mirror of
https://github.com/tc39/test262.git
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74 lines
3.0 KiB
JavaScript
74 lines
3.0 KiB
JavaScript
// Copyright 2009 the Sputnik authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/**
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* Native ECMAScript objects have an internal property called [[Prototype]]. The value of this property is
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* either null or an object and is used for implementing inheritance
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*
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* @path ch08/8.6/8.6.2/S8.6.2_A1.js
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* @description Check [[Prototype]] property of object
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*/
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//////////////////////////////////////////////////////////////////////////////
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//CHECK#1
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var __obj={};
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if (!Object.prototype.isPrototypeOf(__obj)){
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$ERROR('#1: Native ECMAScript objects have an internal property called [[Prototype]]. ');
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};
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//
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//////////////////////////////////////////////////////////////////////////////
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//Establish proto (base) object
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/*function ProtoObj(){
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};*/
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var protoObj={};
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//Establish foo object
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function FooObj(){};
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//////////////////////////////////////////////////////////////////////////////
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//CHECK#2
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// Invoke instance of foo object
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var obj__= new FooObj;
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if (!Object.prototype.isPrototypeOf(obj__)){
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$ERROR('#2.1: protoObj={}; function FooObj(){}; var obj__= new FooObj; Object.prototype.isPrototypeOf(obj__) === true. Actual: ' + (Object.prototype.isPrototypeOf(obj__)));
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};
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if (!FooObj.prototype.isPrototypeOf(obj__)){
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$ERROR('#2.2: protoObj={}; function FooObj(){}; var obj__= new FooObj; FooObj.prototype.isPrototypeOf(obj__) === true. Actual: ' + (FooObj.prototype.isPrototypeOf(obj__)));
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};
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if (protoObj.isPrototypeOf(obj__)){
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$ERROR('#2.3: protoObj={}; function FooObj(){}; var obj__= new FooObj; protoObj.isPrototypeOf(obj__) === false. Actual: ' + (protoObj.isPrototypeOf(obj__)));
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};
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// Establish inheritance from proto object
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FooObj.prototype=protoObj;
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if (protoObj.isPrototypeOf(obj__)){
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$ERROR('#2.4: protoObj={}; function FooObj(){}; var obj__= new FooObj; FooObj.prototype=protoObj; protoObj.isPrototypeOf(obj__) === false. Actual: ' + (protoObj.isPrototypeOf(obj__)));
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};
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//
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//////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////
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//CHECK#3
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// Invoke instance of foo object
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var __foo=new FooObj;
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if (!Object.prototype.isPrototypeOf(__foo)){
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$ERROR('#3.1: protoObj={}; function FooObj(){}; var obj__= new FooObj; FooObj.prototype=protoObj; var __foo=new FooObj; Object.prototype.isPrototypeOf(__foo) === true. Actual: ' + (Object.prototype.isPrototypeOf(__foo)));
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};
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if (!FooObj.prototype.isPrototypeOf(__foo)){
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$ERROR('#3.2: protoObj={}; function FooObj(){}; var obj__= new FooObj; FooObj.prototype=protoObj; var __foo=new FooObj; FooObj.prototype.isPrototypeOf(__foo) === true. Actual: ' + (FooObj.prototype.isPrototypeOf(__foo)));
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};
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if (!protoObj.isPrototypeOf(__foo)){
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$ERROR('#3.3: protoObj={}; function FooObj(){}; var obj__= new FooObj; FooObj.prototype=protoObj; var __foo=new FooObj; protoObj.isPrototypeOf(__foo) === true. Actual: ' + (protoObj.isPrototypeOf(__foo)));
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};
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//
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//////////////////////////////////////////////////////////////////////////////
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