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var observers = require("api-utils/observer-service");
var {Cc,Ci} = require("chrome");
const { Loader } = require("./helpers");
exports.testUnloadAndErrorLogging = function(test) {
var prints = [];
var loader = Loader(module, { dump: function print(message) {
prints.push(message);
}});
var sbobsvc = loader.require("api-utils/observer-service");
var timesCalled = 0;
var cb = function(subject, data) {
timesCalled++;
};
var badCb = function(subject, data) {
throw new Error("foo");
};
sbobsvc.add("blarg", cb);
observers.notify("blarg", "yo yo");
test.assertEqual(timesCalled, 1);
sbobsvc.add("narg", badCb);
observers.notify("narg", "yo yo");
var lines = prints[0].split("\n");
test.assertEqual(lines[0], "error: An exception occurred.");
test.assertEqual(lines[1], "Traceback (most recent call last):");
test.assertEqual(lines.slice(-2)[0], "Error: foo");
loader.unload();
observers.notify("blarg", "yo yo");
test.assertEqual(timesCalled, 1);
};
exports.testObserverService = function(test) {
var ios = Cc['@mozilla.org/network/io-service;1']
.getService(Ci.nsIIOService);
var service = Cc["@mozilla.org/observer-service;1"].
getService(Ci.nsIObserverService);
var uri = ios.newURI("http://www.foo.com", null, null);
var timesCalled = 0;
var lastSubject = null;
var lastData = null;
var cb = function(subject, data) {
timesCalled++;
lastSubject = subject;
lastData = data;
};
observers.add("blarg", cb);
service.notifyObservers(uri, "blarg", "some data");
test.assertEqual(timesCalled, 1,
"observer-service.add() should call callback");
test.assertEqual(lastSubject, uri,
"observer-service.add() should pass subject");
test.assertEqual(lastData, "some data",
"observer-service.add() should pass data");
function customSubject() {}
function customData() {}
observers.notify("blarg", customSubject, customData);
test.assertEqual(timesCalled, 2,
"observer-service.notify() should work");
test.assertEqual(lastSubject, customSubject,
"observer-service.notify() should pass+wrap subject");
test.assertEqual(lastData, customData,
"observer-service.notify() should pass data");
observers.remove("blarg", cb);
service.notifyObservers(null, "blarg", "some data");
test.assertEqual(timesCalled, 2,
"observer-service.remove() should work");
};
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