, "conference",
                     receive.bind(null, "conference.onholding"));
     check_onheld(conference, "conference", function() {
       if (typeof heldCallback === 'function') {
         heldCallback();
       }
       receive("conference.onheld");
     });
     conference.hold();
     return deferred.promise;
   }
   /**
    * Resume the conference.
    *
    * @param calls
    *        An array of TelephonyCall objects existing in conference.
    * @param connectedCallback [optional]
    *        A callback function which is called when conference state becomes
    *        connected.
    * @return A deferred promise.
    */
   function resumeConference(calls, connectedCallback) {
     log("Resuming the held conference call.");
     let deferred = Promise.defer();
     let done = function() {
       deferred.resolve();
     };
     let pending = ["conference.onresuming", "conference.onconnected"];
     let receive = function(name) {
       receivedPending(name, pending, done);
     };
     let check_onresuming   = StateEventChecker('resuming', null);
     let check_onconnected  = StateEventChecker('connected', 'onresuming');
     for (let call of calls) {
       let callName = "call (" + call.number + ')';
       let onresuming = callName + ".onresuming";
       pending.push(onresuming);
       check_onresuming(call, callName, receive.bind(null, onresuming));
       let onconnected = callName + ".onconnected";
       pending.push(onconnected);
       check_onconnected(call, callName, receive.bind(null, onconnected));
     }
     check_onresuming(conference, "conference",
                      receive.bind(null, "conference.onresuming"));
     check_onconnected(conference, "conference", function() {
       if (typeof connectedCallback === 'function') {
         connectedCallback();
       }
       receive("conference.onconnected");
     });
     conference.resume();
     return deferred.promise;
   }
   /**
    * Remove a call out of conference.
    *
    * @param callToRemove
    *        A TelephonyCall object existing in conference.
    * @param autoRemovedCalls
    *        An array of TelephonyCall objects which is going to be automatically
    *        removed. The length of the array should be 0 or 1.
    * @param remainedCalls
    *        An array of TelephonyCall objects which remain in conference.
    * @param stateChangeCallback [optional]
    *        A callback function which is called when conference state changes.
    * @return A deferred promise.
    */
   function removeCallInConference(callToRemove, autoRemovedCalls, remainedCalls,
                                   statechangeCallback) {
     log("Removing a participant from the conference call.");
     is(conference.state, 'connected');
     let deferred = Promise.defer();
     let done = function() {
       deferred.resolve();
     };
     let pending = ["callToRemove.ongroupchange", "telephony.oncallschanged",
                    "conference.oncallschanged", "conference.onstatechange"];
     let receive = function(name) {
       receivedPending(name, pending, done);
     };
     // Remained call in conference will be held.
     for (let call of remainedCalls) {
       let callName = "remainedCall (" + call.number + ')';
       let onstatechange = callName + ".onstatechange";
       pending.push(onstatechange);
       check_onstatechange(call, callName, 'held',
                           receive.bind(null, onstatechange));
     }
     // When a call is removed from conference with 2 calls, another one will be
     // automatically removed from group and be put on hold.
     for (let call of autoRemovedCalls) {
       let callName = "autoRemovedCall (" + call.number + ')';
       let ongroupchange = callName + ".ongroupchange";
       pending.push(ongroupchange);
       check_ongroupchange(call, callName, null,
                           receive.bind(null, ongroupchange));
       let onstatechange = callName + ".onstatechange";
       pending.push(onstatechange);
       check_onstatechange(call, callName, 'held',
                           receive.bind(null, onstatechange));
     }
     check_ongroupchange(callToRemove, "callToRemove", null, function() {
       is(callToRemove.state, 'connected');
       receive("callToRemove.ongroupchange");
     });
     check_oncallschanged(telephony, 'telephony',
                          autoRemovedCalls.concat(callToRemove),
                          receive.bind(null, "telephony.oncallschanged"));
     check_oncallschanged(conference, 'conference',
                          autoRemovedCalls.concat(callToRemove), function() {
       is(conference.calls.length, remainedCalls.length);
       receive("conference.oncallschanged");
     });
     check_onstatechange(conference, 'conference',
                         (remainedCalls.length ? 'held' : ''), function() {
       ok(!conference.oncallschanged);
       if (typeof statechangeCallback === 'function') {
         statechangeCallback();
       }
       receive("conference.onstatechange");
     });
     conference.remove(callToRemove);
     return deferred.promise;
   }
   /**
    * Hangup a call in conference.
