WindowsDefenderDsc

1.0.0.0

DSCResource.Tests/DscResource.AnalyzerRules/DscResource.AnalyzerRules.psm1

#Requires -Version 4.0

# Import helper module
Import-Module -Name (Join-Path -Path $PSScriptRoot -ChildPath 'DscResource.AnalyzerRules.Helper.psm1')

# Import Localized Data
Import-LocalizedData -BindingVariable localizedData

$script:diagnosticRecordType = [Microsoft.Windows.PowerShell.ScriptAnalyzer.Generic.DiagnosticRecord]
$script:diagnosticRecord = @{
    Message  = ''
    Extent   = $null
    RuleName = $null
    Severity = 'Warning'
}

<#
    .SYNOPSIS
        Validates the [Parameter()] attribute for each parameter.
 
    .DESCRIPTION
        All parameters in a param block must contain a [Parameter()] attribute
        and it must be the first attribute for each parameter and must start with
        a capital letter P.
 
    .EXAMPLE
        Measure-ParameterBlockParameterAttribute -ParameterAst $parameterAst
 
    .INPUTS
        [System.Management.Automation.Language.ParameterAst]
 
    .OUTPUTS
        [Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]]
 
    .NOTES
        None
#>
function Measure-ParameterBlockParameterAttribute
{
    [CmdletBinding()]
    [OutputType([Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]])]
    Param
    (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.Management.Automation.Language.ParameterAst]
        $ParameterAst
    )

    try
    {
        $script:diagnosticRecord['Extent'] = $ParameterAst.Extent
        $script:diagnosticRecord['RuleName'] = $PSCmdlet.MyInvocation.InvocationName
        [System.Boolean] $inAClass = Test-IsInClass -Ast $ParameterAst
        
        <#
            If we are in a class the parameter attributes are not valid in Classes
            the ParameterValidation attributes are however
        #>
        if (!$inAClass)
        {
            if ($ParameterAst.Attributes.TypeName.FullName -notcontains 'parameter')
            {
                $script:diagnosticRecord['Message'] = $localizedData.ParameterBlockParameterAttributeMissing

                $script:diagnosticRecord -as $script:diagnosticRecordType
            }
            elseif ($ParameterAst.Attributes[0].TypeName.FullName -ne 'parameter')
            {
                $script:diagnosticRecord['Message'] = $localizedData.ParameterBlockParameterAttributeWrongPlace

                $script:diagnosticRecord -as $script:diagnosticRecordType
            }
            elseif ($ParameterAst.Attributes[0].TypeName.FullName -cne 'Parameter')
            {
                $script:diagnosticRecord['Message'] = $localizedData.ParameterBlockParameterAttributeLowerCase

                $script:diagnosticRecord -as $script:diagnosticRecordType
            }
        }
    }
    catch
    {
        $PSCmdlet.ThrowTerminatingError($PSItem)
    }
}

<#
    .SYNOPSIS
        Validates use of the Mandatory named argument within a Parameter attribute.
 
    .DESCRIPTION
        If a parameter attribute contains the mandatory attribute the
        mandatory attribute must be formatted correctly.
 
    .EXAMPLE
        Measure-ParameterBlockMandatoryNamedArgument -NamedAttributeArgumentAst $namedAttributeArgumentAst
 
    .INPUTS
        [System.Management.Automation.Language.NamedAttributeArgumentAst]
 
    .OUTPUTS
        [Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]]
 
    .NOTES
        None
#>
function Measure-ParameterBlockMandatoryNamedArgument
{
    [CmdletBinding()]
    [OutputType([Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]])]
    Param
    (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.Management.Automation.Language.NamedAttributeArgumentAst]
        $NamedAttributeArgumentAst
    )

    try
    {
        $script:diagnosticRecord['RuleName'] = $PSCmdlet.MyInvocation.InvocationName
        [System.Boolean] $inAClass = Test-IsInClass -Ast $NamedAttributeArgumentAst

