зеркало из https://github.com/mozilla/gecko-dev.git
90 строки
4.2 KiB
JavaScript
90 строки
4.2 KiB
JavaScript
/* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator client code, released March
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* 31, 1998.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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*/
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/**
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File Name: 9.3.js
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ECMA Section: 9.3 Type Conversion: ToNumber
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Description: rules for converting an argument to a number.
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see 9.3.1 for cases for converting strings to numbers.
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special cases:
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undefined NaN
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Null NaN
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Boolean 1 if true; +0 if false
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Number the argument ( no conversion )
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String see test 9.3.1
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Object see test 9.3-1
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For ToNumber applied to the String type, see test 9.3.1.
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For ToNumber applied to the object type, see test 9.3-1.
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Author: christine@netscape.com
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Date: 10 july 1997
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*/
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var SECTION = "9.3";
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var VERSION = "ECMA_1";
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startTest();
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var TITLE = "ToNumber";
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writeHeaderToLog( SECTION + " "+ TITLE);
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var testcases = getTestCases();
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test();
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function test() {
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for ( tc=0; tc < testcases.length; tc++ ) {
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testcases[tc].passed = writeTestCaseResult(
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testcases[tc].expect,
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testcases[tc].actual,
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testcases[tc].description +" = "+
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testcases[tc].actual );
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testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
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}
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stopTest();
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return ( testcases );
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}
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function getTestCases() {
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var array = new Array();
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var item = 0;
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// special cases here
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array[item++] = new TestCase( SECTION, "Number()", 0, Number() );
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array[item++] = new TestCase( SECTION, "Number(eval('var x'))", Number.NaN, Number(eval("var x")) );
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array[item++] = new TestCase( SECTION, "Number(void 0)", Number.NaN, Number(void 0) );
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array[item++] = new TestCase( SECTION, "Number(null)", 0, Number(null) );
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array[item++] = new TestCase( SECTION, "Number(true)", 1, Number(true) );
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array[item++] = new TestCase( SECTION, "Number(false)", 0, Number(false) );
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array[item++] = new TestCase( SECTION, "Number(0)", 0, Number(0) );
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array[item++] = new TestCase( SECTION, "Number(-0)", -0, Number(-0) );
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array[item++] = new TestCase( SECTION, "Number(1)", 1, Number(1) );
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array[item++] = new TestCase( SECTION, "Number(-1)", -1, Number(-1) );
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array[item++] = new TestCase( SECTION, "Number(Number.MAX_VALUE)", 1.7976931348623157e308, Number(Number.MAX_VALUE) );
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array[item++] = new TestCase( SECTION, "Number(Number.MIN_VALUE)", 5e-324, Number(Number.MIN_VALUE) );
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array[item++] = new TestCase( SECTION, "Number(Number.NaN)", Number.NaN, Number(Number.NaN) );
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array[item++] = new TestCase( SECTION, "Number(Number.POSITIVE_INFINITY)", Number.POSITIVE_INFINITY, Number(Number.POSITIVE_INFINITY) );
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array[item++] = new TestCase( SECTION, "Number(Number.NEGATIVE_INFINITY)", Number.NEGATIVE_INFINITY, Number(Number.NEGATIVE_INFINITY) );
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return ( array );
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}
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