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June 24, 2015 01:54
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JavaScript Speed Test Class From Code School
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/* | |
Speed Test Class | |
Tests a code block X number of times and returns an average of the execution time | |
https://www.codeschool.com/courses/javascript-best-practices | |
*/ | |
var SpeedTest = function(testImplement,testParams,repetitions){ | |
this.testImplement = testImplement; | |
this.testParams = testParams; | |
this.repetitions = repetitions || 10000; | |
this.average = 0; | |
}; | |
SpeedTest.prototype = { | |
startTest: function(){ | |
if( this.testImplement( this.testParams ) === false ){ | |
alert("Yo, man, that test failed with those parameters."); | |
return; | |
} | |
var beginTime, endTime, sumTimes = 0; | |
for (var i = 0, x = this.repetitions; i < x; i++){ | |
beginTime = +new Date(); | |
this.testImplement( this.testParams ); | |
endTime = +new Date(); | |
sumTimes += endTime - beginTime; | |
} | |
this.average = sumTimes / this.repetitions; | |
return console.log("Average execution across " + this.repetitions + ": " + this.average); | |
} | |
}; |
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