From 1b6b8571b770e9c1b7fcca8b6cff7114f1d0db3a Mon Sep 17 00:00:00 2001
From: Casey Howard <choward@streamsend.com>
Date: Thu, 11 Dec 2014 10:10:58 -0800
Subject: [PATCH] fix(filterFilter): Fix filtering using an object expression
 when the filter value is undefined

Fixes #10419
---
 src/ng/filter/filter.js      |  4 ++++
 test/ng/filter/filterSpec.js | 12 ++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/src/ng/filter/filter.js b/src/ng/filter/filter.js
index a739a1ca21c7..f594837af0f2 100644
--- a/src/ng/filter/filter.js
+++ b/src/ng/filter/filter.js
@@ -151,6 +151,10 @@ function createPredicateFn(expression, comparator, matchAgainstAnyProp) {
     comparator = equals;
   } else if (!isFunction(comparator)) {
     comparator = function(actual, expected) {
+      if (isUndefined(expected)) {
+        return true;
+      }
+
       if (isObject(actual) || isObject(expected)) {
         // Prevent an object to be considered equal to a string like `'[object'`
         return false;
diff --git a/test/ng/filter/filterSpec.js b/test/ng/filter/filterSpec.js
index 7e14f5f567f4..e924e4d08500 100644
--- a/test/ng/filter/filterSpec.js
+++ b/test/ng/filter/filterSpec.js
@@ -48,6 +48,18 @@ describe('Filter: filter', function() {
   });
 
 
+  it('should filter when property is undefined', function() {
+    var items = [{name: 'a'}, {name: 'abc'}];
+    expect(filter(items, {name: undefined})).toEqual([{name: 'a'}, {name: 'abc'}]);
+  });
+
+
+  it('should filter when a deep property is undefined', function() {
+    var items = [{name: 'a'}, {name: 'abc'}, {deep: {name: 'abc'}}];
+    expect(filter(items, {deep: {name: undefined}})).toEqual([{deep: {name: 'abc'}}]);
+  });
+
+
   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);