Sets ngModel as an empty array if it's undefined

Author: dimirc

src/select.js

@@ -580,6 +580,7 @@
                 }
                 return false;
               };
+              if (!inputValue) return resultMultiple; //If ngModel was undefined
               for (var k = inputValue.length - 1; k >= 0; k--) {
                 if (!checkFnMultiple($select.selected, inputValue[k])){
                   checkFnMultiple(data, inputValue[k]);

test/select.spec.js

@@ -23,9 +23,6 @@ describe('ui-select tests', function() {
     $timeout = _$timeout_;
     scope.selection = {};
 
-    //TESTME
-    scope.selection.selectedMultiple = []; 
-    
     scope.getGroupLabel = function(person) {
       return person.age % 2 ? 'even' : 'odd';
     };
@@ -755,6 +752,15 @@ describe('ui-select tests', function() {
         expect(el.find('.ui-select-match-item').length).toBe(0);
     });
 
+    it('should set model as an empty array if ngModel isnt defined', function () {
+      
+      // scope.selection.selectedMultiple = [];
+      var el = createUiSelectMultiple();
+
+      expect(scope.selection.selectedMultiple instanceof Array).toBe(true);
+
+    });
+
     it('should render initial selected items', function() {
         scope.selection.selectedMultiple = [scope.people[4], scope.people[5]]; //Wladimir & Samantha
         var el = createUiSelectMultiple();