fix(filterFilter): Fix filtering using an object expression when the filter value is undefined

Fixes #10419
Closes #10424

Author: Casey Howard

src/ng/filter/filter.js

@@ -207,7 +207,7 @@ function deepCompare(actual, expected, comparator, matchAgainstAnyProp, dontMatc
       } else if (expectedType === 'object') {
         for (key in expected) {
           var expectedVal = expected[key];
-          if (isFunction(expectedVal)) {
+          if (isFunction(expectedVal) || isUndefined(expectedVal)) {
             continue;
           }
 

test/ng/filter/filterSpec.js

@@ -48,6 +48,15 @@ describe('Filter: filter', function() {
   });
 
 
+  it('should ignore undefined properties of the expression object', function() {
+    var items = [{name: 'a'}, {name: 'abc'}];
+    expect(filter(items, {name: undefined})).toEqual([{name: 'a'}, {name: 'abc'}]);
+
+    items = [{first: 'misko'}, {deep: {first: 'misko'}}, {deep: {last: 'hevery'}}];
+    expect(filter(items, {deep: {first: undefined}})).toEqual([{deep: {first: 'misko'}}, {deep: {last: 'hevery'}}]);
+  });
+
+
   it('should take function as predicate', function() {
     var items = [{name: 'a'}, {name: 'abc', done: true}];
     expect(filter(items, function(i) {return i.done;}).length).toBe(1);