1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/filter/15.4.4.20-9-b-8.js b/js/src/tests/test262/built-ins/Array/prototype/filter/15.4.4.20-9-b-8.js
new file mode 100644
index 0000000000..08b65a302d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/filter/15.4.4.20-9-b-8.js
@@ -0,0 +1,42 @@
+// 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-b-8
+description: >
+    Array.prototype.filter - deleting own property causes index
+    property not to be visited on an Array-like object
+---*/
+
+var accessed = false;
+var obj = {
+  length: 2
+};
+
+function callbackfn(val, idx, o) {
+  accessed = true;
+  return true;
+}
+
+Object.defineProperty(obj, "1", {
+  get: function() {
+    return 6.99;
+  },
+  configurable: true
+});
+
+Object.defineProperty(obj, "0", {
+  get: function() {
+    delete obj[1];
+    return 0;
+  },
+  configurable: true
+});
+
+var newArr = Array.prototype.filter.call(obj, callbackfn);
+
+assert.sameValue(newArr.length, 1, 'newArr.length');
+assert.sameValue(newArr[0], 0, 'newArr[0]');
+
+reportCompare(0, 0);