1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/filter/15.4.4.20-1-5.js b/js/src/tests/test262/built-ins/Array/prototype/filter/15.4.4.20-1-5.js
new file mode 100644
index 0000000000..f1877b6544
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/filter/15.4.4.20-1-5.js
@@ -0,0 +1,20 @@
+// 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.filter
+description: Array.prototype.filter applied to number primitive
+---*/
+
+function callbackfn(val, idx, obj) {
+  return obj instanceof Number;
+}
+
+Number.prototype[0] = 1;
+Number.prototype.length = 1;
+
+var newArr = Array.prototype.filter.call(2.5, callbackfn);
+
+assert.sameValue(newArr[0], 1, 'newArr[0]');
+
+reportCompare(0, 0);