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123 lines
3.8 KiB
JavaScript
123 lines
3.8 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const { ns } = require("sdk/core/namespace");
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const { Cc, Ci, Cu } = require("chrome");
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const { setTimeout } = require("sdk/timers")
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exports["test post GC references"] = function (assert, done) {
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var target = {}, local = ns()
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local(target).there = true
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assert.equal(local(target).there, true, "namespaced preserved");
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setTimeout(function() {
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Cu.forceGC();
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assert.equal(local(target).there, true, "namespace is preserved post GC");
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done();
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}, 300);
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};
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exports["test namsepace basics"] = function(assert) {
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var privates = ns();
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var object = { foo: function foo() { return "hello foo"; } };
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assert.notEqual(privates(object), object,
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"namespaced object is not the same");
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assert.ok(!('foo' in privates(object)),
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"public properties are not in the namespace");
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assert.equal(privates(object), privates(object),
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"same namespaced object is returned on each call");
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};
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exports["test namespace overlays"] = function(assert) {
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var _ = ns();
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var object = { foo: 'foo' };
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_(object).foo = 'bar';
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assert.equal(_(object).foo, "bar",
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"namespaced property `foo` changed value");
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assert.equal(object.foo, "foo",
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"public property `foo` has original value");
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object.foo = "baz";
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assert.equal(_(object).foo, "bar",
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"property changes do not affect namespaced properties");
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object.bar = "foo";
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assert.ok(!("bar" in _(object)),
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"new public properties are not reflected in namespace");
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};
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exports["test shared namespaces"] = function(assert) {
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var _ = ns();
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var f1 = { hello: 1 };
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var f2 = { foo: 'foo', hello: 2 };
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_(f1).foo = _(f2).foo = 'bar';
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assert.equal(_(f1).hello, _(f2).hello, "namespace can be shared");
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assert.notEqual(f1.hello, _(f1).hello, "shared namespace can overlay");
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assert.notEqual(f2.hello, _(f2).hello, "target is not affected");
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_(f1).hello = 3;
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assert.notEqual(_(f1).hello, _(f2).hello,
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"namespaced property can be overided");
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assert.equal(_(f2).hello, _({}).hello, "namespace does not change");
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};
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exports["test multi namespace"] = function(assert) {
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var n1 = ns();
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var n2 = ns();
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var object = { baz: 1 };
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n1(object).foo = 1;
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n2(object).foo = 2;
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n1(object).bar = n2(object).bar = 3;
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assert.notEqual(n1(object).foo, n2(object).foo,
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"object can have multiple namespaces");
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assert.equal(n1(object).bar, n2(object).bar,
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"object can have matching props in diff namespaces");
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};
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exports["test ns alias"] = function(assert) {
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assert.strictEqual(ns, require('sdk/core/namespace').Namespace,
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"ns is an alias of Namespace");
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};
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exports["test ns inheritance"] = function(assert) {
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let _ = ns();
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let prototype = { level: 1 };
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let object = Object.create(prototype);
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let delegee = Object.create(object);
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_(prototype).foo = {};
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assert.ok(!Object.prototype.hasOwnProperty.call(_(delegee), "foo"),
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"namespaced property is not copied to descendants");
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assert.equal(_(delegee).foo, _(prototype).foo,
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"namespaced properties are inherited by descendants");
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_(object).foo = {};
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assert.notEqual(_(object).foo, _(prototype).foo,
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"namespaced properties may be shadowed");
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assert.equal(_(object).foo, _(delegee).foo,
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"shadwed properties are inherited by descendants");
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_(object).bar = {};
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assert.ok(!("bar" in _(prototype)),
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"descendants properties are not copied to ancestors");
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assert.ok(_(object).bar, _(delegee).bar,
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"descendants properties are inherited");
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};
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require("test").run(exports);
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