        <#
            Parameter Attributes are not valid in classes, and DscProperty does
            not use the (Mandatory = $true) format just DscProperty(Mandatory)
        #>
        if (!$inAClass)
        {
            if ($NamedAttributeArgumentAst.ArgumentName -eq 'Mandatory')
            {
                $script:diagnosticRecord['Extent'] = $NamedAttributeArgumentAst.Extent

                if ($NamedAttributeArgumentAst)
                {
                    $invalidFormat = $false
                    try
                    {
                        $value = $NamedAttributeArgumentAst.Argument.SafeGetValue()
                        if ($value -eq $false)
                        {
                            $script:diagnosticRecord['Message'] = $localizedData.ParameterBlockNonMandatoryParameterMandatoryAttributeWrongFormat

                            $script:diagnosticRecord -as $script:diagnosticRecordType
                        }
                        elseif ($NamedAttributeArgumentAst.Argument.VariablePath.UserPath -cne 'true')
                        {
                            $invalidFormat = $true
                        }
                        elseif ($NamedAttributeArgumentAst.ArgumentName -cne 'Mandatory')
                        {
                            $invalidFormat = $true
                        }
                    }
                    catch
                    {
                        $invalidFormat = $true
                    }

                    if ($invalidFormat)
                    {
                        $script:diagnosticRecord['Message'] = $localizedData.ParameterBlockParameterMandatoryAttributeWrongFormat

                        $script:diagnosticRecord -as $script:diagnosticRecordType
                    }
                }
            }
        }
    }
    catch
    {
        $PSCmdlet.ThrowTerminatingError($PSItem)
    }
}

<#
    .SYNOPSIS
        Validates the function block braces and new lines around braces.
 
    .DESCRIPTION
        Each function should have the opening brace on a separate line.
        Also, the opening brace should be followed by a new line.
 
    .EXAMPLE
        Measure-FunctionBlockBraces -FunctionDefinitionAst $ScriptBlockAst
 
    .INPUTS
        [System.Management.Automation.Language.FunctionDefinitionAst]
 
    .OUTPUTS
        [Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]]
 
   .NOTES
        None
#>
function Measure-FunctionBlockBraces
{
    [CmdletBinding()]
    [OutputType([Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]])]
    param
    (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.Management.Automation.Language.FunctionDefinitionAst]
        $FunctionDefinitionAst
    )

    try
    {
        $script:diagnosticRecord['Extent'] = $FunctionDefinitionAst.Extent
        $script:diagnosticRecord['RuleName'] = $PSCmdlet.MyInvocation.InvocationName

        $testParameters = @{
            StatementBlock = $FunctionDefinitionAst.Extent
        }

        if (Test-StatementOpeningBraceOnSameLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.FunctionOpeningBraceNotOnSameLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsNotFollowedByNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.FunctionOpeningBraceShouldBeFollowedByNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsFollowedByMoreThanOneNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.FunctionOpeningBraceShouldBeFollowedByOnlyOneNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if
    }
    catch
    {
        $PSCmdlet.ThrowTerminatingError($PSItem)
    }
}

<#
    .SYNOPSIS
        Validates the if-statement block braces and new lines around braces.
 
    .DESCRIPTION
        Each if-statement should have the opening brace on a separate line.
        Also, the opening brace should be followed by a new line.
 
    .EXAMPLE
        Measure-IfStatement -IfStatementAst $ScriptBlockAst
 
    .INPUTS
        [System.Management.Automation.Language.IfStatementAst]
 
    .OUTPUTS
        [Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]]
 
   .NOTES
        None
#>
function Measure-IfStatement
{
    [CmdletBinding()]
    [OutputType([Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]])]
    Param
    (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.Management.Automation.Language.IfStatementAst]
        $IfStatementAst
    )

    try
    {
        $script:diagnosticRecord['Extent'] = $IfStatementAst.Extent
        $script:diagnosticRecord['RuleName'] = $PSCmdlet.MyInvocation.InvocationName

        $testParameters = @{
            StatementBlock = $IfStatementAst.Extent
        }

        if (Test-StatementOpeningBraceOnSameLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.IfStatementOpeningBraceNotOnSameLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsNotFollowedByNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.IfStatementOpeningBraceShouldBeFollowedByNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsFollowedByMoreThanOneNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.IfStatementOpeningBraceShouldBeFollowedByOnlyOneNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if
    }
    catch
    {
        $PSCmdlet.ThrowTerminatingError($PSItem)
    }
}

<#
    .SYNOPSIS
        Validates the foreach-statement block braces and new lines around braces.
 
