1 files changed, 22 insertions, 0 deletions
diff --git a/addon-sdk/source/test/test-addon-window.js b/addon-sdk/source/test/test-addon-window.js
new file mode 100644
index 000000000..8cb07bb07
--- /dev/null
+++ b/addon-sdk/source/test/test-addon-window.js
@@ -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';
+
+var { Loader } = require('sdk/test/loader');
+
+exports.testReady = function(assert, done) {
+  let loader = Loader(module);
+  let { ready, window } = loader.require('sdk/addon/window');
+  let windowIsReady = false;
+
+  ready.then(function() {
+    assert.equal(windowIsReady, false, 'ready promise was resolved only once');
+    windowIsReady = true;
+
+    loader.unload();
+    done();
+  }).then(null, assert.fail);
+}
+
+require('sdk/test').run(exports);