1 files changed, 120 insertions, 0 deletions
diff --git a/addon-sdk/source/test/test-namespace.js b/addon-sdk/source/test/test-namespace.js
new file mode 100644
index 000000000..636682e9e
--- /dev/null
+++ b/addon-sdk/source/test/test-namespace.js
@@ -0,0 +1,120 @@
+/* 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";
+
+const { ns } = require("sdk/core/namespace");
+const { Cc, Ci, Cu } = require("chrome");
+const { setTimeout } = require("sdk/timers")
+
+exports["test post GC references"] = function (assert, done) {
+  var target = {}, local = ns()
+  local(target).there = true
+
+  assert.equal(local(target).there, true, "namespaced preserved");
+
+  Cu.schedulePreciseGC(function() {
+    assert.equal(local(target).there, true, "namespace is preserved post GC");
+    done();
+  });
+};
+
+exports["test namsepace basics"] = function(assert) {
+  var privates = ns();
+  var object = { foo: function foo() { return "hello foo"; } };
+
+  assert.notEqual(privates(object), object,
+                  "namespaced object is not the same");
+  assert.ok(!('foo' in privates(object)),
+            "public properties are not in the namespace");
+
+  assert.equal(privates(object), privates(object),
+               "same namespaced object is returned on each call");
+};
+
+exports["test namespace overlays"] = function(assert) {
+  var _ = ns();
+  var object = { foo: 'foo' };
+
+  _(object).foo = 'bar';
+
+  assert.equal(_(object).foo, "bar",
+               "namespaced property `foo` changed value");
+
+  assert.equal(object.foo, "foo",
+               "public property `foo` has original value");
+
+  object.foo = "baz";
+  assert.equal(_(object).foo, "bar",
+               "property changes do not affect namespaced properties");
+
+  object.bar = "foo";
+  assert.ok(!("bar" in _(object)),
+              "new public properties are not reflected in namespace");
+};
+
+exports["test shared namespaces"] = function(assert) {
+  var _ = ns();
+
+  var f1 = { hello: 1 };
+  var f2 = { foo: 'foo', hello: 2 };
+  _(f1).foo = _(f2).foo = 'bar';
+
+  assert.equal(_(f1).hello, _(f2).hello, "namespace can be shared");
+  assert.notEqual(f1.hello, _(f1).hello, "shared namespace can overlay");
+  assert.notEqual(f2.hello, _(f2).hello, "target is not affected");
+
+  _(f1).hello = 3;
+
+  assert.notEqual(_(f1).hello, _(f2).hello,
+                  "namespaced property can be overided");
+  assert.equal(_(f2).hello, _({}).hello, "namespace does not change");
+};
+
+exports["test multi namespace"] = function(assert) {
+  var n1 = ns();
+  var n2 = ns();
+  var object = { baz: 1 };
+  n1(object).foo = 1;
+  n2(object).foo = 2;
+  n1(object).bar = n2(object).bar = 3;
+
+  assert.notEqual(n1(object).foo, n2(object).foo,
+                  "object can have multiple namespaces");
+  assert.equal(n1(object).bar, n2(object).bar,
+               "object can have matching props in diff namespaces");
+};
+
+exports["test ns alias"] = function(assert) {
+  assert.strictEqual(ns, require('sdk/core/namespace').Namespace,
+                      "ns is an alias of Namespace");
+};
+
+exports["test ns inheritance"] = function(assert) {
+  let _ = ns();
+
+  let prototype = { level: 1 };
+  let object = Object.create(prototype);
+  let delegee = Object.create(object);
+
+  _(prototype).foo = {};
+
+  assert.ok(!Object.prototype.hasOwnProperty.call(_(delegee), "foo"),
+            "namespaced property is not copied to descendants");
+  assert.equal(_(delegee).foo, _(prototype).foo,
+               "namespaced properties are inherited by descendants");
+
+  _(object).foo = {};
+  assert.notEqual(_(object).foo, _(prototype).foo,
+                  "namespaced properties may be shadowed");
+  assert.equal(_(object).foo, _(delegee).foo,
+               "shadwed properties are inherited by descendants");
+
+  _(object).bar = {};
+  assert.ok(!("bar" in _(prototype)),
+            "descendants properties are not copied to ancestors");
+  assert.ok(_(object).bar, _(delegee).bar,
+            "descendants properties are inherited");
+};
+
+require("sdk/test").run(exports);