92 lines
1.9 KiB
JavaScript
92 lines
1.9 KiB
JavaScript
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/**
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* Common performance testing functionality
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*
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* Copyright (C) 2010 Mike Gerwitz
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*
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* This file is part of ease.js.
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*
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* ease.js is free software: you can redistribute it and/or modify it under the
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* terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation, either version 3 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @author Mike Gerwitz
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* @package performance
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*/
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/**
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* Stores start time
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* @type {number}
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*/
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var start = 0;
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/**
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* Includes a module from the lib directory
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*
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* @param {string} name module name
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*
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* @return {Object} module exports
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*/
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exports.require = function( name )
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{
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return require( '../../lib/' + name );
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};
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/**
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* A simple wrapper to perform testing and output the result
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*
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* @param {function()} test performance test to perform
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* @param {string=} desc test description
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*
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* @return {undefined}
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*/
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exports.test = function( test, desc )
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{
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exports.start();
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test();
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exports.report( desc );
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};
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/**
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* Starts the timer
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*
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* @return {undefined}
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*/
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exports.start = function()
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{
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start = ( new Date() ).getTime();
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};
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/**
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* Outputs the time elapsed, followed by the description (if available)
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*
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* @param {string=} desc test description
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*
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* @return {undefined}
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*/
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exports.report = function( desc )
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{
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desc = desc || '';
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var end = ( new Date() ).getTime(),
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total = ( ( end - start ) / 1000 ).toFixed( 3 )
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;
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console.log( total + 's' +
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( ( desc ) ? ( ': ' + desc ) : '' )
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);
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};
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