| /* -*- indent-tabs-mode: nil; js-indent-level: 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/. */ |
| |
| |
| /** |
| File Name: 9.3-1.js |
| ECMA Section: 9.3 Type Conversion: ToNumber |
| Description: rules for converting an argument to a number. |
| see 9.3.1 for cases for converting strings to numbers. |
| special cases: |
| undefined NaN |
| Null NaN |
| Boolean 1 if true; +0 if false |
| Number the argument ( no conversion ) |
| String see test 9.3.1 |
| Object see test 9.3-1 |
| |
| |
| This tests ToNumber applied to the object type, except |
| if object is string. See 9.3-2 for |
| ToNumber( String object). |
| |
| Author: christine@netscape.com |
| Date: 10 july 1997 |
| |
| */ |
| var SECTION = "9.3-1"; |
| var VERSION = "ECMA_1"; |
| startTest(); |
| |
| writeHeaderToLog( SECTION + " ToNumber"); |
| |
| // object is Number |
| new TestCase( SECTION, "Number(new Number())", 0, Number(new Number()) ); |
| new TestCase( SECTION, "typeof Number(new Number())", "number", typeof Number(new Number()) ); |
| |
| new TestCase( SECTION, "Number(new Number(Number.NaN))", Number.NaN, Number(new Number(Number.NaN)) ); |
| new TestCase( SECTION, "typeof Number(new Number(Number.NaN))","number", typeof Number(new Number(Number.NaN)) ); |
| |
| new TestCase( SECTION, "Number(new Number(0))", 0, Number(new Number(0)) ); |
| new TestCase( SECTION, "typeof Number(new Number(0))", "number", typeof Number(new Number(0)) ); |
| |
| new TestCase( SECTION, "Number(new Number(null))", 0, Number(new Number(null)) ); |
| new TestCase( SECTION, "typeof Number(new Number(null))", "number", typeof Number(new Number(null)) ); |
| |
| |
| // new TestCase( SECTION, "Number(new Number(void 0))", Number.NaN, Number(new Number(void 0)) ); |
| new TestCase( SECTION, "Number(new Number(true))", 1, Number(new Number(true)) ); |
| new TestCase( SECTION, "typeof Number(new Number(true))", "number", typeof Number(new Number(true)) ); |
| |
| new TestCase( SECTION, "Number(new Number(false))", 0, Number(new Number(false)) ); |
| new TestCase( SECTION, "typeof Number(new Number(false))", "number", typeof Number(new Number(false)) ); |
| |
| // object is boolean |
| new TestCase( SECTION, "Number(new Boolean(true))", 1, Number(new Boolean(true)) ); |
| new TestCase( SECTION, "typeof Number(new Boolean(true))", "number", typeof Number(new Boolean(true)) ); |
| |
| new TestCase( SECTION, "Number(new Boolean(false))", 0, Number(new Boolean(false)) ); |
| new TestCase( SECTION, "typeof Number(new Boolean(false))", "number", typeof Number(new Boolean(false)) ); |
| |
| // object is array |
| new TestCase( SECTION, "Number(new Array(2,4,8,16,32))", Number.NaN, Number(new Array(2,4,8,16,32)) ); |
| new TestCase( SECTION, "typeof Number(new Array(2,4,8,16,32))", "number", typeof Number(new Array(2,4,8,16,32)) ); |
| |
| test(); |