diff --git a/test/swiss_knife_test.dart b/test/swiss_knife_test.dart
index 7ca7e48..eedce83 100644
--- a/test/swiss_knife_test.dart
+++ b/test/swiss_knife_test.dart
@@ -883,6 +883,27 @@ void main() {
       expect(isListValuesAllEquals([3, 3, 3, 2, 3]), equals(false));
       expect(isListValuesAllEquals([3, 3, 3, 3, 3], 2), equals(false));
     });
+
+    test('isEmptyObject', () {
+
+      expect(isEmptyObject(null), isTrue);
+      expect(isEmptyObject([]), isTrue);
+      expect(isEmptyObject({}), isTrue);
+      expect(isEmptyObject(Set()), isTrue);
+      expect(isEmptyObject(''), isTrue);
+
+      expect(isEmptyObject([1]), isFalse);
+      expect(isEmptyObject([1,2]), isFalse);
+
+      expect(isEmptyObject({'a':1}), isFalse);
+      expect(isEmptyObject({'a':1,'b':2}), isFalse);
+
+      expect(isEmptyObject(Set.from([1])), isFalse);
+      expect(isEmptyObject(Set.from([1,2])), isFalse);
+
+      expect(isEmptyObject('1'), isFalse);
+      expect(isEmptyObject('12'), isFalse);
+    });
   });
 
   group('Date', () {