1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A9.js b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A9.js
new file mode 100644
index 0000000000..5e2676e330
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Function/prototype/toString/S15.3.4.2_A9.js
@@ -0,0 +1,30 @@
+// 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
+---*/
+assert(
+  Function.prototype.toString.hasOwnProperty('length'),
+  'Function.prototype.toString.hasOwnProperty(\'length\') must return true'
+);
+
+assert(
+  delete Function.prototype.toString.length,
+  'The value of delete Function.prototype.toString.length is expected to be true'
+);
+
+assert(
+  !Function.prototype.toString.hasOwnProperty('length'),
+  'The value of !Function.prototype.toString.hasOwnProperty(\'length\') is expected to be true'
+);
+
+// TODO: Convert to verifyProperty() format.
+
+reportCompare(0, 0);