test262/test/built-ins/Number/S15.7.2.1_A2.js

30 lines
852 B
JavaScript

// Copyright 2009 the Sputnik authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
info: >
The [[Prototype]] property of the newly constructed object
is set to the original Number prototype object, the one that is the
initial value of Number.prototype
es5id: 15.7.2.1_A2
description: Checking prototype property of the newly created objects
---*/
// CHECK#1
var x1 = new Number(1);
if (typeof x1.constructor.prototype !== "object") {
$ERROR('#1: typeof x1.constructor.prototype === "object"');
}
//CHECK#2
var x2 = new Number(2);
if (!Number.prototype.isPrototypeOf(x2)) {
$ERROR('#2: Number.prototype.isPrototypeOf(x2)');
}
//CHECK#3
var x3 = new Number(3);
if (Number.prototype !== x3.constructor.prototype) {
$ERROR('#3: Number.prototype === x3.constructor.prototype');
}