1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/getOwnPropertyDescriptors/tamper-with-object-keys.js b/js/src/tests/test262/built-ins/Object/getOwnPropertyDescriptors/tamper-with-object-keys.js
new file mode 100644
index 000000000..1f4d69893
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/getOwnPropertyDescriptors/tamper-with-object-keys.js
@@ -0,0 +1,22 @@
+// Copyright (C) 2016 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    Object.getOwnPropertyDescriptors should not have its behavior impacted by modifications to Object.getOwnPropertyDescriptor
+esid: pending
+author: Jordan Harband
+---*/
+
+function fakeObjectGetOwnPropertyDescriptor() {
+    $ERROR('The overriden version of Object.getOwnPropertyDescriptor was called!');
+}
+Object.getOwnPropertyDescriptor = fakeObjectGetOwnPropertyDescriptor;
+
+assert.sameValue(
+  Object.getOwnPropertyDescriptor,
+  fakeObjectGetOwnPropertyDescriptor,
+  'Sanity check failed: could not modify the global Object.getOwnPropertyDescriptor'
+);
+
+assert.sameValue(Object.keys(Object.getOwnPropertyDescriptors({ a: 1 })).length, 1, 'Expected object with 1 key to have 1 descriptor');