fix($http): allow empty responses to be cached

Closes #3809

1 files changed, 14 insertions, 0 deletions

diff --git a/test/ng/httpSpec.js b/test/ng/httpSpec.js
index ec1cb7f1..d3653a67 100644
--- a/test/ng/httpSpec.js
+++ b/test/ng/httpSpec.js
@@ -1248,6 +1248,20 @@ describe('$http', function() {
       });
 
 
+      it('should allow the cached value to be an empty string', function () {
+        cache.put('/abc', '');
+
+        callback.andCallFake(function (response, status, headers) {
+          expect(response).toBe('');
+          expect(status).toBe(200);
+        });
+
+        $http({method: 'GET', url: '/abc', cache: cache}).success(callback);
+        $rootScope.$digest();
+        expect(callback).toHaveBeenCalled();
+      });
+
+
       it('should default to status code 200 and empty headers if cache contains a non-array element',
           inject(function($rootScope) {
             cache.put('/myurl', 'simple response');