1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-274.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-274.js
new file mode 100644
index 0000000000..39367644a2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-274.js
@@ -0,0 +1,23 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.6-4-274
+description: >
+    Object.defineProperty - 'O' is an Array, 'name' is an array index
+    named property, test the length property of 'O' is not changed if
+    ToUint32('name') is less than value of the length property in 'O'
+    (15.4.5.1 step 4.e)
+---*/
+
+var arrObj = [];
+arrObj.length = 3; // default value of length: writable: true, configurable: false, enumerable: false
+
+Object.defineProperty(arrObj, "1", {
+  value: 14
+});
+
+assert.sameValue(arrObj.length, 3, 'arrObj.length');
+assert.sameValue(arrObj[1], 14, 'arrObj[1]');
+
+reportCompare(0, 0);