1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-8-b-16.js b/js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-8-b-16.js
new file mode 100644
index 0000000000..3d08371488
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Array/prototype/map/15.4.4.19-8-b-16.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.map
+description: >
+    Array.prototype.map - decreasing length of array does not delete
+    non-configurable properties
+flags: [noStrict]
+---*/
+
+function callbackfn(val, idx, obj) {
+  if (idx === 2 && val === "unconfigurable") {
+    return false;
+  } else {
+    return true;
+  }
+}
+
+var arr = [0, 1, 2];
+
+Object.defineProperty(arr, "2", {
+  get: function() {
+    return "unconfigurable";
+  },
+  configurable: false
+});
+
+Object.defineProperty(arr, "1", {
+  get: function() {
+    arr.length = 2;
+    return 1;
+  },
+  configurable: true
+});
+
+var testResult = arr.map(callbackfn);
+
+assert.sameValue(testResult.length, 3, 'testResult.length');
+assert.sameValue(testResult[2], false, 'testResult[2]');
+
+reportCompare(0, 0);