src/General/Assert-Null.ps1
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function Assert-Null { param ( [Parameter(Position=1, ValueFromPipeline=$true)] $Actual, [String]$Message ) $Actual = Collect-Input -ParameterInput $Actual -PipelineInput $local:Input if ($null -ne $Actual) { $Message = Get-AssertionMessage -Expected $null -Actual $Actual -Message $Message -DefaultMessage "Expected `$null, but got <actualType> '<actual>'." throw [Assertions.AssertionException]$Message } $Actual } |