зеркало из https://github.com/mozilla/pjs.git
104 строки
6.2 KiB
JavaScript
104 строки
6.2 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: 15.8.2.1.js
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ECMA Section: 15.8.2.1 abs( x )
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Description: return the absolute value of the argument,
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which should be the magnitude of the argument
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with a positive sign.
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- if x is NaN, return NaN
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- if x is -0, result is +0
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- if x is -Infinity, result is +Infinity
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Author: christine@netscape.com
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Date: 7 july 1997
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*/
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var SECTION = "15.8.2.1";
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var VERSION = "ECMA_1";
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startTest();
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var TITLE = "Math.abs()";
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var BUGNUMBER = "77391";
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writeHeaderToLog( SECTION + " "+ TITLE);
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var testcases = getTestCases();
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test();
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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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array[item++] = new TestCase( SECTION, "Math.abs.length", 1, Math.abs.length );
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array[item++] = new TestCase( SECTION, "Math.abs()", Number.NaN, Math.abs() );
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array[item++] = new TestCase( SECTION, "Math.abs( void 0 )", Number.NaN, Math.abs(void 0) );
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array[item++] = new TestCase( SECTION, "Math.abs( null )", 0, Math.abs(null) );
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array[item++] = new TestCase( SECTION, "Math.abs( true )", 1, Math.abs(true) );
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array[item++] = new TestCase( SECTION, "Math.abs( false )", 0, Math.abs(false) );
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array[item++] = new TestCase( SECTION, "Math.abs( string primitive)", Number.NaN, Math.abs("a string primitive") );
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array[item++] = new TestCase( SECTION, "Math.abs( string object )", Number.NaN, Math.abs(new String( 'a String object' )) );
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array[item++] = new TestCase( SECTION, "Math.abs( Number.NaN )", Number.NaN, Math.abs(Number.NaN) );
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array[item++] = new TestCase( SECTION, "Math.abs(0)", 0, Math.abs( 0 ) );
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array[item++] = new TestCase( SECTION, "Math.abs( -0 )", 0, Math.abs(-0) );
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array[item++] = new TestCase( SECTION, "Infinity/Math.abs(-0)", Infinity, Infinity/Math.abs(-0) );
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array[item++] = new TestCase( SECTION, "Math.abs( -Infinity )", Number.POSITIVE_INFINITY, Math.abs( Number.NEGATIVE_INFINITY ) );
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array[item++] = new TestCase( SECTION, "Math.abs( Infinity )", Number.POSITIVE_INFINITY, Math.abs( Number.POSITIVE_INFINITY ) );
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array[item++] = new TestCase( SECTION, "Math.abs( - MAX_VALUE )", Number.MAX_VALUE, Math.abs( - Number.MAX_VALUE ) );
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array[item++] = new TestCase( SECTION, "Math.abs( - MIN_VALUE )", Number.MIN_VALUE, Math.abs( -Number.MIN_VALUE ) );
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array[item++] = new TestCase( SECTION, "Math.abs( MAX_VALUE )", Number.MAX_VALUE, Math.abs( Number.MAX_VALUE ) );
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array[item++] = new TestCase( SECTION, "Math.abs( MIN_VALUE )", Number.MIN_VALUE, Math.abs( Number.MIN_VALUE ) );
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array[item++] = new TestCase( SECTION, "Math.abs( -1 )", 1, Math.abs( -1 ) );
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array[item++] = new TestCase( SECTION, "Math.abs( new Number( -1 ) )", 1, Math.abs( new Number(-1) ) );
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array[item++] = new TestCase( SECTION, "Math.abs( 1 )", 1, Math.abs( 1 ) );
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array[item++] = new TestCase( SECTION, "Math.abs( Math.PI )", Math.PI, Math.abs( Math.PI ) );
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array[item++] = new TestCase( SECTION, "Math.abs( -Math.PI )", Math.PI, Math.abs( -Math.PI ) );
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array[item++] = new TestCase( SECTION, "Math.abs(-1/100000000)", 1/100000000, Math.abs(-1/100000000) );
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array[item++] = new TestCase( SECTION, "Math.abs(-Math.pow(2,32))", Math.pow(2,32), Math.abs(-Math.pow(2,32)) );
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array[item++] = new TestCase( SECTION, "Math.abs(Math.pow(2,32))", Math.pow(2,32), Math.abs(Math.pow(2,32)) );
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array[item++] = new TestCase( SECTION, "Math.abs( -0xfff )", 4095, Math.abs( -0xfff ) );
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array[item++] = new TestCase( SECTION, "Math.abs( -0777 )", 511, Math.abs(-0777 ) );
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array[item++] = new TestCase( SECTION, "Math.abs('-1e-1')", 0.1, Math.abs('-1e-1') );
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array[item++] = new TestCase( SECTION, "Math.abs('0xff')", 255, Math.abs('0xff') );
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array[item++] = new TestCase( SECTION, "Math.abs('077')", 77, Math.abs('077') );
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array[item++] = new TestCase( SECTION, "Math.abs( 'Infinity' )", Infinity, Math.abs('Infinity') );
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array[item++] = new TestCase( SECTION, "Math.abs( '-Infinity' )", Infinity, Math.abs('-Infinity') );
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return ( array );
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}
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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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