The Tor Browser: addon-sdk/source/test/test-namespace.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 "use strict";

     7 const { ns } = require("sdk/core/namespace");

     8 const { Cc, Ci, Cu } = require("chrome");

     9 const { setTimeout } = require("sdk/timers")

    11 exports["test post GC references"] = function (assert, done) {

    12   var target = {}, local = ns()

    13   local(target).there = true

    15   assert.equal(local(target).there, true, "namespaced preserved");

    17   Cu.schedulePreciseGC(function() {

    18     assert.equal(local(target).there, true, "namespace is preserved post GC");

    19     done();

    20   });

    21 };

    23 exports["test namsepace basics"] = function(assert) {

    24   var privates = ns();

    25   var object = { foo: function foo() { return "hello foo"; } };

    27   assert.notEqual(privates(object), object,

    28                   "namespaced object is not the same");

    29   assert.ok(!('foo' in privates(object)),

    30             "public properties are not in the namespace");

    32   assert.equal(privates(object), privates(object),

    33                "same namespaced object is returned on each call");

    34 };

    36 exports["test namespace overlays"] = function(assert) {

    37   var _ = ns();

    38   var object = { foo: 'foo' };

    40   _(object).foo = 'bar';

    42   assert.equal(_(object).foo, "bar",

    43                "namespaced property `foo` changed value");

    45   assert.equal(object.foo, "foo",

    46                "public property `foo` has original value");

    48   object.foo = "baz";

    49   assert.equal(_(object).foo, "bar",

    50                "property changes do not affect namespaced properties");

    52   object.bar = "foo";

    53   assert.ok(!("bar" in _(object)),

    54               "new public properties are not reflected in namespace");

    55 };

    57 exports["test shared namespaces"] = function(assert) {

    58   var _ = ns();

    60   var f1 = { hello: 1 };

    61   var f2 = { foo: 'foo', hello: 2 };

    62   _(f1).foo = _(f2).foo = 'bar';

    64   assert.equal(_(f1).hello, _(f2).hello, "namespace can be shared");

    65   assert.notEqual(f1.hello, _(f1).hello, "shared namespace can overlay");

    66   assert.notEqual(f2.hello, _(f2).hello, "target is not affected");

    68   _(f1).hello = 3;

    70   assert.notEqual(_(f1).hello, _(f2).hello,

    71                   "namespaced property can be overided");

    72   assert.equal(_(f2).hello, _({}).hello, "namespace does not change");

    73 };

    75 exports["test multi namespace"] = function(assert) {

    76   var n1 = ns();

    77   var n2 = ns();

    78   var object = { baz: 1 };

    79   n1(object).foo = 1;

    80   n2(object).foo = 2;

    81   n1(object).bar = n2(object).bar = 3;

    83   assert.notEqual(n1(object).foo, n2(object).foo,

    84                   "object can have multiple namespaces");

    85   assert.equal(n1(object).bar, n2(object).bar,

    86                "object can have matching props in diff namespaces");

    87 };

    89 exports["test ns alias"] = function(assert) {

    90   assert.strictEqual(ns, require('sdk/core/namespace').Namespace,

    91                       "ns is an alias of Namespace");

    92 };

    94 exports["test ns inheritance"] = function(assert) {

    95   let _ = ns();

    97   let prototype = { level: 1 };

    98   let object = Object.create(prototype);

    99   let delegee = Object.create(object);

   101   _(prototype).foo = {};

   103   assert.ok(!Object.prototype.hasOwnProperty.call(_(delegee), "foo"),

   104             "namespaced property is not copied to descendants");

   105   assert.equal(_(delegee).foo, _(prototype).foo,

   106                "namespaced properties are inherited by descendants");

   108   _(object).foo = {};

   109   assert.notEqual(_(object).foo, _(prototype).foo,

   110                   "namespaced properties may be shadowed");

   111   assert.equal(_(object).foo, _(delegee).foo,

   112                "shadwed properties are inherited by descendants");

   114   _(object).bar = {};

   115   assert.ok(!("bar" in _(prototype)),

   116             "descendants properties are not copied to ancestors");

   117   assert.ok(_(object).bar, _(delegee).bar,

   118             "descendants properties are inherited");

   119 };

   121 require("test").run(exports);

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