text: // Copyright (C) 2017 Caio Lima. All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  
  /*---
  description: Mapped arguments object with non-configurable property property descriptor behavior
  info: >
      Descriptor of a mapped value is updated when property is made non-configurable.
  flags: [noStrict]
  esid: sec-arguments-exotic-objects-defineownproperty-p-desc
  includes: [propertyHelper.js]
  ---*/
  
  function argumentsNonConfigurable(a) {
    Object.defineProperty(arguments, "0", {configurable: false});
  
    let propertyDescriptor = Object.getOwnPropertyDescriptor(arguments, "0");
    assert.sameValue(propertyDescriptor.value, 1);
    verifyEnumerable(arguments, "0");
    verifyWritable(arguments, "0");
    verifyNotConfigurable(arguments, "0");
  }
  argumentsNonConfigurable(1);
  