mirror of https://github.com/tc39/test262.git
29 lines
822 B
JavaScript
29 lines
822 B
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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The Number prototype object is itself a Number object
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(its [[Class]] is "Number") whose value is +0
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es5id: 15.7.4_A1
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description: Checking type and value of Number.prototype property
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---*/
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//CHECK#1
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if (typeof Number.prototype !== "object") {
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$ERROR('#1: typeof Number.prototype === "object"');
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}
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//CHECK#2
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if (Number.prototype != 0) {
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$ERROR('#2: Number.prototype == +0');
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} else if( 1/Number.prototype != Number.POSITIVE_INFINITY){
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$ERROR('#2: Number.prototype == +0');
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}
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delete Number.prototype.toString;
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if (Number.prototype.toString() !== "[object Number]") {
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$ERROR('#3: The [[Class]] property of the Number prototype object is set to "Number"');
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}
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