1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Map/prototype/size/length.js b/js/src/tests/test262/built-ins/Map/prototype/size/length.js
new file mode 100644
index 0000000000..b3812e1ec6
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Map/prototype/size/length.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-get-map.prototype.size
+description: >
+  Map.prototype.size.length value and descriptor.
+info: |
+  get Map.prototype.size
+
+  17 ECMAScript Standard Built-in Objects
+includes: [propertyHelper.js]
+---*/
+
+var descriptor = Object.getOwnPropertyDescriptor(Map.prototype, 'size');
+
+assert.sameValue(
+  descriptor.get.length, 0,
+  'The value of `Map.prototype.size.length` is `0`'
+);
+
+verifyNotEnumerable(descriptor.get, 'length');
+verifyNotWritable(descriptor.get, 'length');
+verifyConfigurable(descriptor.get, 'length');
+
+reportCompare(0, 0);