| /* -*- 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: 15.7.1.js |
| ECMA Section: 15.7.1 The Number Constructor Called as a Function |
| 15.7.1.1 |
| 15.7.1.2 |
| |
| Description: When Number is called as a function rather than as a |
| constructor, it performs a type conversion. |
| 15.7.1.1 Return a number value (not a Number object) |
| computed by ToNumber( value ) |
| 15.7.1.2 Number() returns 0. |
| |
| need to add more test cases. see the testcases for |
| TypeConversion ToNumber. |
| |
| Author: christine@netscape.com |
| Date: 29 september 1997 |
| */ |
| |
| var SECTION = "15.7.1"; |
| var VERSION = "ECMA_1"; |
| startTest(); |
| var TITLE = "The Number Constructor Called as a Function"; |
| |
| writeHeaderToLog( SECTION + " "+ TITLE); |
| |
| new TestCase(SECTION, "Number()", 0, Number() ); |
| new TestCase(SECTION, "Number(void 0)", Number.NaN, Number(void 0) ); |
| new TestCase(SECTION, "Number(null)", 0, Number(null) ); |
| new TestCase(SECTION, "Number()", 0, Number() ); |
| new TestCase(SECTION, "Number(new Number())", 0, Number( new Number() ) ); |
| new TestCase(SECTION, "Number(0)", 0, Number(0) ); |
| new TestCase(SECTION, "Number(1)", 1, Number(1) ); |
| new TestCase(SECTION, "Number(-1)", -1, Number(-1) ); |
| new TestCase(SECTION, "Number(NaN)", Number.NaN, Number( Number.NaN ) ); |
| new TestCase(SECTION, "Number('string')", Number.NaN, Number( "string") ); |
| new TestCase(SECTION, "Number(new String())", 0, Number( new String() ) ); |
| new TestCase(SECTION, "Number('')", 0, Number( "" ) ); |
| new TestCase(SECTION, "Number(Infinity)", Number.POSITIVE_INFINITY, Number("Infinity") ); |
| |
| new TestCase(SECTION, "Number(new MyObject(100))", 100, Number(new MyObject(100)) ); |
| |
| test(); |
| |
| function MyObject( value ) { |
| this.value = value; |
| this.valueOf = new Function( "return this.value" ); |
| } |