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/* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code, released March
* 31, 1998.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
*/
/**
File Name: 15.8.2.8.js
ECMA Section: 15.8.2.8 Math.exp(x)
Description: return an approximation to the exponential function of
the argument (e raised to the power of the argument)
special cases:
- if x is NaN return NaN
- if x is 0 return 1
- if x is -0 return 1
- if x is Infinity return Infinity
- if x is -Infinity return 0
Author: christine@netscape.com
Date: 7 july 1997
*/
var SECTION = "15.8.2.8";
var VERSION = "ECMA_1";
startTest();
var TITLE = "Math.exp(x)";
writeHeaderToLog( SECTION + " "+ TITLE);
var testcases = getTestCases();
test();
function getTestCases() {
var array = new Array();
var item = 0;
array[item++] = new TestCase( SECTION, "Math.exp.length", 1, Math.exp.length );
array[item++] = new TestCase( SECTION, "Math.exp()", Number.NaN, Math.exp() );
array[item++] = new TestCase( SECTION, "Math.exp(null)", 1, Math.exp(null) );
array[item++] = new TestCase( SECTION, "Math.exp(void 0)", Number.NaN, Math.exp(void 0) );
array[item++] = new TestCase( SECTION, "Math.exp(1)", Math.E, Math.exp(1) );
array[item++] = new TestCase( SECTION, "Math.exp(true)", Math.E, Math.exp(true) );
array[item++] = new TestCase( SECTION, "Math.exp(false)", 1, Math.exp(false) );
array[item++] = new TestCase( SECTION, "Math.exp('1')", Math.E, Math.exp('1') );
array[item++] = new TestCase( SECTION, "Math.exp('0')", 1, Math.exp('0') );
array[item++] = new TestCase( SECTION, "Math.exp(NaN)", Number.NaN, Math.exp(Number.NaN) );
array[item++] = new TestCase( SECTION, "Math.exp(0)", 1, Math.exp(0) );
array[item++] = new TestCase( SECTION, "Math.exp(-0)", 1, Math.exp(-0) );
array[item++] = new TestCase( SECTION, "Math.exp(Infinity)", Number.POSITIVE_INFINITY, Math.exp(Number.POSITIVE_INFINITY) );
array[item++] = new TestCase( SECTION, "Math.exp(-Infinity)", 0, Math.exp(Number.NEGATIVE_INFINITY) );
return ( array );
}
function test() {
for ( tc=0; tc < testcases.length; tc++ ) {
testcases[tc].passed = writeTestCaseResult(
testcases[tc].expect,
testcases[tc].actual,
testcases[tc].description +" = "+
testcases[tc].actual );
testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
}
stopTest();
return ( testcases );
}
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