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23
24Test prototypes of various objects and the various means to access them.
25
26On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
27
28
29PASS ('').__proto__ is String.prototype
30PASS (0).__proto__ is Number.prototype
31PASS ([]).__proto__ is Array.prototype
32PASS ({}).__proto__ is Object.prototype
33PASS (new Date).__proto__ is Date.prototype
34PASS (new Number).__proto__ is Number.prototype
35PASS (new Object).__proto__ is Object.prototype
36PASS (new String).__proto__ is String.prototype
37PASS Array.prototype.__proto__ is Object.prototype
38PASS Date.prototype.__proto__ is Object.prototype
39PASS Number.prototype.__proto__ is Object.prototype
40PASS Object.prototype.__proto__ is null
41PASS String.prototype.__proto__ is Object.prototype
42PASS Array.__proto__ is Object.__proto__
43PASS Date.__proto__ is Object.__proto__
44PASS Number.__proto__ is Object.__proto__
45PASS String.__proto__ is Object.__proto__
46PASS Object.getPrototypeOf('') is String.prototype
47PASS Object.getPrototypeOf(0) is Number.prototype
48PASS Object.getPrototypeOf([]) is Array.prototype
49PASS Object.getPrototypeOf({}) is Object.prototype
50PASS Object.getPrototypeOf(new Date) is Date.prototype
51PASS Object.getPrototypeOf(new Number) is Number.prototype
52PASS Object.getPrototypeOf(new Object) is Object.prototype
53PASS Object.getPrototypeOf(new String) is String.prototype
54PASS Object.getPrototypeOf(Array.prototype) is Object.prototype
55PASS Object.getPrototypeOf(Date.prototype) is Object.prototype
56PASS Object.getPrototypeOf(Number.prototype) is Object.prototype
57PASS Object.getPrototypeOf(Object.prototype) is null
58PASS Object.getPrototypeOf(String.prototype) is Object.prototype
59PASS Object.getPrototypeOf(Array) is Object.__proto__
60PASS Object.getPrototypeOf(Date) is Object.__proto__
61PASS Object.getPrototypeOf(Number) is Object.__proto__
62PASS Object.getPrototypeOf(String) is Object.__proto__
63PASS String.prototype.isPrototypeOf('') is false
64PASS Number.prototype.isPrototypeOf(0) is false
65PASS Array.prototype.isPrototypeOf([]) is true
66PASS Object.prototype.isPrototypeOf({}) is true
67PASS Date.prototype.isPrototypeOf(new Date) is true
68PASS Number.prototype.isPrototypeOf(new Number) is true
69PASS Object.prototype.isPrototypeOf(new Object) is true
70PASS String.prototype.isPrototypeOf(new String) is true
71PASS Object.prototype.isPrototypeOf(Array.prototype) is true
72PASS Object.prototype.isPrototypeOf(Date.prototype) is true
73PASS Object.prototype.isPrototypeOf(Number.prototype) is true
74PASS Object.prototype.isPrototypeOf(String.prototype) is true
75PASS Object.__proto__.isPrototypeOf(Array) is true
76PASS Object.__proto__.isPrototypeOf(Date) is true
77PASS Object.__proto__.isPrototypeOf(Number) is true
78PASS Object.__proto__.isPrototypeOf(String) is true
79PASS var wasSet = false; var o = { }; o.__defineGetter__("__proto__", function() { wasSet = true }); o.__proto__; wasSet; is true
80PASS var wasSet = false; var o = { }; o.__defineSetter__("__proto__", function() { wasSet = true }); o.__proto__ = {}; wasSet; is true
81PASS var wasSet = false; var o = { }; Object.defineProperty(o, "__proto__", { "get": function() { wasSet = true } }); o.__proto__; wasSet; is true
82PASS var wasSet = false; var o = { }; Object.defineProperty(o, "__proto__", { "__proto__": function(x) { wasSet = true } }); o.__proto__ = {}; wasSet; is false
83PASS var o = {}; o.__proto__ = { x:true }; o.x is true
84PASS var o = {}; o.__proto__ = { x:true }; o.hasOwnProperty('__proto__') is false
85PASS var o = {}; o.__proto__ = { x:true }; o.x is undefined.
86PASS var o = {}; o.__proto__ = { x:true }; o.hasOwnProperty('__proto__') is true
87PASS successfullyParsed is true
88
89TEST COMPLETE
90
91