1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-343.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-343.js
new file mode 100644
index 0000000000..f277f07f73
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-343.js
@@ -0,0 +1,33 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.6-4-343
+description: >
+    ES5 Attributes - success to update [[Writable]] attribute of data
+    property ([[Writable]] is true, [[Enumerable]] is false,
+    [[Configurable]] is true) to different value
+---*/
+
+var obj = {};
+
+Object.defineProperty(obj, "prop", {
+  value: 2010,
+  writable: true,
+  enumerable: false,
+  configurable: true
+});
+var propertyDefineCorrect = obj.hasOwnProperty("prop");
+var desc1 = Object.getOwnPropertyDescriptor(obj, "prop");
+
+Object.defineProperty(obj, "prop", {
+  writable: false
+});
+var desc2 = Object.getOwnPropertyDescriptor(obj, "prop");
+
+assert(propertyDefineCorrect, 'propertyDefineCorrect !== true');
+assert.sameValue(desc1.writable, true, 'desc1.writable');
+assert.sameValue(obj.prop, 2010, 'obj.prop');
+assert.sameValue(desc2.writable, false, 'desc2.writable');
+
+reportCompare(0, 0);