mirror of https://github.com/tc39/test262.git
46 lines
1.7 KiB
JavaScript
46 lines
1.7 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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* When the Object constructor is called with no arguments the following steps are taken:
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* (The argument value was not supplied or its type was Null or Undefined.)
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* i) Create a new native ECMAScript object.
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* ii) The [[Prototype]] property of the newly constructed object is set to the Object prototype object.
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* iii) The [[Class]] property of the newly constructed object is set to "Object".
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* iv) The newly constructed object has no [[Value]] property.
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* v) Return the newly created native object
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*
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* @path 15_Native/15.2_Object_Objects/15.2.2_The_Object_Constructor/S15.2.2.1_A1_T3.js
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* @description Creating new Object(null) and checking its properties
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*/
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var obj = new Object(null);
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// CHECK#0
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if (obj === undefined) {
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$ERROR('#0: new Object(null) return the newly created native object.');
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}
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// CHECK#1
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if (obj.constructor !== Object) {
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$ERROR('#1: new Object(null) create a new native ECMAScript object');
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}
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// CHECK#2
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if (!(Object.prototype.isPrototypeOf(obj))) {
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$ERROR('#2: when new Object(null) calls the [[Prototype]] property of the newly constructed object is set to the Object prototype object.');
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}
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// CHECK#3
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var to_string_result = '[object '+ 'Object' +']';
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if (obj.toString() !== to_string_result) {
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$ERROR('#3: when new Object(null) calls the [[Class]] property of the newly constructed object is set to "Object".');
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}
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// CHECK#4
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if (obj.valueOf().toString() !== to_string_result.toString()) {
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$ERROR('#4: when new Object(null) calls the newly constructed object has no [[Value]] property.');
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}
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