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45 lines
1.6 KiB
JavaScript
45 lines
1.6 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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info: >
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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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es5id: 15.2.2.1_A1_T2
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description: Creating new Object(void 0) and checking its properties
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---*/
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//var foo = void 0;
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var obj = new Object(void 0);
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// CHECK#0
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if (obj === undefined) {
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$ERROR('#0: new Object(undefined) return the newly created native object.');
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}
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// CHECK#1
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if (obj.constructor !== Object) {
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$ERROR('#1: new Object(undefined) 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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$ERROR('#2: when new Object(undefined) calls the [[Prototype]] property of the newly constructed object is set to the Object prototype object.');
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}
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// CHECK#3
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var to_string_result = '[object '+ 'Object' +']';
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if (obj.toString() !== to_string_result) {
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$ERROR('#3: when new Object(undefined) 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(undefined) calls the newly constructed object has no [[Value]] property.');
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}
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