1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/filter/15.4.4.20-9-1.js b/js/src/tests/test262/built-ins/Array/prototype/filter/15.4.4.20-9-1.js
new file mode 100644
index 0000000000..005f390cc4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/filter/15.4.4.20-9-1.js
@@ -0,0 +1,23 @@
+// 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
+es5id: 15.4.4.20-9-1
+description: >
+    Array.prototype.filter doesn't consider new elements added to
+    array after it is called
+---*/
+
+function callbackfn(val, idx, obj) {
+  srcArr[2] = 3;
+  srcArr[5] = 6;
+  return true;
+}
+
+var srcArr = [1, 2, , 4, 5];
+var resArr = srcArr.filter(callbackfn);
+
+assert.sameValue(resArr.length, 5, 'resArr.length');
+
+reportCompare(0, 0);