1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-275.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-275.js
new file mode 100644
index 0000000000..ce176462cc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-275.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: 15.2.3.6-4-275
+description: >
+    Object.defineProperty - 'O' is an Array, 'name' is an array index
+    named property, test the length property of 'O' is set as
+    ToUint32('name') + 1 if ToUint32('name') equals to value of the
+    length property in 'O' (15.4.5.1 step 4.e.ii)
+---*/
+
+var arrObj = [];
+arrObj.length = 3; // default value of length: writable: true, configurable: false, enumerable: false
+
+Object.defineProperty(arrObj, "3", {
+  value: 3
+});
+
+assert.sameValue(arrObj.length, 4, 'arrObj.length');
+assert.sameValue(arrObj[3], 3, 'arrObj[3]');
+
+reportCompare(0, 0);