diff -r 000000000000 -r 6474c204b198 addon-sdk/source/test/test-memory.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/addon-sdk/source/test/test-memory.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,22 @@
+/* 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 memory = require("sdk/deprecated/memory");
+const { gc } = require("sdk/test/memory");
+
+exports.testMemory = function(assert) {
+  var obj = {};
+  memory.track(obj, "testMemory.testObj");
+
+  var objs = memory.getObjects("testMemory.testObj");
+  assert.equal(objs[0].weakref.get(), obj);
+  obj = null;
+
+  gc().then(function() {
+    assert.equal(objs[0].weakref.get(), null);
+  });
+};
+
+require('sdk/test').run(exports);