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 /*

  * Any copyright is dedicated to the Public Domain.

  * http://creativecommons.org/licenses/publicdomain/

  */

 /* Object.isFrozen */

 assertEq(Object.isFrozen({}), false);

 assertEq(Object.isFrozen(Object.preventExtensions({})), true);

 var o = Object.defineProperty({}, 'x', { writable:true, configurable:true });

 Object.preventExtensions(o);

 assertEq(Object.isFrozen(o), false);

 var o = Object.defineProperty({}, 'x', { writable:false, configurable:true });

 Object.preventExtensions(o);

 assertEq(Object.isFrozen(o), false);

 var o = Object.defineProperty({}, 'x', { writable:true, configurable:false });

 Object.preventExtensions(o);

 assertEq(Object.isFrozen(o), false);

 var o = Object.defineProperty({}, 'x', { writable:false, configurable:false });

 assertEq(Object.isFrozen(o), false);

 var o = Object.defineProperty({}, 'x', { writable:false, configurable:false });

 Object.preventExtensions(o);

 assertEq(Object.isFrozen(o), true);

 var o = Object.defineProperties({}, { x: { writable:true,  configurable:true },

                                       y: { writable:false, configurable:false } });

 Object.preventExtensions(o);

 assertEq(Object.isFrozen(o), false);

 var o = Object.defineProperties({}, { x: { writable:false, configurable:false },

                                       y: { writable:true,  configurable:true } });

 Object.preventExtensions(o);

 assertEq(Object.isFrozen(o), false);

 var o = Object.defineProperties({}, { x: { writable:true,  configurable:true },

                                       y: { writable:true,  configurable:true } });

 Object.preventExtensions(o);

 assertEq(Object.isFrozen(o), false);

 reportCompare(true, true);