1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-3-172-1.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-3-172-1.js
new file mode 100644
index 0000000000..23ae06bbcb
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-3-172-1.js
@@ -0,0 +1,29 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.6-3-172-1
+description: >
+    Object.defineProperty - 'Attributes' is a RegExp object that uses
+    Object's [[Get]] method to access the 'writable' property of
+    prototype object (8.10.5 step 6.b)
+---*/
+
+var obj = {};
+
+RegExp.prototype.writable = true;
+
+var regObj = new RegExp();
+
+Object.defineProperty(obj, "property", regObj);
+
+var beforeWrite = obj.hasOwnProperty("property");
+
+obj.property = "isWritable";
+
+var afterWrite = (obj.property === "isWritable");
+
+assert.sameValue(beforeWrite, true, 'beforeWrite');
+assert.sameValue(afterWrite, true, 'afterWrite');
+
+reportCompare(0, 0);