diff --git a/src/windows/CDVOrientation.cs b/src/windows/CDVOrientationProxy.js
similarity index 90%
rename from src/windows/CDVOrientation.cs
rename to src/windows/CDVOrientationProxy.js
index 76a6b46..ea28811 100644
--- a/src/windows/CDVOrientation.cs
+++ b/src/windows/CDVOrientationProxy.js
@@ -20,11 +20,11 @@
 */
 
 var DisplayInfo = Windows.Graphics.Display.DisplayInformation;
-    var Orientations = Windows.Graphics.Display.DisplayOrientations;
+var Orientations = Windows.Graphics.Display.DisplayOrientations;
 
 module.exports = {
-    setAllowedOrientations: function (win, fail, args) {
-        //console.log("setAllowedOrientations proxy called with " + args);
+    screenOrientation: function (win, fail, args) {
+        //console.log("screenOrientation proxy called with " + args);
 
         try {
             var prefOrients = args[0];
diff --git a/tests/tests.js b/tests/tests.js
index 7a28ff5..ee77d28 100644
--- a/tests/tests.js
+++ b/tests/tests.js
@@ -29,8 +29,24 @@ exports.defineAutoTests = function() {
 
     it("should contain a platform specification that is a string", function() {
       expect(window.orientation).toBeDefined();
-      expect((String(window.orientation.type)).length > 0).toBe(true);
+      if (window.orientation) {
+        expect((String(window.orientation.type)).length > 0).toBe(true);
+      }
     });
 
+    it("should successfully lock and unlock screen orientation", function (done) {
+      try {
+        screen.lockOrientation('landscape').then(function () {
+          expect(screen.unlockOrientation).not.toThrow();
+          done();
+        }, function (err) {
+          fail('Promise was rejected: ' + err);
+          done();
+        });
+      } catch (e) {
+        fail(e);
+        done();
+      }
+    });
   });
 };