1 files changed, 70 insertions, 0 deletions
diff --git a/tools/addon-sdk-1.4/packages/api-utils/tests/test-namespace.js b/tools/addon-sdk-1.4/packages/api-utils/tests/test-namespace.js
new file mode 100644
index 0000000..60ba23d
--- /dev/null
+++ b/tools/addon-sdk-1.4/packages/api-utils/tests/test-namespace.js
@@ -0,0 +1,70 @@
+"use strict";
+
+let { Namespace } = require("api-utils/namespace");
+
+exports["test namsepace basics"] = function(assert) {
+  var privates = Namespace();
+  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 _ = new Namespace();
+  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 _ = new Namespace({ hello: 'hello world' });
+
+  var f1 = { hello: 1 };
+  var f2 = { foo: 'foo' };
+
+  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 = 2;
+
+  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 = new Namespace();
+  var n2 = new Namespace();
+  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");
+};
+
+require("test").run(exports);