1 files changed, 23 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-3.js b/js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-3.js
new file mode 100644
index 0000000000..d83ac8f89d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/reduce/15.4.4.21-9-3.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.reduce
+description: >
+    Array.prototype.reduce doesn't visit deleted elements in array
+    after the call
+---*/
+
+function callbackfn(prevVal, curVal, idx, obj)
+{
+  delete arr[3];
+  delete arr[4];
+  return prevVal + curVal;
+}
+
+var arr = ['1', 2, 3, 4, 5];
+
+// two elements deleted
+assert.sameValue(arr.reduce(callbackfn), "123", 'arr.reduce(callbackfn)');
+
+reportCompare(0, 0);