JSTests/test262/test/built-ins/Object/prototype/S15.2.3.1_A3.js

// Copyright 2009 the Sputnik authors.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.2.3.1_A3
description: Checking if deleting "Object.prototype" property fails;
includes: [propertyHelper.js]
---*/

verifyNotConfigurable(Object, "prototype");

//CHECK#1
try {
  if ((delete Object.prototype) !== false) {
    $ERROR('#1: Object.prototype has the attribute DontDelete');
  }
} catch (e) {
  if (e instanceof Test262Error) throw e;
  assert(e instanceof TypeError);
}

//CHECK#2
if (!(Object.hasOwnProperty('prototype'))) {
  $ERROR('#2: the Object.prototype property has the attributes DontDelete.');
}