    .DESCRIPTION
        Each foreach-statement should have the opening brace on a separate line.
        Also, the opening brace should be followed by a new line.
 
    .EXAMPLE
        Measure-ForEachStatement -ForEachStatementAst $ScriptBlockAst
 
    .INPUTS
        [System.Management.Automation.Language.ForEachStatementAst]
 
    .OUTPUTS
        [Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]]
 
   .NOTES
        None
#>
function Measure-ForEachStatement
{
    [CmdletBinding()]
    [OutputType([Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]])]
    Param
    (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.Management.Automation.Language.ForEachStatementAst]
        $ForEachStatementAst
    )

    try
    {
        $script:diagnosticRecord['Extent'] = $ForEachStatementAst.Extent
        $script:diagnosticRecord['RuleName'] = $PSCmdlet.MyInvocation.InvocationName

        $testParameters = @{
            StatementBlock = $ForEachStatementAst.Extent
        }

        if (Test-StatementOpeningBraceOnSameLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.ForEachStatementOpeningBraceNotOnSameLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsNotFollowedByNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.ForEachStatementOpeningBraceShouldBeFollowedByNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsFollowedByMoreThanOneNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.ForEachStatementOpeningBraceShouldBeFollowedByOnlyOneNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if
    }
    catch
    {
        $PSCmdlet.ThrowTerminatingError($PSItem)
    }
}

<#
    .SYNOPSIS
        Validates the DoUntil-statement block braces and new lines around braces.
 
    .DESCRIPTION
        Each DoUntil-statement should have the opening brace on a separate line.
        Also, the opening brace should be followed by a new line.
 
    .EXAMPLE
        Measure-DoUntilStatement -DoUntilStatementAst $ScriptBlockAst
 
    .INPUTS
        [System.Management.Automation.Language.DoUntilStatementAst]
 
    .OUTPUTS
        [Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]]
 
   .NOTES
        None
#>
function Measure-DoUntilStatement
{
    [CmdletBinding()]
    [OutputType([Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]])]
    Param
    (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.Management.Automation.Language.DoUntilStatementAst]
        $DoUntilStatementAst
    )

    try
    {
        $script:diagnosticRecord['Extent'] = $DoUntilStatementAst.Extent
        $script:diagnosticRecord['RuleName'] = $PSCmdlet.MyInvocation.InvocationName

        $testParameters = @{
            StatementBlock = $DoUntilStatementAst.Extent
        }

        if (Test-StatementOpeningBraceOnSameLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.DoUntilStatementOpeningBraceNotOnSameLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsNotFollowedByNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.DoUntilStatementOpeningBraceShouldBeFollowedByNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsFollowedByMoreThanOneNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.DoUntilStatementOpeningBraceShouldBeFollowedByOnlyOneNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if
    }
    catch
    {
        $PSCmdlet.ThrowTerminatingError($PSItem)
    }
}

<#
    .SYNOPSIS
        Validates the DoWhile-statement block braces and new lines around braces.
 
    .DESCRIPTION
        Each DoWhile-statement should have the opening brace on a separate line.
        Also, the opening brace should be followed by a new line.
 
