test262/test/built-ins/Object/defineProperty/15.2.3.6-4-319-1.js

// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.2.3.6-4-319-1
description: >
    Object.defineProperty - 'O' is an Arguments object of a function
    that has formal parameters, 'P' is own data property of 'O', test
    TypeError is thrown when updating the [[Enumerable]] attribute
    value of 'P' which is not configurable (10.6 [[DefineOwnProperty]]
    step 4)
includes: [propertyHelper.js]
---*/

(function(a, b, c) {
  Object.defineProperty(arguments, "genericProperty", {
    enumerable: true,
    configurable: false
  });
  try {
    Object.defineProperty(arguments, "genericProperty", {
      enumerable: false
    });
    $ERROR("Expected an exception.");
  } catch (e) {
    verifyEqualTo(arguments, "genericProperty", undefined);

    verifyNotWritable(arguments, "genericProperty");

    verifyEnumerable(arguments, "genericProperty");

    verifyNotConfigurable(arguments, "genericProperty");


    if (!(e instanceof TypeError)) {
      $ERROR("Expected TypeError, got " + e);
    }

  }
}(1, 2, 3));