diff -r 000000000000 -r 6474c204b198 addon-sdk/source/test/addons/self/main.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/addon-sdk/source/test/addons/self/main.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,20 @@
+/* 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 self = require("sdk/self");
+
+exports["test self.data.load"] = assert => {
+
+  assert.equal(self.data.load("data.md").trim(),
+               "# hello world",
+               "paths work");
+
+  assert.equal(self.data.load("./data.md").trim(),
+               "# hello world",
+               "relative paths work");
+};
+
+require("sdk/test/runner").runTestsFromModule(module);