diff --git a/specs/Path.spec.js b/specs/Path.spec.js
index bacbf07a70..ce22062741 100644
--- a/specs/Path.spec.js
+++ b/specs/Path.spec.js
@@ -47,6 +47,20 @@ describe('Path.extractParams', function () {
       });
     });
 
+    describe('and the pattern is optional', function () {
+      var pattern = 'comments/:id?/edit'
+      
+      describe('and the path matches with supplied param', function () {
+        it('returns an object with the params', function () {
+          expect(Path.extractParams(pattern, 'comments/123/edit')).toEqual({ id: '123' });
+        });
+      });
+      describe('and the path matches without supplied param', function () {
+        it('returns an object with param set to null', function () {
+          expect(Path.extractParams(pattern, 'comments/edit')).toEqual({id: null});
+        });
+      });
+    });
     describe('and the path does not match', function () {
       it('returns null', function () {
         expect(Path.extractParams(pattern, 'users/123')).toBe(null);
@@ -166,6 +180,18 @@ describe('Path.injectParams', function () {
       });
     });
 
+    describe('and a param is optional', function () {
+      var pattern = 'comments/:id?/edit';
+
+      it('returns the correct path when param is supplied', function () {
+        expect(Path.injectParams(pattern, {id:'123'})).toEqual('comments/123/edit');
+      });
+
+      it('returns the correct path when param is not supplied', function () {
+        expect(Path.injectParams(pattern, {})).toEqual('comments/edit');
+      });
+    });      
+
     describe('and all params are present', function () {
       it('returns the correct path', function () {
         expect(Path.injectParams(pattern, { id: 'abc' })).toEqual('comments/abc/edit');