$Iterations = 500
$Files = 100

#Create Folder to store temp files
$MetricFolder = New-Item -ItemType Directory -Path "$($env:USERPROFILE)\Desktop\MetricTest"

#Create Files
for($I=0;$I -lt $Files; $I++) {
    "ASDFTESTASDF" | Out-File -FilePath (Join-Path -Path $MetricFolder.FullName -ChildPath "$I.txt")
}

$GetSingleMetrics = Measure-Command -Expression {
    for($It=0; $It -lt $Iterations; $It++){
        for($I=0;$I -lt $Files; $I++) {
            $null = Get-Item -Path (Join-Path -Path $MetricFolder.FullName -ChildPath "$I.txt")
        }
    }
}

$GetAllNameMetrics = Measure-Command -Expression {
    for($It=0; $It -lt $Iterations; $It++){
        $null = Get-ChildItem -Path $MetricFolder.FullName -Name
    }
}

$GetAllMetrics = Measure-Command -Expression {
    for($It=0; $It -lt $Iterations; $It++){
        $null = Get-ChildItem -Path $MetricFolder.FullName
    }
}

$GetAllAndQueryMetrics = Measure-Command -Expression {
    for($It=0; $It -lt $Iterations; $It++){
        $ResultArray = Get-ChildItem -Path $MetricFolder.FullName
        $ResultHashTable = @{}
        foreach ($File in $ResultArray) {
            $ResultHashTable.Add($File.FullName, $File)
        }
        for($I=0;$I -lt $Files; $I++) {
            $null = $ResultHashTable[(Join-Path -Path $MetricFolder.FullName -ChildPath "$I.txt")]
        }
    }
}

$GetAllFilterMetrics = Measure-Command -Expression {
    for($It=0; $It -lt $Iterations; $It++){
        $null = Get-Item -Path "$($MetricFolder.FullName)\*"
    }
}

#Create More Files
for($I=$Files;$I -lt $Files*2; $I++) {
    "ASDFTESTASDF" | Out-File -FilePath (Join-Path -Path $MetricFolder.FullName -ChildPath "$I.txt")
}

$GetAllAndQueryWithExtraMetrics = Measure-Command -Expression {
    for($It=0; $It -lt $Iterations; $It++){
        $ResultArray = Get-ChildItem -Path $MetricFolder.FullName
        $ResultHashTable = @{}
        foreach ($File in $ResultArray) {
            $ResultHashTable.Add($File.FullName, $File)
        }
        for($I=0;$I -lt $Files; $I++) {
            $null = $ResultHashTable[(Join-Path -Path $MetricFolder.FullName -ChildPath "$I.txt")]
        }
    }
}

#Cleanup
$MetricFolder | Remove-Item -Recurse