1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-622.js b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-622.js
new file mode 100644
index 0000000000..db59aba810
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/defineProperty/15.2.3.6-4-622.js
@@ -0,0 +1,36 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.6-4-622
+description: ES5 Attributes - all attributes in Date.now are correct
+---*/
+
+var desc = Object.getOwnPropertyDescriptor(Date, "now");
+
+var propertyAreCorrect = (desc.writable === true && desc.enumerable === false && desc.configurable === true);
+
+var temp = Date.now;
+
+Date.now = "2010";
+
+var isWritable = (Date.now === "2010");
+
+var isEnumerable = false;
+
+for (var prop in Date) {
+  if (prop === "now") {
+    isEnumerable = true;
+  }
+}
+
+delete Date.now;
+
+var isConfigurable = !Date.hasOwnProperty("now");
+
+assert(propertyAreCorrect, 'propertyAreCorrect !== true');
+assert(isWritable, 'isWritable !== true');
+assert.sameValue(isEnumerable, false, 'isEnumerable');
+assert(isConfigurable, 'isConfigurable !== true');
+
+reportCompare(0, 0);