diff -r 000000000000 -r 6474c204b198 addon-sdk/source/test/test-dom.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/addon-sdk/source/test/test-dom.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,88 @@
+/* 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 events = require("sdk/dom/events");
+const { activeBrowserWindow: { document } } = require("sdk/deprecated/window-utils");
+const window = document.window;
+/*
+exports["test on / emit"] = function (assert, done) {
+  let element = document.createElement("div");
+  events.on(element, "click", function listener(event) {
+    assert.equal(event.target, element, "event has correct target");
+    events.removeListener(element, "click", listener);
+    done();
+  });
+
+  events.emit(element, "click", {
+    category: "MouseEvents",
+    settings: [
+      true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null
+    ]
+  });
+};
+
+exports["test remove"] = function (assert, done) {
+  let element = document.createElement("span");
+  let l1 = 0;
+  let l2 = 0;
+  let options = {
+    category: "MouseEvents",
+    settings: [
+      true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null
+    ]
+  };
+
+  events.on(element, "click", function listener1(event) {
+    l1 ++;
+    assert.equal(event.target, element, "event has correct target");
+    events.removeListener(element, "click", listener1);
+  });
+
+  events.on(element, "click", function listener2(event) {
+    l2 ++;
+    if (l1 < l2) {
+      assert.equal(l1, 1, "firs listener was called and then romeved");
+      events.removeListener(element, "click", listener2);
+      done();
+    }
+    events.emit(element, "click", options);
+  });
+
+  events.emit(element, "click", options);
+};
+
+exports["test once"] = function (assert, done) {
+  let element = document.createElement("h1");
+  let l1 = 0;
+  let l2 = 0;
+  let options = {
+    category: "MouseEvents",
+    settings: [
+      true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null
+    ]
+  };
+
+
+  events.once(element, "click", function listener(event) {
+    assert.equal(event.target, element, "event target is a correct element");
+    l1 ++;
+  });
+
+  events.on(element, "click", function listener(event) {
+    l2 ++;
+    if (l2 > 3) {
+      events.removeListener(element, "click", listener);
+      assert.equal(event.target, element, "event has correct target");
+      assert.equal(l1, 1, "once was called only once");
+      done();
+    }
+    events.emit(element, "click", options);
+  });
+
+  events.emit(element, "click", options);
+}
+*/
+require("test").run(exports);