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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/xpconnect/tests/unit/test_xpcomutils.js')
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diff --git a/js/xpconnect/tests/unit/test_xpcomutils.js b/js/xpconnect/tests/unit/test_xpcomutils.js
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+/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*-
+ * vim: sw=4 ts=4 sts=4 et
+ * 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/. */
+
+/**
+ * This file tests the methods on XPCOMUtils.jsm.
+ */
+
+Components.utils.import("resource://gre/modules/Preferences.jsm");
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+
+
+////////////////////////////////////////////////////////////////////////////////
+//// Tests
+
+add_test(function test_generateQI_string_names()
+{
+ var x = {
+ QueryInterface: XPCOMUtils.generateQI([
+ Components.interfaces.nsIClassInfo,
+ "nsIDOMNode"
+ ])
+ };
+
+ try {
+ x.QueryInterface(Components.interfaces.nsIClassInfo);
+ } catch(e) {
+ do_throw("Should QI to nsIClassInfo");
+ }
+ try {
+ x.QueryInterface(Components.interfaces.nsIDOMNode);
+ } catch(e) {
+ do_throw("Should QI to nsIDOMNode");
+ }
+ try {
+ x.QueryInterface(Components.interfaces.nsIDOMDocument);
+ do_throw("QI should not have succeeded!");
+ } catch(e) {}
+ run_next_test();
+});
+
+
+add_test(function test_generateCI()
+{
+ const classID = Components.ID("562dae2e-7cff-432b-995b-3d4c03fa2b89");
+ const classDescription = "generateCI test component";
+ const flags = Components.interfaces.nsIClassInfo.DOM_OBJECT;
+ var x = {
+ QueryInterface: XPCOMUtils.generateQI([]),
+ classInfo: XPCOMUtils.generateCI({classID: classID,
+ interfaces: [],
+ flags: flags,
+ classDescription: classDescription})
+ };
+
+ try {
+ var ci = x.QueryInterface(Components.interfaces.nsIClassInfo);
+ ci = ci.QueryInterface(Components.interfaces.nsISupports);
+ ci = ci.QueryInterface(Components.interfaces.nsIClassInfo);
+ do_check_eq(ci.classID, classID);
+ do_check_eq(ci.flags, flags);
+ do_check_eq(ci.classDescription, classDescription);
+ } catch(e) {
+ do_throw("Classinfo for x should not be missing or broken");
+ }
+ run_next_test();
+});
+
+add_test(function test_defineLazyGetter()
+{
+ let accessCount = 0;
+ let obj = {
+ inScope: false
+ };
+ const TEST_VALUE = "test value";
+ XPCOMUtils.defineLazyGetter(obj, "foo", function() {
+ accessCount++;
+ this.inScope = true;
+ return TEST_VALUE;
+ });
+ do_check_eq(accessCount, 0);
+
+ // Get the property, making sure the access count has increased.
+ do_check_eq(obj.foo, TEST_VALUE);
+ do_check_eq(accessCount, 1);
+ do_check_true(obj.inScope);
+
+ // Get the property once more, making sure the access count has not
+ // increased.
+ do_check_eq(obj.foo, TEST_VALUE);
+ do_check_eq(accessCount, 1);
+ run_next_test();
+});
+
+
+add_test(function test_defineLazyServiceGetter()
+{
+ let obj = { };
+ XPCOMUtils.defineLazyServiceGetter(obj, "service",
+ "@mozilla.org/consoleservice;1",
+ "nsIConsoleService");
+ let service = Cc["@mozilla.org/consoleservice;1"].
+ getService(Ci.nsIConsoleService);
+
+ // Check that the lazy service getter and the actual service have the same
+ // properties.
