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Diffstat (limited to 'tools/addon-sdk-1.3/packages/api-utils/tests/test-unload.js')
-rw-r--r-- | tools/addon-sdk-1.3/packages/api-utils/tests/test-unload.js | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/tools/addon-sdk-1.3/packages/api-utils/tests/test-unload.js b/tools/addon-sdk-1.3/packages/api-utils/tests/test-unload.js new file mode 100644 index 0000000..2f90b43 --- /dev/null +++ b/tools/addon-sdk-1.3/packages/api-utils/tests/test-unload.js @@ -0,0 +1,195 @@ +/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:set ts=2 sw=2 sts=2 et: */ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * The Original Code is Jetpack. + * + * The Initial Developer of the Original Code is + * the Mozilla Foundation. + * Portions created by the Initial Developer are Copyright (C) 2010 + * the Initial Developer. All Rights Reserved. + * + * Contributor(s): + * Atul Varma <atul@mozilla.com> (Original Author) + * Drew Willcoxon <adw@mozilla.com> + * Erik Vold <erikvvold@gmail.com> + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ + +var unload = require("unload"); + +exports.testUnloading = function(test) { + var loader = test.makeSandboxedLoader(); + var ul = loader.require("unload"); + var unloadCalled = 0; + var errorsReported = 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(undefined, function onError() { errorsReported++; }); + test.assertEqual(unloadCalled, 2, + "Unloader functions are called on unload."); + test.assertEqual(errorsReported, 1, + "One unload handler threw exception"); +}; + +exports.testEnsure = function(test) { + test.assertRaises(function() { unload.ensure({}); }, + "object has no 'unload' property", + "passing obj with no unload prop should fail"); + test.assertRaises(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(); + test.assertEqual(called, 1, + "unload() should be called"); + obj.unload(); + test.assertEqual(called, 1, + "unload() should be called only once"); +}; + +/** + * Check that destructors are called only once with Traits. + * - check that public API is calling the destructor and unregister it, + * - check that composed traits with multiple ensure calls, leads to only + * one destructor call. + */ +exports.testEnsureWithTraits = function(test) { + + let { Trait } = require("traits"); + let loader = test.makeSandboxedLoader(); + let ul = loader.require("unload"); + + let called = 0; + let composedCalled = 0; + let composedTrait = Trait.compose({ + constructor: function () { + // We have to give "public interface" of this trait, as we want to + // call public `unload` method and ensure that we call it only once, + // either when we call this public function manually or on add-on unload + ul.ensure(this._public); + }, + unload: function unload() { + composedCalled++; + } + }); + let obj = Trait.compose( + composedTrait.resolve({ + constructor: "_constructor", + unload : "_unload" + }), { + constructor: function constructor() { + // Same thing applies here, we need to pass public interface + ul.ensure(this._public); + this._constructor(); + }, + unload: function unload() { + called++; + this._unload(); + } + })(); + + obj.unload(); + test.assertEqual(called, 1, + "unload() should be called"); + + test.assertEqual(composedCalled, 1, + "composed object unload() should be called"); + + obj.unload(); + test.assertEqual(called, 1, + "unload() should be called only once"); + test.assertEqual(composedCalled, 1, + "composed object unload() should be called only once"); + + loader.unload(); + test.assertEqual(called, 1, + "unload() should be called only once, after addon unload"); + test.assertEqual(composedCalled, 1, + "composed object unload() should be called only once, " + + "after addon unload"); +}; + +exports.testEnsureWithTraitsPrivate = function(test) { + + let { Trait } = require("traits"); + let loader = test.makeSandboxedLoader(); + let ul = loader.require("unload"); + + let called = 0; + let privateObj = null; + let obj = Trait.compose({ + constructor: function constructor() { + // This time wa don't have to give public interface, + // as we want to call a private method: + ul.ensure(this, "_unload"); + privateObj = this; + }, + _unload: function unload() { + called++; + this._unload(); + } + })(); + + loader.unload(); + test.assertEqual(called, 1, + "unload() should be called"); + + privateObj._unload(); + test.assertEqual(called, 1, + "_unload() should be called only once, after addon unload"); +}; + +exports.testReason = function (test) { + var reason = "Reason doesn't actually have to be anything in particular."; + var loader = test.makeSandboxedLoader(); + var ul = loader.require("unload"); + ul.when(function (rsn) { + test.assertEqual(rsn, reason, + "when() reason should be reason given to loader"); + }); + var obj = { + unload: function (rsn) { + test.assertEqual(rsn, reason, + "ensure() reason should be reason given to loader"); + } + }; + ul.ensure(obj); + loader.unload(reason); +}; |