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Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically
embedded into Java applications to provide scripting to end users.
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
gTestfile = '15.7.2.js';
/**
File Name: 15.7.2.js
ECMA Section: 15.7.2 The Number Constructor
15.7.2.1
15.7.2.2
Description: 15.7.2 When Number is called as part of a new
expression, it is a constructor: it initializes
the newly created object.
15.7.2.1 The [[Prototype]] property of the newly
constructed object is set to othe original Number
prototype object, the one that is the initial value
of Number.prototype(0). The [[Class]] property is
set to "Number". The [[Value]] property of the
newly constructed object is set to ToNumber(value)
15.7.2.2 new Number(). same as in 15.7.2.1, except
the [[Value]] property is set to +0.
need to add more test cases. see the gTestcases for
TypeConversion ToNumber.
Author: [email protected]
Date: 29 september 1997
*/
var SECTION = "15.7.2";
var VERSION = "ECMA_1";
startTest();
var TITLE = "The Number Constructor";
writeHeaderToLog( SECTION + " "+ TITLE);
// To verify that the object's prototype is the Number.prototype, check to see if the object's
// constructor property is the same as Number.prototype.constructor.
new TestCase(SECTION, "(new Number()).constructor", Number.prototype.constructor, (new Number()).constructor );
new TestCase(SECTION, "typeof (new Number())", "object", typeof (new Number()) );
new TestCase(SECTION, "(new Number()).valueOf()", 0, (new Number()).valueOf() );
new TestCase(SECTION,
"NUMB = new Number();NUMB.toString=Object.prototype.toString;NUMB.toString()",
"[object Number]",
eval("NUMB = new Number();NUMB.toString=Object.prototype.toString;NUMB.toString()") );
new TestCase(SECTION, "(new Number(0)).constructor", Number.prototype.constructor, (new Number(0)).constructor );
new TestCase(SECTION, "typeof (new Number(0))", "object", typeof (new Number(0)) );
new TestCase(SECTION, "(new Number(0)).valueOf()", 0, (new Number(0)).valueOf() );
new TestCase(SECTION,
"NUMB = new Number(0);NUMB.toString=Object.prototype.toString;NUMB.toString()",
"[object Number]",
eval("NUMB = new Number(0);NUMB.toString=Object.prototype.toString;NUMB.toString()") );
new TestCase(SECTION, "(new Number(1)).constructor", Number.prototype.constructor, (new Number(1)).constructor );
new TestCase(SECTION, "typeof (new Number(1))", "object", typeof (new Number(1)) );
new TestCase(SECTION, "(new Number(1)).valueOf()", 1, (new Number(1)).valueOf() );
new TestCase(SECTION,
"NUMB = new Number(1);NUMB.toString=Object.prototype.toString;NUMB.toString()",
"[object Number]",
eval("NUMB = new Number(1);NUMB.toString=Object.prototype.toString;NUMB.toString()") );
new TestCase(SECTION, "(new Number(-1)).constructor", Number.prototype.constructor, (new Number(-1)).constructor );
new TestCase(SECTION, "typeof (new Number(-1))", "object", typeof (new Number(-1)) );
new TestCase(SECTION, "(new Number(-1)).valueOf()", -1, (new Number(-1)).valueOf() );
new TestCase(SECTION,
"NUMB = new Number(-1);NUMB.toString=Object.prototype.toString;NUMB.toString()",
"[object Number]",
eval("NUMB = new Number(-1);NUMB.toString=Object.prototype.toString;NUMB.toString()") );
new TestCase(SECTION, "(new Number(Number.NaN)).constructor", Number.prototype.constructor, (new Number(Number.NaN)).constructor );
new TestCase(SECTION, "typeof (new Number(Number.NaN))", "object", typeof (new Number(Number.NaN)) );
new TestCase(SECTION, "(new Number(Number.NaN)).valueOf()", Number.NaN, (new Number(Number.NaN)).valueOf() );
new TestCase(SECTION,
"NUMB = new Number(Number.NaN);NUMB.toString=Object.prototype.toString;NUMB.toString()",
