1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/at/prop-desc.js b/js/src/tests/test262/built-ins/String/prototype/at/prop-desc.js
new file mode 100644
index 0000000000..2cc96c993b
--- /dev/null
+++ b/js/src/tests/test262/built-ins/String/prototype/at/prop-desc.js
@@ -0,0 +1,28 @@
+// Copyright (C) 2020 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-string.prototype.at
+description: >
+  Property type and descriptor.
+info: |
+  String.prototype.at( index )
+
+  17 ECMAScript Standard Built-in Objects
+includes: [propertyHelper.js]
+features: [String.prototype.at]
+---*/
+assert.sameValue(typeof String.prototype.at, 'function');
+
+assert.sameValue(
+  typeof String.prototype.at,
+  'function',
+  'The value of `typeof String.prototype.at` is "function"'
+);
+
+verifyProperty(String.prototype, 'at', {
+  enumerable: false,
+  writable: true,
+  configurable: true
+});
+
+reportCompare(0, 0);