1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/harness/verifyProperty-restore.js b/js/src/tests/test262/harness/verifyProperty-restore.js
new file mode 100644
index 0000000000..9a480f7f4b
--- /dev/null
+++ b/js/src/tests/test262/harness/verifyProperty-restore.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2017 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  verifyProperty allows restoring the original descriptor
+includes: [propertyHelper.js]
+---*/
+
+var obj;
+var prop = 'prop';
+var desc = { enumerable: true, configurable: true, writable: true, value: 42 };
+
+obj = {};
+Object.defineProperty(obj, prop, desc);
+
+verifyProperty(obj, prop, desc);
+
+assert.sameValue(
+  Object.prototype.hasOwnProperty.call(obj, prop),
+  false
+);
+
+obj = {};
+Object.defineProperty(obj, prop, desc);
+
+verifyProperty(obj, prop, desc, { restore: true });
+
+assert.sameValue(
+  Object.prototype.hasOwnProperty.call(obj, prop),
+  true
+);
+assert.sameValue(obj[prop], 42);
+
+reportCompare(0, 0);