1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Object/isSealed/15.2.3.11-4-20.js b/js/src/tests/test262/built-ins/Object/isSealed/15.2.3.11-4-20.js
new file mode 100644
index 0000000000..b89aeb9772
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Object/isSealed/15.2.3.11-4-20.js
@@ -0,0 +1,15 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.2.3.11-4-20
+description: >
+    Object.isSealed returns false for all built-in objects
+    (Error.prototype)
+---*/
+
+var b = Object.isSealed(Error.prototype);
+
+assert.sameValue(b, false, 'b');
+
+reportCompare(0, 0);