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