Test-GacAssemblyInstallReferenceCanBeUsed.ps1

<#
.SYNOPSIS
    Determines whether the install reference can be used
.DESCRIPTION
    Determines whether the install reference can be used with Add-GacAssembly and Remove-GacAssembly. Only types Installer,
    FilePath en Opaque can be used. WindowsInstaller and OsInstall not.
.PARAMETER InstallReference
    Specifies the install reference to be tested
.INPUTS
    [PowerShellGac.InstallReference[]]
.EXAMPLE
    C:\PS> Test-GacAssemblyInstallReferenceCanBeUsed (New-GacAssemblyInstallReference Opaque ([guid]::NewGuid()))
     
    True
     
    C:\PS> Test-GacAssemblyInstallReferenceCanBeUsed (New-GacAssemblyInstallReference WindowsInstaller 'MSI')
     
    False
 
    This example shows how you can determine if the install reference can be used.
.LINK
    Add-GacAssembly
.LINK
    Remove-GacAssembly
.LINK
    http://powershellgac.codeplex.com
#>

function Test-GacAssemblyInstallReferenceCanBeUsed
{
    [CmdletBinding()]
    [OutputType('System.Boolean')]
    param
    (
        [Parameter(Position = 0, Mandatory = $true, ValueFromPipeline = $true)]
        [ValidateNotNullOrEmpty()]
        [PowerShellGac.InstallReference[]] $InstallReference
    )
    
    process
    {
        foreach ($reference in $InstallReference)
        {
            $reference.CanBeUsed()
        }
    }
}