1 files changed, 41 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/filter/15.4.4.20-9-c-i-28.js b/js/src/tests/test262/built-ins/Array/prototype/filter/15.4.4.20-9-c-i-28.js
new file mode 100644
index 0000000000..03f0b1b1b1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/filter/15.4.4.20-9-c-i-28.js
@@ -0,0 +1,41 @@
+// 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 - element changed by getter on previous
+    iterations is observed on an Array
+---*/
+
+var preIterVisible = false;
+var arr = [];
+
+function callbackfn(val, idx, obj) {
+  return idx === 1 && val === 9;
+}
+
+Object.defineProperty(arr, "0", {
+  get: function() {
+    preIterVisible = true;
+    return 11;
+  },
+  configurable: true
+});
+
+Object.defineProperty(arr, "1", {
+  get: function() {
+    if (preIterVisible) {
+      return 9;
+    } else {
+      return 11;
+    }
+  },
+  configurable: true
+});
+var newArr = arr.filter(callbackfn);
+
+assert.sameValue(newArr.length, 1, 'newArr.length');
+assert.sameValue(newArr[0], 9, 'newArr[0]');
+
+reportCompare(0, 0);