1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-171.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-171.js
new file mode 100644
index 0000000000..c6732ffecc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-171.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.6-4-171
+description: >
+    Object.defineProperty - 'O' is an Array, 'name' is the length
+    property of 'O', the [[Value]] field of 'desc' is less than value
+    of  the length property, test the [[Configurable]] attribute of an
+    inherited data property with large index named in 'O' can't stop
+    deleting index named properties (15.4.5.1 step 3.l.ii)
+---*/
+
+var arrObj = [0, 1];
+
+Array.prototype[1] = 2; // Not setting the [[Configurable]] attribute of property "1" to false here, since Array.prototype is a global object, and non-configurbale property can't revert to configurable
+Object.defineProperty(arrObj, "length", {
+  value: 1
+});
+
+assert.sameValue(arrObj.length, 1, 'arrObj.length');
+assert.sameValue(arrObj.hasOwnProperty("1"), false, 'arrObj.hasOwnProperty("1")');
+
+reportCompare(0, 0);