"[object Number]",
eval("NUMB = new Number(Number.NaN);NUMB.toString=Object.prototype.toString;NUMB.toString()") );
new TestCase(SECTION, "(new Number('string')).constructor", Number.prototype.constructor, (new Number('string')).constructor );
new TestCase(SECTION, "typeof (new Number('string'))", "object", typeof (new Number('string')) );
new TestCase(SECTION, "(new Number('string')).valueOf()", Number.NaN, (new Number('string')).valueOf() );
new TestCase(SECTION,
"NUMB = new Number('string');NUMB.toString=Object.prototype.toString;NUMB.toString()",
"[object Number]",
eval("NUMB = new Number('string');NUMB.toString=Object.prototype.toString;NUMB.toString()") );
new TestCase(SECTION, "(new Number(new String())).constructor", Number.prototype.constructor, (new Number(new String())).constructor );
new TestCase(SECTION, "typeof (new Number(new String()))", "object", typeof (new Number(new String())) );
new TestCase(SECTION, "(new Number(new String())).valueOf()", 0, (new Number(new String())).valueOf() );
new TestCase(SECTION,
"NUMB = new Number(new String());NUMB.toString=Object.prototype.toString;NUMB.toString()",
"[object Number]",
eval("NUMB = new Number(new String());NUMB.toString=Object.prototype.toString;NUMB.toString()") );
new TestCase(SECTION, "(new Number('')).constructor", Number.prototype.constructor, (new Number('')).constructor );
new TestCase(SECTION, "typeof (new Number(''))", "object", typeof (new Number('')) );
new TestCase(SECTION, "(new Number('')).valueOf()", 0, (new Number('')).valueOf() );
new TestCase(SECTION,
"NUMB = new Number('');NUMB.toString=Object.prototype.toString;NUMB.toString()",
"[object Number]",
eval("NUMB = new Number('');NUMB.toString=Object.prototype.toString;NUMB.toString()") );
new TestCase(SECTION, "(new Number(Number.POSITIVE_INFINITY)).constructor", Number.prototype.constructor, (new Number(Number.POSITIVE_INFINITY)).constructor );
new TestCase(SECTION, "typeof (new Number(Number.POSITIVE_INFINITY))", "object", typeof (new Number(Number.POSITIVE_INFINITY)) );
new TestCase(SECTION, "(new Number(Number.POSITIVE_INFINITY)).valueOf()", Number.POSITIVE_INFINITY, (new Number(Number.POSITIVE_INFINITY)).valueOf() );
new TestCase(SECTION,
"NUMB = new Number(Number.POSITIVE_INFINITY);NUMB.toString=Object.prototype.toString;NUMB.toString()",
"[object Number]",
eval("NUMB = new Number(Number.POSITIVE_INFINITY);NUMB.toString=Object.prototype.toString;NUMB.toString()") );
new TestCase(SECTION, "(new Number(Number.NEGATIVE_INFINITY)).constructor", Number.prototype.constructor, (new Number(Number.NEGATIVE_INFINITY)).constructor );
new TestCase(SECTION, "typeof (new Number(Number.NEGATIVE_INFINITY))", "object", typeof (new Number(Number.NEGATIVE_INFINITY)) );
new TestCase(SECTION, "(new Number(Number.NEGATIVE_INFINITY)).valueOf()", Number.NEGATIVE_INFINITY, (new Number(Number.NEGATIVE_INFINITY)).valueOf() );
new TestCase(SECTION,
"NUMB = new Number(Number.NEGATIVE_INFINITY);NUMB.toString=Object.prototype.toString;NUMB.toString()",
"[object Number]",
eval("NUMB = new Number(Number.NEGATIVE_INFINITY);NUMB.toString=Object.prototype.toString;NUMB.toString()") );
new TestCase(SECTION, "(new Number()).constructor", Number.prototype.constructor, (new Number()).constructor );
new TestCase(SECTION, "typeof (new Number())", "object", typeof (new Number()) );
new TestCase(SECTION, "(new Number()).valueOf()", 0, (new Number()).valueOf() );
new TestCase(SECTION,
"NUMB = new Number();NUMB.toString=Object.prototype.toString;NUMB.toString()",
"[object Number]",
eval("NUMB = new Number();NUMB.toString=Object.prototype.toString;NUMB.toString()") );
test();
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