1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-9-6.js b/js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-9-6.js
new file mode 100644
index 0000000000..b595c9646c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-9-6.js
@@ -0,0 +1,24 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.prototype.map
+description: >
+    Array.prototype.map - empty array to be returned if 'length' is 0
+    (subclassed Array, length overridden to null (type conversion))
+---*/
+
+function callbackfn(val, idx, obj) {
+  return val > 10;
+}
+
+var Foo = function() {};
+Foo.prototype = [1, 2, 3];
+var obj = new Foo();
+obj.length = null;
+
+var testResult = Array.prototype.map.call(obj, callbackfn);
+
+assert.sameValue(testResult.length, 0, 'testResult.length');
+
+reportCompare(0, 0);