1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/map/values-are-not-cached.js b/js/src/tests/test262/built-ins/TypedArray/prototype/map/values-are-not-cached.js
new file mode 100644
index 0000000000..b65af8329f
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/map/values-are-not-cached.js
@@ -0,0 +1,30 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-%typedarray%.prototype.map
+description: >
+  Integer indexed values changed during iteration
+info: |
+  22.2.3.19 %TypedArray%.prototype.map ( callbackfn [ , thisArg ] )
+includes: [testTypedArray.js]
+features: [TypedArray]
+---*/
+
+testWithTypedArrayConstructors(function(TA) {
+  var sample = new TA([42, 43, 44]);
+
+  sample.map(function(v, i) {
+    if (i < sample.length - 1) {
+      sample[i+1] = 42;
+    }
+
+    assert.sameValue(
+      v, 42, "method does not cache values before callbackfn calls"
+    );
+
+    return 0;
+  });
+});
+
+reportCompare(0, 0);