    *
    * @param callToHangUp
    *        A TelephonyCall object existing in conference.
    * @param autoRemovedCalls
    *        An array of TelephonyCall objects which is going to be automatically
    *        removed. The length of the array should be 0 or 1.
    * @param remainedCalls
    *        An array of TelephonyCall objects which remain in conference.
    * @param stateChangeCallback [optional]
    *        A callback function which is called when conference state changes.
    * @return A deferred promise.
    */
   function hangUpCallInConference(callToHangUp, autoRemovedCalls, remainedCalls,
                                   statechangeCallback) {
     log("Release one call in conference.");
     let deferred = Promise.defer();
     let done = function() {
       deferred.resolve();
     };
     let pending = ["conference.oncallschanged", "remoteHangUp"];
     let receive = function(name) {
       receivedPending(name, pending, done);
     };
     // When a call is hang up from conference with 2 calls, another one will be
     // automatically removed from group.
     for (let call of autoRemovedCalls) {
       let callName = "autoRemovedCall (" + call.number + ')';
       let ongroupchange = callName + ".ongroupchange";
       pending.push(ongroupchange);
       check_ongroupchange(call, callName, null,
                           receive.bind(null, ongroupchange));
     }
     if (autoRemovedCalls.length) {
       pending.push("telephony.oncallschanged");
       check_oncallschanged(telephony, 'telephony',
                            autoRemovedCalls,
                            receive.bind(null, "telephony.oncallschanged"));
     }
     check_oncallschanged(conference, 'conference',
                          autoRemovedCalls.concat(callToHangUp), function() {
       is(conference.calls.length, remainedCalls.length);
       receive("conference.oncallschanged");
     });
     if (remainedCalls.length === 0) {
       pending.push("conference.onstatechange");
       check_onstatechange(conference, 'conference', '', function() {
         ok(!conference.oncallschanged);
         if (typeof statechangeCallback === 'function') {
           statechangeCallback();
         }
         receive("conference.onstatechange");
       });
     }
     remoteHangUp(callToHangUp)
       .then(receive.bind(null, "remoteHangUp"));
     return deferred.promise;
   }
   /**
    * Setup a conference with an outgoing call and an incoming call.
    *
    * @param outNumber
    *        Number of an outgoing call.
    * @param inNumber
    *        Number of an incoming call.
    * @return Promise<[outCall, inCall]>
    */
   function setupConferenceTwoCalls(outNumber, inNumber) {
     log('Create conference with two calls.');
     let outCall;
     let inCall;
     let outInfo = outCallStrPool(outNumber);
     let inInfo = inCallStrPool(inNumber);
     return Promise.resolve()
       .then(checkInitialState)
       .then(() => dial(outNumber))
       .then(call => { outCall = call; })
       .then(() => checkAll(outCall, [outCall], '', [], [outInfo.ringing]))
       .then(() => remoteAnswer(outCall))
       .then(() => checkAll(outCall, [outCall], '', [], [outInfo.active]))
       .then(() => remoteDial(inNumber))
       .then(call => { inCall = call; })
       .then(() => checkAll(outCall, [outCall, inCall], '', [],
                            [outInfo.active, inInfo.incoming]))
       .then(() => answer(inCall))
       .then(() => checkAll(inCall, [outCall, inCall], '', [],
                            [outInfo.held, inInfo.active]))
       .then(() => addCallsToConference([outCall, inCall], function() {
         checkState(conference, [], 'connected', [outCall, inCall]);
       }))
       .then(() => checkAll(conference, [], 'connected', [outCall, inCall],
                            [outInfo.active, inInfo.active]))
       .then(() => {
         return [outCall, inCall];
       });
   }
   /**
    * Setup a conference with an outgoing call and two incoming calls.
    *
    * @param outNumber
    *        Number of an outgoing call.
    * @param inNumber
    *        Number of an incoming call.
