From d1f7a59683082a824ff96c16aebaa00259089394 Mon Sep 17 00:00:00 2001
From: Jordan Harband <ljharb@gmail.com>
Date: Wed, 27 Dec 2023 10:58:41 -0800
Subject: [PATCH] Array length: add test ensuring RangeError is thrown

---
 .../length/define-own-prop-length-error.js    | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 test/built-ins/Array/length/define-own-prop-length-error.js

diff --git a/test/built-ins/Array/length/define-own-prop-length-error.js b/test/built-ins/Array/length/define-own-prop-length-error.js
new file mode 100644
index 00000000000..9c25987f73f
--- /dev/null
+++ b/test/built-ins/Array/length/define-own-prop-length-error.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2023 Jordan Harband. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+author: Jordan Harband
+esid: sec-arraysetlength
+description: >
+  Setting an invalid array length throws a RangeError
+info: |
+  ArraySetLength ( A, Desc )
+
+  [...]
+  5. If SameValueZero(newLen, numberLen) is false, throw a RangeError exception.
+  [...]
+features: []
+---*/
+
+assert.throws(RangeError, function () {
+    Object.defineProperty([], 'length', { value: -1, configurable: true });
+});
+
+assert.throws(RangeError, function () {
+    // the string is intentionally "computed" here to ensure there are no optimization bugs
+    Object.defineProperty([], 'len' + 'gth', { value: -1, configurable: true });
+});