    .EXAMPLE
        Measure-DoWhileStatement -DoWhileStatementAst $ScriptBlockAst
 
    .INPUTS
        [System.Management.Automation.Language.DoWhileStatementAst]
 
    .OUTPUTS
        [Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]]
 
   .NOTES
        None
#>
function Measure-DoWhileStatement
{
    [CmdletBinding()]
    [OutputType([Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]])]
    Param
    (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.Management.Automation.Language.DoWhileStatementAst]
        $DoWhileStatementAst
    )

    try
    {
        $script:diagnosticRecord['Extent'] = $DoWhileStatementAst.Extent
        $script:diagnosticRecord['RuleName'] = $PSCmdlet.MyInvocation.InvocationName

        $testParameters = @{
            StatementBlock = $DoWhileStatementAst.Extent
        }

        if (Test-StatementOpeningBraceOnSameLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.DoWhileStatementOpeningBraceNotOnSameLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsNotFollowedByNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.DoWhileStatementOpeningBraceShouldBeFollowedByNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsFollowedByMoreThanOneNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.DoWhileStatementOpeningBraceShouldBeFollowedByOnlyOneNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if
    }
    catch
    {
        $PSCmdlet.ThrowTerminatingError($PSItem)
    }
}

<#
    .SYNOPSIS
        Validates the while-statement block braces and new lines around braces.
 
    .DESCRIPTION
        Each while-statement should have the opening brace on a separate line.
        Also, the opening brace should be followed by a new line.
 
    .EXAMPLE
        Measure-WhileStatement -WhileStatementAst $ScriptBlockAst
 
    .INPUTS
        [System.Management.Automation.Language.WhileStatementAst]
 
    .OUTPUTS
        [Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]]
 
   .NOTES
        None
#>
function Measure-WhileStatement
{
    [CmdletBinding()]
    [OutputType([Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]])]
    Param
    (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.Management.Automation.Language.WhileStatementAst]
        $WhileStatementAst
    )

    try
    {
        $script:diagnosticRecord['Extent'] = $WhileStatementAst.Extent
        $script:diagnosticRecord['RuleName'] = $PSCmdlet.MyInvocation.InvocationName

        $testParameters = @{
            StatementBlock = $WhileStatementAst.Extent
        }

        if (Test-StatementOpeningBraceOnSameLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.WhileStatementOpeningBraceNotOnSameLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsNotFollowedByNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.WhileStatementOpeningBraceShouldBeFollowedByNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsFollowedByMoreThanOneNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.WhileStatementOpeningBraceShouldBeFollowedByOnlyOneNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if
    }
    catch
    {
        $PSCmdlet.ThrowTerminatingError($PSItem)
    }
}

<#
    .SYNOPSIS
        Validates the for-statement block braces and new lines around braces.
 
    .DESCRIPTION
        Each for-statement should have the opening brace on a separate line.
        Also, the opening brace should be followed by a new line.
 
    .EXAMPLE
        Measure-ForStatement -ForStatementAst $ScriptBlockAst
 
    .INPUTS
        [System.Management.Automation.Language.ForStatementAst]
 
    .OUTPUTS
        [Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]]
 
   .NOTES
        None
#>
function Measure-ForStatement
{
    [CmdletBinding()]
    [OutputType([Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]])]
    Param
    (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.Management.Automation.Language.ForStatementAst]
        $ForStatementAst
    )

    try
    {
        $script:diagnosticRecord['Extent'] = $ForStatementAst.Extent
        $script:diagnosticRecord['RuleName'] = $PSCmdlet.MyInvocation.InvocationName

        $testParameters = @{
            StatementBlock = $ForStatementAst.Extent
        }

        if (Test-StatementOpeningBraceOnSameLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.ForStatementOpeningBraceNotOnSameLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsNotFollowedByNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.ForStatementOpeningBraceShouldBeFollowedByNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsFollowedByMoreThanOneNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.ForStatementOpeningBraceShouldBeFollowedByOnlyOneNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if
    }
    catch
    {
        $PSCmdlet.ThrowTerminatingError($PSItem)
    }
}

<#
    .SYNOPSIS
        Validates the switch-statement block braces and new lines around braces.
 