    * @param inNumber2
    *        Number of an incoming call.
    * @return Promise<[outCall, inCall, inCall2]>
    */
   function setupConferenceThreeCalls(outNumber, inNumber, inNumber2) {
     log('Create conference with three calls.');
     let outCall;
     let inCall;
     let inCall2;
     let outInfo = outCallStrPool(outNumber);
     let inInfo = inCallStrPool(inNumber);
     let inInfo2 = inCallStrPool(inNumber2);
     return Promise.resolve()
       .then(() => setupConferenceTwoCalls(outNumber, inNumber))
       .then(calls => {
           outCall = calls[0];
           inCall = calls[1];
       })
       .then(() => remoteDial(inNumber2))
       .then(call => { inCall2 = call; })
       .then(() => checkAll(conference, [inCall2], 'connected', [outCall, inCall],
                            [outInfo.active, inInfo.active, inInfo2.incoming]))
       .then(() => answer(inCall2, function() {
         checkState(inCall2, [inCall2], 'held', [outCall, inCall]);
       }))
       .then(() => checkAll(inCall2, [inCall2], 'held', [outCall, inCall],
                            [outInfo.held, inInfo.held, inInfo2.active]))
       .then(() => addCallsToConference([inCall2], function() {
         checkState(conference, [], 'connected', [outCall, inCall, inCall2]);
       }))
       .then(() => checkAll(conference, [],
                            'connected', [outCall, inCall, inCall2],
                            [outInfo.active, inInfo.active, inInfo2.active]))
       .then(() => {
         return [outCall, inCall, inCall2];
       });
   }
   /**
    * Setup a conference with an outgoing call and four incoming calls.
    *
    * @param outNumber
    *        Number of an outgoing call.
    * @param inNumber
    *        Number of an incoming call.
    * @param inNumber2
    *        Number of an incoming call.
    * @param inNumber3
    *        Number of an incoming call.
    * @param inNumber4
    *        Number of an incoming call.
    * @return Promise<[outCall, inCall, inCall2, inCall3, inCall4]>
    */
   function setupConferenceFiveCalls(outNumber, inNumber, inNumber2, inNumber3,
                                     inNumber4) {
     log('Create conference with five calls.');
     let outCall;
     let inCall;
     let inCall2;
     let inCall3;
     let inCall4;
     let outInfo = outCallStrPool(outNumber);
     let inInfo = inCallStrPool(inNumber);
     let inInfo2 = inCallStrPool(inNumber2);
     let inInfo3 = inCallStrPool(inNumber3);
     let inInfo4 = inCallStrPool(inNumber4);
     return Promise.resolve()
       .then(() => setupConferenceThreeCalls(outNumber, inNumber, inNumber2))
       .then(calls => {
         [outCall, inCall, inCall2] = calls;
       })
       .then(() => remoteDial(inNumber3))
       .then(call => {inCall3 = call;})
       .then(() => checkAll(conference, [inCall3], 'connected',
                            [outCall, inCall, inCall2],
                            [outInfo.active, inInfo.active, inInfo2.active,
                            inInfo3.incoming]))
       .then(() => answer(inCall3, function() {
         checkState(inCall3, [inCall3], 'held', [outCall, inCall, inCall2]);
       }))
       .then(() => checkAll(inCall3, [inCall3], 'held',
                            [outCall, inCall, inCall2],
                            [outInfo.held, inInfo.held, inInfo2.held,
                             inInfo3.active]))
       .then(() => addCallsToConference([inCall3], function() {
         checkState(conference, [], 'connected', [outCall, inCall, inCall2, inCall3]);
       }))
       .then(() => checkAll(conference, [], 'connected',
                            [outCall, inCall, inCall2, inCall3],
                            [outInfo.active, inInfo.active, inInfo2.active,
                             inInfo3.active]))
       .then(() => remoteDial(inNumber4))
       .then(call => {inCall4 = call;})
       .then(() => checkAll(conference, [inCall4], 'connected',
                            [outCall, inCall, inCall2, inCall3],
                            [outInfo.active, inInfo.active, inInfo2.active,
                             inInfo3.active, inInfo4.incoming]))
       .then(() => answer(inCall4, function() {
         checkState(inCall4, [inCall4], 'held', [outCall, inCall, inCall2, inCall3]);
       }))
       .then(() => checkAll(inCall4, [inCall4], 'held',
                            [outCall, inCall, inCall2, inCall3],
                            [outInfo.held, inInfo.held, inInfo2.held,
                             inInfo3.held, inInfo4.active]))
       .then(() => addCallsToConference([inCall4], function() {
         checkState(conference, [], 'connected', [outCall, inCall, inCall2,
                                                  inCall3, inCall4]);
       }))
       .then(() => checkAll(conference, [], 'connected',
                            [outCall, inCall, inCall2, inCall3, inCall4],
                            [outInfo.active, inInfo.active, inInfo2.active,
                             inInfo3.active, inInfo4.active]))
       .then(() => {
         return [outCall, inCall, inCall2, inCall3, inCall4];
       });
   }
   /**
    * Public members.
