1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/FinalizationRegistry/prop-desc.js b/js/src/tests/test262/built-ins/FinalizationRegistry/prop-desc.js
new file mode 100644
index 0000000000..20510998d7
--- /dev/null
+++ b/js/src/tests/test262/built-ins/FinalizationRegistry/prop-desc.js
@@ -0,0 +1,25 @@
+// |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.
+
+/*---
+esid: sec-finalization-registry-constructor
+description: >
+  Property descriptor of FinalizationRegistry
+info: |
+  17 ECMAScript Standard Built-in Objects:
+
+  Every other data property described in clauses 18 through 26 and in Annex B.2
+  has the attributes { [[Writable]]: true, [[Enumerable]]: false,
+  [[Configurable]]: true } unless otherwise specified.
+includes: [propertyHelper.js]
+features: [FinalizationRegistry]
+---*/
+
+verifyProperty(this, 'FinalizationRegistry', {
+  enumerable: false,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);