tenfourfox/addon-sdk/source/test/test-unload.js
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

72 lines
2.3 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
var unload = require("sdk/system/unload");
var { Loader, LoaderWithHookedConsole } = require("sdk/test/loader");
exports.testUnloading = function(assert) {
let { loader, messages } = LoaderWithHookedConsole(module);
var ul = loader.require("sdk/system/unload");
var unloadCalled = 0;
function unload() {
unloadCalled++;
throw new Error("error");
}
ul.when(unload);
// This should be ignored, as we already registered it
ul.when(unload);
function unload2() { unloadCalled++; }
ul.when(unload2);
loader.unload();
assert.equal(unloadCalled, 2,
"Unloader functions are called on unload.");
assert.equal(messages.length, 1,
"One unload handler threw exception 1/2");
assert.equal(messages[0].type, "exception",
"One unload handler threw exception 2/2");
};
exports.testEnsure = function(assert) {
assert.throws(function() { unload.ensure({}); },
/object has no 'unload' property/,
"passing obj with no unload prop should fail");
assert.throws(function() { unload.ensure({}, "destroy"); },
/object has no 'destroy' property/,
"passing obj with no custom unload prop should fail");
var called = 0;
var obj = {unload: function() { called++; }};
unload.ensure(obj);
obj.unload();
assert.equal(called, 1,
"unload() should be called");
obj.unload();
assert.equal(called, 1,
"unload() should be called only once");
};
exports.testReason = function (assert) {
var reason = "Reason doesn't actually have to be anything in particular.";
var loader = Loader(module);
var ul = loader.require("sdk/system/unload");
ul.when(function (rsn) {
assert.equal(rsn, reason,
"when() reason should be reason given to loader");
});
var obj = {
unload: function (rsn) {
assert.equal(rsn, reason,
"ensure() reason should be reason given to loader");
}
};
ul.ensure(obj);
loader.unload(reason);
};
require("sdk/test").run(exports);