    .DESCRIPTION
        Each switch-statement should have the opening brace on a separate line.
        Also, the opening brace should be followed by a new line.
 
    .EXAMPLE
        Measure-SwitchStatement -SwitchStatementAst $ScriptBlockAst
 
    .INPUTS
        [System.Management.Automation.Language.SwitchStatementAst]
 
    .OUTPUTS
        [Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]]
 
   .NOTES
        None
#>
function Measure-SwitchStatement
{
    [CmdletBinding()]
    [OutputType([Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]])]
    Param
    (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.Management.Automation.Language.SwitchStatementAst]
        $SwitchStatementAst
    )

    try
    {
        $script:diagnosticRecord['Extent'] = $SwitchStatementAst.Extent
        $script:diagnosticRecord['RuleName'] = $PSCmdlet.MyInvocation.InvocationName

        $testParameters = @{
            StatementBlock = $SwitchStatementAst.Extent
        }

        <#
            Must use an else block here, because otherwise, if there is a
            switch-clause that is formatted wrong it will hit on that
            and return the wrong rule message.
        #>
        if (Test-StatementOpeningBraceOnSameLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.SwitchStatementOpeningBraceNotOnSameLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if
        elseif (Test-StatementOpeningBraceIsNotFollowedByNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.SwitchStatementOpeningBraceShouldBeFollowedByNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsFollowedByMoreThanOneNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.SwitchStatementOpeningBraceShouldBeFollowedByOnlyOneNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if
    }
    catch
    {
        $PSCmdlet.ThrowTerminatingError($PSItem)
    }
}

<#
    .SYNOPSIS
        Validates the try-statement block braces and new lines around braces.
 
    .DESCRIPTION
        Each try-statement should have the opening brace on a separate line.
        Also, the opening brace should be followed by a new line.
 
    .EXAMPLE
        Measure-TryStatement -TryStatementAst $ScriptBlockAst
 
    .INPUTS
        [System.Management.Automation.Language.TryStatementAst]
 
    .OUTPUTS
        [Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]]
 
   .NOTES
        None
#>
function Measure-TryStatement
{
    [CmdletBinding()]
    [OutputType([Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]])]
    Param
    (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.Management.Automation.Language.TryStatementAst]
        $TryStatementAst
    )

    try
    {
        $script:diagnosticRecord['Extent'] = $TryStatementAst.Extent
        $script:diagnosticRecord['RuleName'] = $PSCmdlet.MyInvocation.InvocationName

        $testParameters = @{
            StatementBlock = $TryStatementAst.Extent
        }

        if (Test-StatementOpeningBraceOnSameLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.TryStatementOpeningBraceNotOnSameLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsNotFollowedByNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.TryStatementOpeningBraceShouldBeFollowedByNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsFollowedByMoreThanOneNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.TryStatementOpeningBraceShouldBeFollowedByOnlyOneNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if
    }
    catch
    {
        $PSCmdlet.ThrowTerminatingError($PSItem)
    }
}

<#
    .SYNOPSIS
        Validates the catch-clause block braces and new lines around braces.
 
    .DESCRIPTION
        Each catch-clause should have the opening brace on a separate line.
        Also, the opening brace should be followed by a new line.
 
    .EXAMPLE
        Measure-CatchClause -CatchClauseAst $ScriptBlockAst
 
    .INPUTS
        [System.Management.Automation.Language.CatchClauseAst]
 
    .OUTPUTS
        [Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]]
 
   .NOTES
        None
#>
function Measure-CatchClause
{
    [CmdletBinding()]
    [OutputType([Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]])]
    Param
    (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.Management.Automation.Language.CatchClauseAst]
        $CatchClauseAst
    )

    try
    {
        $script:diagnosticRecord['Extent'] = $CatchClauseAst.Extent
        $script:diagnosticRecord['RuleName'] = $PSCmdlet.MyInvocation.InvocationName

