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Add Public Function Test-IsNumericType (#88)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| <# | ||
| .SYNOPSIS | ||
| Returns whether the specified object is of a numeric type. | ||
| .DESCRIPTION | ||
| Returns whether the specified object is of a numeric type. | ||
| .PARAMETER Object | ||
| The object to test if it is a numeric type. | ||
| .EXAMPLE | ||
| Test-IsNumericType -Object ([System.UInt32] 1) | ||
| Returns $true since the object passed is of a numeric type. | ||
| .OUTPUTS | ||
| [System.Boolean] | ||
| #> | ||
| function Test-IsNumericType | ||
| { | ||
| [CmdletBinding()] | ||
| [OutputType([System.Boolean])] | ||
| param | ||
| ( | ||
| [Parameter(ValueFromPipeline = $true)] | ||
| [System.Object] | ||
| $Object | ||
| ) | ||
|
|
||
| process | ||
| { | ||
| $isNumeric = $false | ||
|
|
||
| if ( | ||
| $Object -is [System.Byte] -or | ||
| $Object -is [System.Int16] -or | ||
| $Object -is [System.Int32] -or | ||
| $Object -is [System.Int64] -or | ||
| $Object -is [System.SByte] -or | ||
| $Object -is [System.UInt16] -or | ||
| $Object -is [System.UInt32] -or | ||
| $Object -is [System.UInt64] -or | ||
| $Object -is [System.Decimal] -or | ||
| $Object -is [System.Double] -or | ||
| $Object -is [System.Single] | ||
| ) | ||
| { | ||
| $isNumeric = $true | ||
| } | ||
|
|
||
| return $isNumeric | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| [System.Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseDeclaredVarsMoreThanAssignments', '')] | ||
| param () | ||
|
|
||
| BeforeDiscovery { | ||
| try | ||
| { | ||
| if (-not (Get-Module -Name 'DscResource.Test')) | ||
| { | ||
| # Assumes dependencies has been resolved, so if this module is not available, run 'noop' task. | ||
| if (-not (Get-Module -Name 'DscResource.Test' -ListAvailable)) | ||
| { | ||
| # Redirect all streams to $null, except the error stream (stream 2) | ||
| & "$PSScriptRoot/../../build.ps1" -Tasks 'noop' 2>&1 4>&1 5>&1 6>&1 > $null | ||
| } | ||
|
|
||
| # If the dependencies has not been resolved, this will throw an error. | ||
| Import-Module -Name 'DscResource.Test' -Force -ErrorAction 'Stop' | ||
| } | ||
| } | ||
| catch [System.IO.FileNotFoundException] | ||
| { | ||
| throw 'DscResource.Test module dependency not found. Please run ".\build.ps1 -ResolveDependency -Tasks build" first.' | ||
| } | ||
| } | ||
|
|
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| BeforeAll { | ||
| $script:dscModuleName = 'DscResource.Common' | ||
|
|
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| Import-Module -Name $script:dscModuleName | ||
|
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| $PSDefaultParameterValues['InModuleScope:ModuleName'] = $script:dscModuleName | ||
| $PSDefaultParameterValues['Mock:ModuleName'] = $script:dscModuleName | ||
| $PSDefaultParameterValues['Should:ModuleName'] = $script:dscModuleName | ||
| } | ||
|
|
||
| AfterAll { | ||
| $PSDefaultParameterValues.Remove('InModuleScope:ModuleName') | ||
| $PSDefaultParameterValues.Remove('Mock:ModuleName') | ||
| $PSDefaultParameterValues.Remove('Should:ModuleName') | ||
|
|
||
| # Unload the module being tested so that it doesn't impact any other tests. | ||
| Get-Module -Name $script:dscModuleName -All | Remove-Module -Force | ||
| } | ||
|
|
||
| Describe 'Test-IsNumericType' -Tag 'Public' { | ||
| Context 'When passing value with named parameter' { | ||
| Context 'When type is numeric' { | ||
| It 'Should return the correct value' { | ||
| InModuleScope -ScriptBlock { | ||
| $result = Test-IsNumericType -Object ([System.UInt32] 3) | ||
|
|
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| $result | Should -BeTrue | ||
| } | ||
| } | ||
| } | ||
|
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| Context 'When type is not numeric' { | ||
| It 'Should return the correct value' { | ||
| InModuleScope -ScriptBlock { | ||
| $result = Test-IsNumericType -Object ([System.String] 'a') | ||
|
|
||
| $result | Should -BeFalse | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| Context 'When passing value in pipeline' { | ||
| Context 'When type is numeric' { | ||
| It 'Should return the correct value' { | ||
| InModuleScope -ScriptBlock { | ||
| $result = ([System.UInt32] 3) | Test-IsNumericType | ||
|
|
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| $result | Should -BeTrue | ||
| } | ||
| } | ||
| } | ||
|
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| Context 'When type is not numeric' { | ||
| It 'Should return the correct value' { | ||
| InModuleScope -ScriptBlock { | ||
| $result = ([System.String] 'a') | Test-IsNumericType | ||
|
|
||
| $result | Should -BeFalse | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |