1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/isArray/15.4.3.2-2-1.js b/js/src/tests/test262/built-ins/Array/isArray/15.4.3.2-2-1.js
new file mode 100644
index 0000000000..1592f1a734
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/isArray/15.4.3.2-2-1.js
@@ -0,0 +1,18 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-array.isarray
+es5id: 15.4.3.2-2-1
+description: Array.isArray applied to an object with an array as the prototype
+---*/
+
+var proto = [];
+var Con = function() {};
+Con.prototype = proto;
+
+var child = new Con();
+
+assert.sameValue(Array.isArray(child), false, 'Array.isArray(new Con()) must return false');
+
+reportCompare(0, 0);