Add test for ghosting custom properties

josdejong · Jul 12, 2017 · ac00237 · ac00237
1 parent fe0b993
commit ac00237
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/test/utils/customs.test.js b/test/utils/customs.test.js
@@ -123,6 +123,12 @@ describe ('customs', function () {
       array.length = Infinity;
       assert.equal(customs.isSafeProperty(array, 'length'), false);
 
+      // ghosted custom property
+      var object = {foo: true};
+      object = Object.create(object);
+      object.foo = false;
+      assert.equal(customs.isSafeProperty(object, 'foo'), true);
+
     });
 
   });