Function createImmutableTypedArray

deps/v8/test/mjsunit/immutable-arraybuffer.js:166–170

(length = 10, type = Uint8Array)

})();

function createImmutableTypedArray(length = 10, type = Uint8Array) {
  const ab = new ArrayBuffer(length * type.BYTES_PER_ELEMENT);
  const imm = ab.transferToImmutable();
  return new type(imm);
}

// 1. Test TypedArray.prototype.copyWithin
(function testCopyWithin() {