1 files changed, 28 insertions, 0 deletions
diff --git a/test/built-ins/Function/prototype/toString/S15.3.4.2_A9.js b/test/built-ins/Function/prototype/toString/S15.3.4.2_A9.js
new file mode 100644
index 000000000..d5373305d
--- /dev/null
+++ b/test/built-ins/Function/prototype/toString/S15.3.4.2_A9.js
@@ -0,0 +1,28 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: >
+    The Function.prototype.toString.length property does not have the
+    attribute DontDelete
+es5id: 15.3.4.2_A9
+description: >
+    Checking if deleting the Function.prototype.toString.length
+    property fails
+includes: [$FAIL.js]
+---*/
+
+//CHECK#0
+if (!(Function.prototype.toString.hasOwnProperty('length'))) {
+  $FAIL('#0: the Function.prototype.toString has length property');
+}
+
+//CHECK#1
+if (!delete Function.prototype.toString.length) {
+  $ERROR('#1: The Function.prototype.toString.length property does not have the attributes DontDelete');
+}
+
+//CHECK#2
+if (Function.prototype.toString.hasOwnProperty('length')) {
+  $FAIL('#2: The Function.prototype.toString.length property does not have the attributes DontDelete');
+}