/* The contents of this file are subject to the Netscape Public * License Version 1.1 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.mozilla.org/NPL/ * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code is Mozilla Communicator client code, released March * 31, 1998. * * The Initial Developer of the Original Code is Netscape Communications * Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All * Rights Reserved. * * Contributor(s): * */ /** 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 testcases for TypeConversion ToNumber. Author: christine@netscape.com Date: 29 september 1997 */ var SECTION = "15.7.2"; var VERSION = "ECMA_1"; startTest(); var TITLE = "The Number Constructor"; writeHeaderToLog( SECTION + " "+ TITLE); var testcases = getTestCases(); test(); function getTestCases() { var array = new Array(); var item = 0; // 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. array[item++] = new TestCase(SECTION, "(new Number()).constructor", Number.prototype.constructor, (new Number()).constructor ); array[item++] = new TestCase(SECTION, "typeof (new Number())", "object", typeof (new Number()) ); array[item++] = new TestCase(SECTION, "(new Number()).valueOf()", 0, (new Number()).valueOf() ); array[item++] = 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()") ); array[item++] = new TestCase(SECTION, "(new Number(0)).constructor", Number.prototype.constructor, (new Number(0)).constructor ); array[item++] = new TestCase(SECTION, "typeof (new Number(0))", "object", typeof (new Number(0)) ); array[item++] = new TestCase(SECTION, "(new Number(0)).valueOf()", 0, (new Number(0)).valueOf() ); array[item++] = 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()") ); array[item++] = new TestCase(SECTION, "(new Number(1)).constructor", Number.prototype.constructor, (new Number(1)).constructor ); array[item++] = new TestCase(SECTION, "typeof (new Number(1))", "object", typeof (new Number(1)) ); array[item++] = new TestCase(SECTION, "(new Number(1)).valueOf()", 1, (new Number(1)).valueOf() ); array[item++] = 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()") ); array[item++] = new TestCase(SECTION, "(new Number(-1)).constructor", Number.prototype.constructor, (new Number(-1)).constructor ); array[item++] = new TestCase(SECTION, "typeof (new Number(-1))", "object", typeof (new Number(-1)) ); array[item++] = new TestCase(SECTION, "(new Number(-1)).valueOf()", -1, (new Number(-1)).valueOf() ); array[item++] = 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()") ); array[item++] = new TestCase(SECTION, "(new Number(Number.NaN)).constructor", Number.prototype.constructor, (new Number(Number.NaN)).constructor ); array[item++] = new TestCase(SECTION, "typeof (new Number(Number.NaN))", "object", typeof (new Number(Number.NaN)) ); array[item++] = new TestCase(SECTION, "(new Number(Number.NaN)).valueOf()", Number.NaN, (new Number(Number.NaN)).valueOf() ); array[item++] = 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()") ); array[item++] = new TestCase(SECTION, "(new Number('string')).constructor", Number.prototype.constructor, (new Number('string')).constructor ); array[item++] = new TestCase(SECTION, "typeof (new Number('string'))", "object", typeof (new Number('string')) ); array[item++] = new TestCase(SECTION, "(new Number('string')).valueOf()", Number.NaN, (new Number('string')).valueOf() ); array[item++] = 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()") ); array[item++] = new TestCase(SECTION, "(new Number(new String())).constructor", Number.prototype.constructor, (new Number(new String())).constructor ); array[item++] = new TestCase(SECTION, "typeof (new Number(new String()))", "object", typeof (new Number(new String())) ); array[item++] = new TestCase(SECTION, "(new Number(new String())).valueOf()", 0, (new Number(new String())).valueOf() ); array[item++] = 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()") ); array[item++] = new TestCase(SECTION, "(new Number('')).constructor", Number.prototype.constructor, (new Number('')).constructor ); array[item++] = new TestCase(SECTION, "typeof (new Number(''))", "object", typeof (new Number('')) ); array[item++] = new TestCase(SECTION, "(new Number('')).valueOf()", 0, (new Number('')).valueOf() ); array[item++] = 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()") ); array[item++] = new TestCase(SECTION, "(new Number(Number.POSITIVE_INFINITY)).constructor", Number.prototype.constructor, (new Number(Number.POSITIVE_INFINITY)).constructor ); array[item++] = new TestCase(SECTION, "typeof (new Number(Number.POSITIVE_INFINITY))", "object", typeof (new Number(Number.POSITIVE_INFINITY)) ); array[item++] = new TestCase(SECTION, "(new Number(Number.POSITIVE_INFINITY)).valueOf()", Number.POSITIVE_INFINITY, (new Number(Number.POSITIVE_INFINITY)).valueOf() ); array[item++] = 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()") ); array[item++] = new TestCase(SECTION, "(new Number(Number.NEGATIVE_INFINITY)).constructor", Number.prototype.constructor, (new Number(Number.NEGATIVE_INFINITY)).constructor ); array[item++] = new TestCase(SECTION, "typeof (new Number(Number.NEGATIVE_INFINITY))", "object", typeof (new Number(Number.NEGATIVE_INFINITY)) ); array[item++] = new TestCase(SECTION, "(new Number(Number.NEGATIVE_INFINITY)).valueOf()", Number.NEGATIVE_INFINITY, (new Number(Number.NEGATIVE_INFINITY)).valueOf() ); array[item++] = 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()") ); array[item++] = new TestCase(SECTION, "(new Number()).constructor", Number.prototype.constructor, (new Number()).constructor ); array[item++] = new TestCase(SECTION, "typeof (new Number())", "object", typeof (new Number()) ); array[item++] = new TestCase(SECTION, "(new Number()).valueOf()", 0, (new Number()).valueOf() ); array[item++] = 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()") ); return ( array ); } function test() { for ( tc=0; tc < testcases.length; tc++ ) { testcases[tc].passed = writeTestCaseResult( testcases[tc].expect, testcases[tc].actual, testcases[tc].description +" = "+ testcases[tc].actual ); testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value "; } stopTest(); return ( testcases ); }