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Bug 934066 - Add a simple parent/child synchronization mechanism for xpcshell tests. r=ted

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This commit is contained in:
Josh Matthews 2013-11-02 09:37:46 -04:00
parent 26c0110ca6
commit 2de3a805b5
3 changed files with 57 additions and 7 deletions
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21
dom/tests/unit/test_geolocation_reset_accuracy.js
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@ -32,6 +32,7 @@ var provider = {
this._isHigh = enable; this._isHigh = enable;
if (enable) { if (enable) {
this._seenHigh = true; this._seenHigh = true;
do_execute_soon(stop_high_accuracy_watch);
} }
}, },
_isHigh: false, _isHigh: false,
@ -58,6 +59,9 @@ function errorCallback()
do_test_finished(); do_test_finished();
} }
var geolocation;
var watchID2;
function run_test() function run_test()
{ {
if (runningInParent) { if (runningInParent) {
@ -78,18 +82,21 @@ function run_test()
prefs.setBoolPref("geo.wifi.scan", false); prefs.setBoolPref("geo.wifi.scan", false);
} }
let geolocation = Cc["@mozilla.org/geolocation;1"].createInstance(Ci.nsISupports);
do_test_pending(); do_test_pending();
geolocation = Cc["@mozilla.org/geolocation;1"].createInstance(Ci.nsISupports);
let watchID1 = geolocation.watchPosition(successCallback, errorCallback); let watchID1 = geolocation.watchPosition(successCallback, errorCallback);
let watchID2 = geolocation.watchPosition(successCallback, errorCallback, watchID2 = geolocation.watchPosition(successCallback, errorCallback,
{enableHighAccuracy: true}); {enableHighAccuracy: true});
do_timeout(5000, function() { if (!runningInParent) {
do_await_remote_message('high_acc_enabled', stop_high_accuracy_watch);
}
}
function stop_high_accuracy_watch() {
geolocation.clearWatch(watchID2); geolocation.clearWatch(watchID2);
do_timeout(1000, check_results); check_results();
});
} }
function check_results() function check_results()

1
dom/tests/unit/test_geolocation_reset_accuracy_wrap.js
View File

@ -32,6 +32,7 @@ var provider = {
this._isHigh = enable; this._isHigh = enable;
if (enable) { if (enable) {
this._seenHigh = true; this._seenHigh = true;
do_send_remote_message('high_acc_enabled');
} }
}, },
_isHigh: false, _isHigh: false,

42
testing/xpcshell/head.js
View File

@ -1237,6 +1237,48 @@ function run_test_in_child(testFile, optionalCallback)
callback); callback);
} }
/**
* Execute a given function as soon as a particular cross-process message is received.
* Must be paired with do_send_remote_message or equivalent ProcessMessageManager calls.
*/
function do_await_remote_message(name, callback)
{
var listener = {
receiveMessage: function(message) {
if (message.name == name) {
mm.removeMessageListener(name, listener);
callback();
do_test_finished();
}
}
};
var mm;
if (runningInParent) {
mm = Cc["@mozilla.org/parentprocessmessagemanager;1"].getService(Ci.nsIMessageBroadcaster);
} else {
mm = Cc["@mozilla.org/childprocessmessagemanager;1"].getService(Ci.nsISyncMessageSender);
}
do_test_pending();
mm.addMessageListener(name, listener);
}
/**
* Asynchronously send a message to all remote processes. Pairs with do_await_remote_message
* or equivalent ProcessMessageManager listeners.
*/
function do_send_remote_message(name) {
var mm;
var sender;
if (runningInParent) {
mm = Cc["@mozilla.org/parentprocessmessagemanager;1"].getService(Ci.nsIMessageBroadcaster);
sender = 'broadcastAsyncMessage';
} else {
mm = Cc["@mozilla.org/childprocessmessagemanager;1"].getService(Ci.nsISyncMessageSender);
sender = 'sendAsyncMessage';
}
mm[sender](name);
}
/** /**
* Add a test function to the list of tests that are to be run asynchronously. * Add a test function to the list of tests that are to be run asynchronously.