+ for (let prop in obj.service)
+ do_check_true(prop in service);
+ for (let prop in service)
+ do_check_true(prop in obj.service);
+ run_next_test();
+});
+
+
+add_test(function test_defineLazyPreferenceGetter()
+{
+ const PREF = "xpcomutils.test.pref";
+
+ let obj = {};
+ XPCOMUtils.defineLazyPreferenceGetter(obj, "pref", PREF, "defaultValue");
+
+
+ equal(obj.pref, "defaultValue", "Should return the default value before pref is set");
+
+ Preferences.set(PREF, "currentValue");
+
+
+ do_print("Create second getter on new object");
+
+ obj = {};
+ XPCOMUtils.defineLazyPreferenceGetter(obj, "pref", PREF, "defaultValue");
+
+
+ equal(obj.pref, "currentValue", "Should return the current value on initial read when pref is already set");
+
+ Preferences.set(PREF, "newValue");
+
+ equal(obj.pref, "newValue", "Should return new value after preference change");
+
+ Preferences.set(PREF, "currentValue");
+
+ equal(obj.pref, "currentValue", "Should return new value after second preference change");
+
+
+ Preferences.reset(PREF);
+
+ equal(obj.pref, "defaultValue", "Should return default value after pref is reset");
+
+ run_next_test();
+});
+
+
+add_test(function test_categoryRegistration()
+{
+ const CATEGORY_NAME = "test-cat";
+ const XULAPPINFO_CONTRACTID = "@mozilla.org/xre/app-info;1";
+ const XULAPPINFO_CID = Components.ID("{fc937916-656b-4fb3-a395-8c63569e27a8}");
+
+ // Create a fake app entry for our category registration apps filter.
+ let tmp = {};
+ Components.utils.import("resource://testing-common/AppInfo.jsm", tmp);
+ let XULAppInfo = tmp.newAppInfo({
+ name: "catRegTest",
+ ID: "{adb42a9a-0d19-4849-bf4d-627614ca19be}",
+ version: "1",
+ platformVersion: "",
+ });
+ let XULAppInfoFactory = {
+ createInstance: function (outer, iid) {
+ if (outer != null)
+ throw Cr.NS_ERROR_NO_AGGREGATION;
+ return XULAppInfo.QueryInterface(iid);
+ }
+ };
+ let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
+ registrar.registerFactory(
+ XULAPPINFO_CID,
+ "XULAppInfo",
+ XULAPPINFO_CONTRACTID,
+ XULAppInfoFactory
+ );
+
+ // Load test components.
+ do_load_manifest("CatRegistrationComponents.manifest");
+
+ const EXPECTED_ENTRIES = new Map([
+ ["CatRegisteredComponent", "@unit.test.com/cat-registered-component;1"],
+ ["CatAppRegisteredComponent", "@unit.test.com/cat-app-registered-component;1"],
+ ]);
+
+ // Verify the correct entries are registered in the "test-cat" category.
+ for (let [name, value] of XPCOMUtils.enumerateCategoryEntries(CATEGORY_NAME)) {
+ print("Verify that the name/value pair exists in the expected entries.");
+ ok(EXPECTED_ENTRIES.has(name));
+ do_check_eq(EXPECTED_ENTRIES.get(name), value);
+ EXPECTED_ENTRIES.delete(name);
+ }
+ print("Check that all of the expected entries have been deleted.");
+ do_check_eq(EXPECTED_ENTRIES.size, 0);
+ run_next_test();
+});
+
+add_test(function test_generateSingletonFactory()
+{
+ const XPCCOMPONENT_CONTRACTID = "@mozilla.org/singletonComponentTest;1";
+ const XPCCOMPONENT_CID = Components.ID("{31031c36-5e29-4dd9-9045-333a5d719a3e}");
+
+ function XPCComponent() {}
+ XPCComponent.prototype = {
+ classID: XPCCOMPONENT_CID,
+ _xpcom_factory: XPCOMUtils.generateSingletonFactory(XPCComponent),
+ QueryInterface: XPCOMUtils.generateQI([])
+ };
+ let NSGetFactory = XPCOMUtils.generateNSGetFactory([XPCComponent]);
+ let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
+ registrar.registerFactory(
+ XPCCOMPONENT_CID,
+ "XPCComponent",
+ XPCCOMPONENT_CONTRACTID,
+ NSGetFactory(XPCCOMPONENT_CID)
+ );
+
+ // First, try to instance the component.
+ let instance = Cc[XPCCOMPONENT_CONTRACTID].createInstance(Ci.nsISupports);
+ // Try again, check that it returns the same instance as before.
+ do_check_eq(instance,
+ Cc[XPCCOMPONENT_CONTRACTID].createInstance(Ci.nsISupports));
+ // Now, for sanity, check that getService is also returning the same instance.
+ do_check_eq(instance,
+ Cc[XPCCOMPONENT_CONTRACTID].getService(Ci.nsISupports));
+
+ run_next_test();
+});
+
+////////////////////////////////////////////////////////////////////////////////
+//// Test Runner
+
+function run_test()
+{
+ run_next_test();
+}