JSTests/test262/test/built-ins/TypedArray/prototype/length/prop-desc.js

// 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-get-%typedarray%.prototype.length
description: >
  "length" property of TypedArrayPrototype
info: |
  %TypedArray%.prototype.length is an accessor property whose set accessor
  function is undefined.

  Section 17: Every accessor property described in clauses 18 through 26 and in
  Annex B.2 has the attributes {[[Enumerable]]: false, [[Configurable]]: true }
includes: [propertyHelper.js, testTypedArray.js]
features: [TypedArray]
---*/

var TypedArrayPrototype = TypedArray.prototype;
var desc = Object.getOwnPropertyDescriptor(TypedArrayPrototype, "length");

assert.sameValue(desc.set, undefined);
assert.sameValue(typeof desc.get, "function");

verifyNotEnumerable(TypedArrayPrototype, "length");
verifyConfigurable(TypedArrayPrototype, "length");