fix(ng:options): select correct element when '?'-option was previously selected

Closes #599

Author: TEHEK

src/widget/select.js

@@ -384,7 +384,7 @@ angularWidget('select', function(element){
               if (existingOption.id !== option.id) {
                 lastElement.val(existingOption.id = option.id);
               }
-              if (existingOption.selected !== option.selected) {
+              if (existingOption.element.selected !== option.selected) {
                 lastElement.prop('selected', (existingOption.selected = option.selected));
               }
             } else {

test/widget/selectSpec.js

@@ -428,6 +428,21 @@ describe('select', function() {
         expect(select.val()).toEqual('0');
         expect(select.find('option').length).toEqual(1);
       });
+
+      it('should select correct input if previously selected option was "?"', function() {
+        createSingleSelect();
+        scope.values = [{name:'A'},{name:'B'}];
+        scope.selected = {};
+        scope.$digest();
+        expect(select.find('option').length).toEqual(3);
+        expect(select.val()).toEqual('?');
+        expect(select.find('option').eq(0).val()).toEqual('?');
+
+        browserTrigger(select.find('option').eq(1));
+        expect(select.val()).toEqual('0');
+        expect(select.find('option').eq(0).prop('selected')).toBeTruthy();
+        expect(select.find('option').length).toEqual(2);
+      });
     });
 
     describe('on change', function() {
@@ -504,7 +519,5 @@ describe('select', function() {
         expect(scope.selected).toEqual([scope.values[0]]);
       });
     });
-
   });
-
 });