    */
   this.gCheckInitialState = checkInitialState;
   this.gClearCalls = clearCalls;
   this.gOutCallStrPool = outCallStrPool;
   this.gInCallStrPool = inCallStrPool;
   this.gCheckState = checkState;
   this.gCheckAll = checkAll;
   this.gDial = dial;
   this.gAnswer = answer;
   this.gHold = hold;
   this.gRemoteDial = remoteDial;
   this.gRemoteAnswer = remoteAnswer;
   this.gRemoteHangUp = remoteHangUp;
   this.gRemoteHangUpCalls = remoteHangUpCalls;
   this.gAddCallsToConference = addCallsToConference;
   this.gHoldConference = holdConference;
   this.gResumeConference = resumeConference;
   this.gRemoveCallInConference = removeCallInConference;
   this.gHangUpCallInConference = hangUpCallInConference;
   this.gSetupConferenceTwoCalls = setupConferenceTwoCalls;
   this.gSetupConferenceThreeCalls = setupConferenceThreeCalls;
   this.gSetupConferenceFiveCalls = setupConferenceFiveCalls;
   this.gReceivedPending = receivedPending;
 }());
 function _startTest(permissions, test) {
   function permissionSetUp() {
     SpecialPowers.setBoolPref("dom.mozSettings.enabled", true);
     for (let per of permissions) {
       SpecialPowers.addPermission(per, true, document);
     }
   }
   function permissionTearDown() {
     SpecialPowers.clearUserPref("dom.mozSettings.enabled");
     for (let per of permissions) {
       SpecialPowers.removePermission(per, document);
     }
   }
   function setUp() {
     log("== Test SetUp ==");
     permissionSetUp();
     // Make sure that we get the telephony after adding permission.
     telephony = window.navigator.mozTelephony;
     ok(telephony);
     delayTelephonyDial();
     conference = telephony.conferenceGroup;
     ok(conference);
     return gClearCalls().then(gCheckInitialState);
   }
   // Extend finish() with tear down.
   finish = (function() {
     let originalFinish = finish;
     function tearDown() {
       log("== Test TearDown ==");
       restoreTelephonyDial();
       emulator.waitFinish()
         .then(permissionTearDown)
         .then(function() {
           originalFinish.apply(this, arguments);
         });
     }
     return tearDown.bind(this);
   }());
   function mainTest() {
     setUp()
       .then(function onSuccess() {
         log("== Test Start ==");
         test();
       }, function onError(error) {
         SpecialPowers.Cu.reportError(error);
         ok(false, "SetUp error");
       });
   }
   mainTest();
 }
 function startTest(test) {
   _startTest(["telephony"], test);
 }
 function startTestWithPermissions(permissions, test) {
   _startTest(permissions.concat("telephony"), test);
 }
 function startDSDSTest(test) {
   let numRIL;
   try {
     numRIL = SpecialPowers.getIntPref("ril.numRadioInterfaces");
   } catch (ex) {
     numRIL = 1;  // Pref not set.
   }
   if (numRIL > 1) {
     startTest(test);
   } else {
     log("Not a DSDS environment. Test is skipped.");
     ok(true);  // We should run at least one test.
     finish();
   }
 }