The Tor Browser: js/src/tests/ecma_5/Object/add-property-non-extensible.js@6474c204b198 (annotated)

js/src/tests/ecma_5/Object/add-property-non-extensible.js@6474c204b198 (annotated)

js/src/tests/ecma_5/Object/add-property-non-extensible.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 /*
  * Any copyright is dedicated to the Public Domain.
  * http://creativecommons.org/licenses/publicdomain/
  * Contributor:
  *   Jeff Walden <jwalden+code@mit.edu>
  */
 var gTestfile = 'add-property-non-extensible.js';
 //-----------------------------------------------------------------------------
 var BUGNUMBER = 602144;
 var summary =
   'Properly method-compile attempted addition of properties to ' +
   'non-extensible objects';
 print(BUGNUMBER + ": " + summary);
 /**************
  * BEGIN TEST *
  **************/
 // No property
 var o1 = {};
 for (var i = 0; i < 5; i++)
   o1.a = 3;
 assertEq(o1.a, 3);
 var o2 = Object.preventExtensions({});
 for (var i = 0; i < 5; i++)
   o2.a = 3;
 assertEq(Object.getOwnPropertyDescriptor(o2, "a"), undefined);
 var o3 = Object.seal({});
 for (var i = 0; i < 5; i++)
   o3.a = 3;
 assertEq(Object.getOwnPropertyDescriptor(o3, "a"), undefined);
 var o4 = Object.freeze({});
 for (var i = 0; i < 5; i++)
   o4.a = 3;
 assertEq(Object.getOwnPropertyDescriptor(o4, "a"), undefined);
 // Has property
 var o5 = { a: 2 };
 for (var i = 0; i < 5; i++)
   o5.a = 3;
 assertEq(o5.a, 3);
 var o6 = Object.preventExtensions({ a: 2 });
 for (var i = 0; i < 5; i++)
   o6.a = 3;
 assertEq(o6.a, 3);
 var o7 = Object.seal({ a: 2 });
 for (var i = 0; i < 5; i++)
   o7.a = 3;
 assertEq(o7.a, 3);
 var o8 = Object.freeze({ a: 2 });
 for (var i = 0; i < 5; i++)
   o8.a = 3;
 assertEq(o8.a, 2);
 // Extensible, hit up the prototype chain
 var o9 = Object.create({ a: 2 });
 for (var i = 0; i < 5; i++)
   o9.a = 3;
 assertEq(o9.a, 3);
 var o10 = Object.create(Object.preventExtensions({ a: 2 }));
 for (var i = 0; i < 5; i++)
   o10.a = 3;
 assertEq(o10.a, 3);
 var o11 = Object.create(Object.seal({ a: 2 }));
 for (var i = 0; i < 5; i++)
   o11.a = 3;
 assertEq(o11.a, 3);
 var o12 = Object.create(Object.freeze({ a: 2 }));
 for (var i = 0; i < 5; i++)
   o12.a = 3;
 assertEq(Object.getOwnPropertyDescriptor(o12, "a"), undefined);
 // Not extensible, hit up the prototype chain
 var o13 = Object.preventExtensions(Object.create({ a: 2 }));
 for (var i = 0; i < 5; i++)
   o13.a = 3;
 assertEq(Object.getOwnPropertyDescriptor(o13, "a"), undefined);
 var o14 =
   Object.preventExtensions(Object.create(Object.preventExtensions({ a: 2 })));
 for (var i = 0; i < 5; i++)
   o14.a = 3;
 assertEq(Object.getOwnPropertyDescriptor(o14, "a"), undefined);
 var o15 = Object.preventExtensions(Object.create(Object.seal({ a: 2 })));
 for (var i = 0; i < 5; i++)
   o15.a = 3;
 assertEq(Object.getOwnPropertyDescriptor(o15, "a"), undefined);
 var o16 = Object.preventExtensions(Object.create(Object.freeze({ a: 2 })));
 for (var i = 0; i < 5; i++)
   o16.a = 3;
 assertEq(Object.getOwnPropertyDescriptor(o16, "a"), undefined);
 /******************************************************************************/
 reportCompare(true, true);
 print("All tests passed!");