private/Test-PackageVersion.ps1

# Make sure the SWID passed to us has a valid version in the range requested by the user
function Test-PackageVersion {
    [CmdletBinding()]
    [OutputType([bool])]
    param (
        [Parameter(Mandatory=$true)]
        [Microsoft.PackageManagement.MetaProvider.PowerShell.SoftwareIdentity]
        $Package,

        [Parameter()]
        [string]
        $RequiredVersion,

        [Parameter()]
        [string]
        $MinimumVersion,

        [Parameter()]
        [string]
        $MaximumVersion
    )

    Write-Debug ($LocalizedData.ProviderDebugMessage -f ('Test-PackageVersion'))

    # User didn't have any version requirements
    if (-Not ($RequiredVersion -Or $MinimumVersion -Or $MaximumVersion)) {
        return $true
    }

    # User specified a specific version - it either matches or it doesn't
    if ($RequiredVersion) {
        return $Package.Version -eq [System.Version]$RequiredVersion
    }

    # Conditional filtering of the version based on optional minimum and maximum version requirements
    (-Not $MinimumVersion -Or (
        $Package.Version -ge [System.Version]$MinimumVersion
    )) -And (-Not $MaximumVersion -Or (
        $Package.Version -le [System.Version]$MaximumVersion
    ))
}