Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 45 insertions, 0 deletions

diff --git a/js/src/tests/test262/harness/verifyProperty-restore-accessor-symbol.js b/js/src/tests/test262/harness/verifyProperty-restore-accessor-symbol.js
new file mode 100644
index 0000000000..b500856137
--- /dev/null
+++ b/js/src/tests/test262/harness/verifyProperty-restore-accessor-symbol.js
@@ -0,0 +1,45 @@
+// 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 accessor descriptor
+includes: [propertyHelper.js]
+features: [Symbol]
+---*/
+
+var obj;
+var prop = Symbol(1);
+var desc = { enumerable: true, configurable: true, get() { return 42; }, set() {} };
+
+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);
+assert.sameValue(
+  Object.getOwnPropertyDescriptor(obj, prop).get,
+  desc.get
+);
+
+assert.sameValue(
+  Object.getOwnPropertyDescriptor(obj, prop).set,
+  desc.set
+);
+
+reportCompare(0, 0);