PowerShell Confirm Mode Test

ConfirmMod.psm1

function Invoke-MainFunc {
    [CmdletBinding(SupportsShouldProcess = $true)]
    param (
        [string]$message
    )
    Write-Verbose -Message ('Confirm is: {0}' -f $Confirm) -Verbose
    Write-Verbose -Message ('Confirm is present: {0}' -f $PSBoundParameters.ContainsKey('Confirm')) -Verbose
    Write-Verbose -Message ('PSBound is: {0}' -f $PSBoundParameters['Confirm']) -Verbose
    Write-Verbose -Message ('Invoke.PSBound is present: {0}' -f $MyInvocation.BoundParameters.ContainsKey('Confirm')) -Verbose
    Write-Verbose -Message ('Invoke.PSBound is: {0}' -f $MyInvocation.BoundParameters['Confirm']) -Verbose
    Invoke-SubFunc -Message $Message
}

function Invoke-SubFunc {
    [CmdletBinding(SupportsShouldProcess = $true)]
    param (
        [string]$message
    )
    Write-Verbose -Message ('Sub Confirm is: {0}' -f $Confirm) -Verbose
    Write-Verbose -Message ('Sub Confirm is present: {0}' -f $PSBoundParameters.ContainsKey('Confirm')) -Verbose
    Write-Verbose -Message ('Sub PSBound is: {0}' -f $PSBoundParameters['Confirm']) -Verbose
    Write-Verbose -Message ('Sub Invoke.PSBound is present: {0}' -f $MyInvocation.BoundParameters.ContainsKey('Confirm')) -Verbose
    Write-Verbose -Message ('Sub Invoke.PSBound is: {0}' -f $MyInvocation.BoundParameters['Confirm']) -Verbose
    $message | Out-File -FilePath (Join-Path -Path $PWD -ChildPath '/foobartest.txt') -Encoding utf8 -Append
    Remove-Item -Path (Join-Path -Path $PWD -ChildPath '/foobartest.txt')
}

Test-ConfirmMod.ps1

Import-Module .\ConfirmMod.psm1 -Verbose -Force
"============== $('Invoke-Mainfunc -message ''foo'' ') ==================`r`n"
Invoke-Mainfunc -message 'foo'
"`r`n----------- $('Invoke-Mainfunc -message ''foo'' -Confirm') --------------------`r`n"
Invoke-Mainfunc -message 'foo' -Confirm
"`r`n----------- $('Invoke-Mainfunc -message ''foo'' -Confirm:$false') --------------------`r`n"
Invoke-Mainfunc -message 'foo' -Confirm:$false
"`r`n----------- $('Invoke-Mainfunc -message ''foo'' -Confirm:$true') --------------------`r`n"
Invoke-Mainfunc -message 'foo' -Confirm:$true