michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: var BUGNUMBER = 444787;
michael@0: var summary = 'Object.getPrototypeOf';
michael@0: var actual = '';
michael@0: var expect = '';
michael@0: 
michael@0: 
michael@0: //-----------------------------------------------------------------------------
michael@0: test();
michael@0: //-----------------------------------------------------------------------------
michael@0: 
michael@0: function test()
michael@0: {
michael@0:   enterFunc ('test');
michael@0:   printBugNumber(BUGNUMBER);
michael@0:   printStatus (summary);
michael@0:  
michael@0:   var i;
michael@0:   var type;
michael@0:   var instance;
michael@0:   var types = [
michael@0:     Array,
michael@0:     Boolean,
michael@0:     Date,
michael@0:     Error,
michael@0:     Function,
michael@0:     Math,
michael@0:     Number,
michael@0:     Object,
michael@0:     RegExp,
michael@0:     String,
michael@0:     ];
michael@0: 
michael@0:   for (i = 0; i < types.length; i++)
michael@0:   {
michael@0:     type = types[i];
michael@0: 
michael@0:     if (typeof type.__proto__ != 'undefined')
michael@0:     {
michael@0:       expect = type.__proto__;
michael@0:       actual = Object.getPrototypeOf(type);
michael@0:       reportCompare(expect, actual, summary + ': ' + type.name);
michael@0:     }
michael@0: 
michael@0:     try
michael@0:     {
michael@0:       eval('instance = new ' + type.name);
michael@0:       expect = type.prototype;
michael@0:       actual = Object.getPrototypeOf(instance);
michael@0:       reportCompare(expect, actual, summary + ': new ' + type.name);
michael@0:     }
michael@0:     catch(ex if ex instanceof TypeError)
michael@0:     {
michael@0:       print('Ignore ' + ex);
michael@0:     }
michael@0:     catch(ex)
michael@0:     {
michael@0:       actual = ex + '';
michael@0:       reportCompare(expect, actual, summary + ': new ' + type.name);
michael@0:     }
michael@0: 
michael@0:   }
michael@0: 
michael@0:   types = [null, undefined];
michael@0: 
michael@0:   for (i = 0; i < types.length; i++)
michael@0:   {
michael@0:     type = types[i];
michael@0:     expect = 'TypeError: Object.getPrototype is not a function';
michael@0:     try
michael@0:     {
michael@0:       actual = Object.getPrototype(null);
michael@0:     }
michael@0:     catch(ex)
michael@0:     {
michael@0:       actual = ex + '';
michael@0:     }
michael@0:     reportCompare(expect, actual, summary + ': ' + type);
michael@0:   }
michael@0: 
michael@0:   var objects = [
michael@0:     {instance: [0], type: Array},
michael@0:     {instance: (function () {}), type: Function},
michael@0:     {instance: eval, type: Function},
michael@0:     {instance: parseInt, type: Function},
michael@0:     {instance: {a: ''}, type: Object},
michael@0:     {instance: /foo/, type: RegExp}
michael@0:     ];
michael@0: 
michael@0:   for (i = 0; i < objects.length; i++)
michael@0:   {
michael@0:     instance = objects[i].instance;
michael@0:     type     = objects[i].type;
michael@0:     expect   = type.prototype;
michael@0:     actual   = Object.getPrototypeOf(instance);
michael@0:     reportCompare(expect, actual, summary + ' instance: ' + instance + ', type: ' + type.name);
michael@0:   }
michael@0: 
michael@0:   var non_objects = [ true, false, 1.0, Infinity, NaN, Math.PI, "bar" ];
michael@0: 
michael@0:   for (i = 0; i < non_objects.length; i++)
michael@0:   {
michael@0:     instance = non_objects[i];
michael@0:     expect = 'TypeError: instance is not an object';
michael@0:     try
michael@0:     {
michael@0:       actual = Object.getPrototypeOf(instance);
michael@0:     }
michael@0:     catch(ex)
michael@0:     {
michael@0:       actual = ex + '';
michael@0:     }
michael@0:     reportCompare(expect, actual, summary + ' non-object: ' + actual);
michael@0:   }
michael@0: 
michael@0:   exitFunc ('test');
michael@0: }