        $testParameters = @{
            StatementBlock = $CatchClauseAst.Extent
        }

        if (Test-StatementOpeningBraceOnSameLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.CatchClauseOpeningBraceNotOnSameLine
            $script:diagnosticRecord -as $diagnosticRecordType
        }

        if (Test-StatementOpeningBraceIsNotFollowedByNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.CatchClauseOpeningBraceShouldBeFollowedByNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if

        if (Test-StatementOpeningBraceIsFollowedByMoreThanOneNewLine @testParameters)
        {
            $script:diagnosticRecord['Message'] = $localizedData.CatchClauseOpeningBraceShouldBeFollowedByOnlyOneNewLine
            $script:diagnosticRecord -as $diagnosticRecordType
        } # if
    }
    catch
    {
        $PSCmdlet.ThrowTerminatingError($PSItem)
    }
}

<#
    .SYNOPSIS
        Validates the Class and Enum of PowerShell.
 
    .DESCRIPTION
        Each Class or Enum must be formatted correctly.
 
    .EXAMPLE
        Measure-TypeDefinition -TypeDefinitionAst $ScriptBlockAst
 
    .INPUTS
        [System.Management.Automation.Language.TypeDefinitionAst]
 
    .OUTPUTS
        [Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]]
 
   .NOTES
        None
#>
function Measure-TypeDefinition
{
    [CmdletBinding()]
    [OutputType([Microsoft.Windows.Powershell.ScriptAnalyzer.Generic.DiagnosticRecord[]])]
    Param
    (
        [Parameter(Mandatory = $true)]
        [ValidateNotNullOrEmpty()]
        [System.Management.Automation.Language.TypeDefinitionAst]
        $TypeDefinitionAst
    )

    try
    {
        $script:diagnosticRecord['Extent'] = $TypeDefinitionAst.Extent
        $script:diagnosticRecord['RuleName'] = $PSCmdlet.MyInvocation.InvocationName

        $testParameters = @{
            StatementBlock = $TypeDefinitionAst.Extent
        }
        
        if ($TypeDefinitionAst.IsEnum)
        {
            if (Test-StatementOpeningBraceOnSameLine @testParameters)
            {
                $script:diagnosticRecord['Message'] = $localizedData.EnumOpeningBraceNotOnSameLine
                $script:diagnosticRecord -as $diagnosticRecordType
            } # if

            if (Test-StatementOpeningBraceIsNotFollowedByNewLine @testParameters)
            {
                $script:diagnosticRecord['Message'] = $localizedData.EnumOpeningBraceShouldBeFollowedByNewLine
                $script:diagnosticRecord -as $diagnosticRecordType
            } # if

            if (Test-StatementOpeningBraceIsFollowedByMoreThanOneNewLine @testParameters)
            {
                $script:diagnosticRecord['Message'] = $localizedData.EnumOpeningBraceShouldBeFollowedByOnlyOneNewLine
                $script:diagnosticRecord -as $diagnosticRecordType
            } # if
        } # if
        elseif ($TypeDefinitionAst.IsClass)
        {
            if (Test-StatementOpeningBraceOnSameLine @testParameters)
            {
                $script:diagnosticRecord['Message'] = $localizedData.ClassOpeningBraceNotOnSameLine
                $script:diagnosticRecord -as $diagnosticRecordType
            } # if

            if (Test-StatementOpeningBraceIsNotFollowedByNewLine @testParameters)
            {
                $script:diagnosticRecord['Message'] = $localizedData.ClassOpeningBraceShouldBeFollowedByNewLine
                $script:diagnosticRecord -as $diagnosticRecordType
            } # if

            if (Test-StatementOpeningBraceIsFollowedByMoreThanOneNewLine @testParameters)
            {
                $script:diagnosticRecord['Message'] = $localizedData.ClassOpeningBraceShouldBeFollowedByOnlyOneNewLine
                $script:diagnosticRecord -as $diagnosticRecordType
            } # if
        } # if
    }
    catch
    {
        $PSCmdlet.ThrowTerminatingError($PSItem)
    }
}

Export-ModuleMember -Function Measure-*