1 files changed, 30 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/map/BigInt/values-are-not-cached.js b/js/src/tests/test262/built-ins/TypedArray/prototype/map/BigInt/values-are-not-cached.js
new file mode 100644
index 0000000000..73b72e7e3d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/map/BigInt/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: [testBigIntTypedArray.js]
+features: [BigInt, TypedArray]
+---*/
+
+testWithBigIntTypedArrayConstructors(function(TA) {
+  var sample = new TA([42n, 43n, 44n]);
+
+  sample.map(function(v, i) {
+    if (i < sample.length - 1) {
+      sample[i+1] = 42n;
+    }
+
+    assert.sameValue(
+      v, 42n, "method does not cache values before callbackfn calls"
+    );
+
+    return 0n;
+  });
+});
+
+reportCompare(0, 0);