| /* -*- 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.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 |
| |
| For ToNumber applied to the String type, see test 9.3.1. |
| For ToNumber applied to the object type, see test 9.3-1. |
| |
| Author: christine@netscape.com |
| Date: 10 july 1997 |
| |
| */ |
| var SECTION = "9.3"; |
| var VERSION = "ECMA_1"; |
| startTest(); |
| var TITLE = "ToNumber"; |
| |
| writeHeaderToLog( SECTION + " "+ TITLE); |
| |
| // special cases here |
| |
| new TestCase( SECTION, "Number()", 0, Number() ); |
| new TestCase( SECTION, "Number(eval('var x'))", Number.NaN, Number(eval("var x")) ); |
| new TestCase( SECTION, "Number(void 0)", Number.NaN, Number(void 0) ); |
| new TestCase( SECTION, "Number(null)", 0, Number(null) ); |
| new TestCase( SECTION, "Number(true)", 1, Number(true) ); |
| new TestCase( SECTION, "Number(false)", 0, Number(false) ); |
| new TestCase( SECTION, "Number(0)", 0, Number(0) ); |
| 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(Number.MAX_VALUE)", 1.7976931348623157e308, Number(Number.MAX_VALUE) ); |
| new TestCase( SECTION, "Number(Number.MIN_VALUE)", 5e-324, Number(Number.MIN_VALUE) ); |
| |
| new TestCase( SECTION, "Number(Number.NaN)", Number.NaN, Number(Number.NaN) ); |
| new TestCase( SECTION, "Number(Number.POSITIVE_INFINITY)", Number.POSITIVE_INFINITY, Number(Number.POSITIVE_INFINITY) ); |
| new TestCase( SECTION, "Number(Number.NEGATIVE_INFINITY)", Number.NEGATIVE_INFINITY, Number(Number.NEGATIVE_INFINITY) ); |
| |
| test(); |