1 files changed, 21 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/FinalizationRegistry/prototype/prop-desc.js b/js/src/tests/test262/built-ins/FinalizationRegistry/prototype/prop-desc.js
new file mode 100644
index 0000000000..9694e2d296
--- /dev/null
+++ b/js/src/tests/test262/built-ins/FinalizationRegistry/prototype/prop-desc.js
@@ -0,0 +1,21 @@
+// |reftest| skip-if(!this.hasOwnProperty('FinalizationRegistry')) -- FinalizationRegistry is not enabled unconditionally
+// Copyright (C) 2019 Leo Balter. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: The property descriptor FinalizationRegistry.prototype
+esid: sec-finalization-registry.prototype
+info: |
+  This property has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+  [[Configurable]]: false }.
+features: [FinalizationRegistry]
+includes: [propertyHelper.js]
+---*/
+
+verifyProperty(FinalizationRegistry, 'prototype', {
+  writable: false,
+  enumerable: false,
+  configurable: false
+});
+
+reportCompare(0, 0);