зеркало из https://github.com/mozilla/pjs.git
85 строки
3.7 KiB
JavaScript
85 строки
3.7 KiB
JavaScript
/* 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 );
|
|
}
|