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diff --git a/js/src/tests/test262/built-ins/TypedArray/prototype/map/return-new-typedarray-conversion-operation.js b/js/src/tests/test262/built-ins/TypedArray/prototype/map/return-new-typedarray-conversion-operation.js
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+++ b/js/src/tests/test262/built-ins/TypedArray/prototype/map/return-new-typedarray-conversion-operation.js
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+// 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: >
+  Verify conversion values on returned instance
+info: |
+  22.2.3.19 %TypedArray%.prototype.map ( callbackfn [ , thisArg ] )
+
+  ...
+  8. Repeat, while k < len
+    ...
+    d. Perform ? Set(A, Pk, mappedValue, true).
+  ...
+
+  IntegerIndexedElementSet ( O, index, value )
+
+  Assert: O is an Integer-Indexed exotic object.
+  If O.[[ContentType]] is BigInt, let numValue be ? ToBigInt(value).
+  Otherwise, let numValue be ? ToNumber(value).
+  Let buffer be O.[[ViewedArrayBuffer]].
+  If IsDetachedBuffer(buffer) is false and ! IsValidIntegerIndex(O, index) is true, then
+    Let offset be O.[[ByteOffset]].
+    Let arrayTypeName be the String value of O.[[TypedArrayName]].
+    Let elementSize be the Element Size value specified in Table 62 for arrayTypeName.
+    Let indexedPosition be (ℝ(index) × elementSize) + offset.
+    Let elementType be the Element Type value in Table 62 for arrayTypeName.
+    Perform SetValueInBuffer(buffer, indexedPosition, elementType, numValue, true, Unordered).
+  Return NormalCompletion(undefined).
+
+  24.1.1.6 SetValueInBuffer ( arrayBuffer, byteIndex, type, value [ ,
+  isLittleEndian ] )
+
+  ...
+  8. If type is "Float32", then
+    ...
+  9. Else, if type is "Float64", then
+    ...
+  10. Else,
+    ...
+    b. Let convOp be the abstract operation named in the Conversion Operation
+    column in Table 50 for Element Type type.
+    c. Let intValue be convOp(value).
+    d. If intValue ≥ 0, then
+      ...
+    e. Else,
+      ...
+includes: [byteConversionValues.js, testTypedArray.js]
+features: [TypedArray]
+---*/
+
+testTypedArrayConversions(byteConversionValues, function(TA, value, expected, initial) {
+  var sample = new TA([initial]);
+
+  var result = sample.map(function() {
+    return value;
+  });
+
+  assert.sameValue(result[0], expected, value + " converts to " + expected);
+});
+
+reportCompare(0, 0);