1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Date/prototype/toJSON/length.js b/js/src/tests/test262/built-ins/Date/prototype/toJSON/length.js
new file mode 100644
index 0000000000..a4186d87dc
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Date/prototype/toJSON/length.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-date.prototype.tojson
+description: >
+  Date.prototype.toJSON.length is 1.
+info: |
+  Date.prototype.toJSON ( key )
+
+  ECMAScript Standard Built-in Objects
+
+  Unless otherwise specified, the length property of a built-in Function
+  object has the attributes { [[Writable]]: false, [[Enumerable]]: false,
+  [[Configurable]]: true }.
+includes: [propertyHelper.js]
+---*/
+
+verifyProperty(Date.prototype.toJSON, 'length', {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true,
+});
+
+reportCompare(0, 0);