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| 1 | +. $PSScriptRoot\ErrorFunctions.ps1 |
| 2 | + |
| 3 | +############################################################################################################ |
| 4 | + |
| 5 | +#region Demo |
| 6 | + |
| 7 | +# Get-ChildItem c:\nonexistantfolder\bla.txt |
| 8 | +# 1 / 0 |
| 9 | +# Import-Excel -Path x:\nonexistingfile.xlsx |
| 10 | + |
| 11 | +# $ErrorView = 'NormalView' |
| 12 | +# $ErrorView = 'ConciseView' |
| 13 | + |
| 14 | +#endregion |
| 15 | + |
| 16 | +############################################################################################################ |
| 17 | + |
| 18 | +#region Demo Write-Error |
| 19 | + |
| 20 | +# https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.utility/write-error?view=powershell-7.4 |
| 21 | + |
| 22 | +# Write-Error "MyWriteError" |
| 23 | +# "Myerror" | Write-Error |
| 24 | + |
| 25 | +#endregion |
| 26 | + |
| 27 | +############################################################################################################ |
| 28 | + |
| 29 | +#region Demo Write-Error in function |
| 30 | + |
| 31 | +# invoke-WriteError -inputObject 'apple', "forbiddenFruit", 'orange' |
| 32 | +# Write-Host "Script still running" |
| 33 | + |
| 34 | +#endregion |
| 35 | + |
| 36 | +############################################################################################################ |
| 37 | + |
| 38 | +#region Demo Write-Error pipeline |
| 39 | + |
| 40 | +# 'apple', "forbiddenFruit", 'orange' | invoke-WriteError |
| 41 | +# Write-Host "Script still running" |
| 42 | + |
| 43 | +#endregion |
| 44 | + |
| 45 | +############################################################################################################ |
| 46 | + |
| 47 | +#region Demo Write-Error catch try |
| 48 | + |
| 49 | +# try { |
| 50 | +# invoke-WriteError -inputObject 'apple', "forbiddenFruit", 'orange' #-ErrorAction stop |
| 51 | +# Write-Host "Script still running" |
| 52 | +# } |
| 53 | +# catch { |
| 54 | +# Write-Host "ran into an error" |
| 55 | +# $PSItem |
| 56 | +# } |
| 57 | + |
| 58 | +#endregion |
| 59 | + |
| 60 | +############################################################################################################ |
| 61 | + |
| 62 | +#region Demo Write-Error control with $erroractionpreference |
| 63 | + |
| 64 | +# $erroractionpreference = 'continue' |
| 65 | +# invoke-WriteError -inputObject 'apple', "forbiddenFruit", 'orange' |
| 66 | +# Write-Host "Script still running" |
| 67 | + |
| 68 | +#endregion |
| 69 | + |
| 70 | +############################################################################################################ |
| 71 | + |
| 72 | +#region Demo Write-Error $? |
| 73 | + |
| 74 | +# invoke-WriteError -inputObject "forbiddenFruit" #-ErrorAction stop |
| 75 | +# $? |
| 76 | + |
| 77 | +#endregion |
| 78 | + |
| 79 | +############################################################################################################ |
| 80 | + |
| 81 | +#region Demo PsCmdlet.WriteError / try catch |
| 82 | + |
| 83 | +# try { |
| 84 | +# Invoke-CmdletWriteError -inputObject 'apple', "forbiddenFruit", 'orange' #-ErrorAction stop |
| 85 | +# Write-Output "Script still running" |
| 86 | +# } |
| 87 | +# catch { |
| 88 | +# Write-Output "caught error" |
| 89 | +# $_ |
| 90 | +# } |
| 91 | + |
| 92 | +#endregion |
| 93 | + |
| 94 | +############################################################################################################ |
| 95 | + |
| 96 | +#region Demo PsCmdlet.WriteError / $? |
| 97 | + |
| 98 | +# Invoke-CmdletWriteError -inputObject "forbiddenFruit" |
| 99 | +# $? |
| 100 | + |
| 101 | +#endregion |
| 102 | + |
| 103 | +############################################################################################################ |
| 104 | +#region Demo throw terminating error simple |
| 105 | + |
| 106 | +# Invoke-ThrowSimple -inputObject 'apple', "forbiddenFruit", 'orange' |
| 107 | +# Write-Host "Script still running" |
| 108 | + |
| 109 | +#endregion |
| 110 | + |
| 111 | +############################################################################################################ |
| 112 | + |
| 113 | +#region Demo throw $erroractionpreference and try catch behavior |
| 114 | + |
| 115 | +# Invoke-ThrowSimple -inputObject 'apple', "forbiddenFruit", 'orange' #-ErrorAction SilentlyContinue |
| 116 | +# Write-Host "Script still running" |
| 117 | + |
| 118 | + |
| 119 | +# try { |
| 120 | +# Invoke-ThrowSimple -inputObject 'apple', "forbiddenFruit", 'orange' #-ErrorAction SilentlyContinue |
| 121 | +# Write-Host "Script still running" |
| 122 | +# } |
| 123 | +# catch { |
| 124 | +# Write-Host "caught error" |
| 125 | +# $_ |
| 126 | +# } |
| 127 | + |
| 128 | +#endregion |
| 129 | + |
| 130 | +############################################################################################################ |
| 131 | + |
| 132 | +#region Demo throw exception |
| 133 | + |
| 134 | +# Invoke-ThrowException -inputObject 'apple', "forbiddenFruit", 'orange' |
| 135 | + |
| 136 | +#endregion |
| 137 | + |
| 138 | +############################################################################################################ |
| 139 | + |
| 140 | +#region Demo throw error record |
| 141 | + |
| 142 | +# Invoke-ThrowErrorRecord -inputObject 'apple', "forbiddenFruit", 'orange' |
| 143 | + |
| 144 | +#endregion |
| 145 | + |
| 146 | +############################################################################################################ |
| 147 | + |
| 148 | +#region Demo PsCmdlet.ThrowTerminatingError / try catch |
| 149 | + |
| 150 | +# Invoke-ThrowTerminatingError -inputObject 'apple', "forbiddenFruit", 'orange' #-ErrorAction SilentlyContinue |
| 151 | +# Write-Output "Script still running" |
| 152 | + |
| 153 | +# try { |
| 154 | +# Invoke-ThrowTerminatingError -inputObject 'apple', "forbiddenFruit", 'orange' |
| 155 | +# Write-Output "Script still running" |
| 156 | +# } |
| 157 | +# catch { |
| 158 | +# Write-Output "caught error" |
| 159 | +# $_ |
| 160 | +# } |
| 161 | + |
| 162 | +#endregion |
| 163 | + |
| 164 | + |
| 165 | + |
| 166 | + |
| 167 | + |
| 168 | +############################################################################################################ |
| 169 | +############################################################################################################ |
| 170 | +############################################################################################################ |
| 171 | +# Bonus |
| 172 | +############################################################################################################ |
| 173 | +############################################################################################################ |
| 174 | +#region rethrow error |
| 175 | + |
| 176 | +# Invoke-Rethrow |
| 177 | + |
| 178 | +#endregion |
| 179 | + |
| 180 | +############################################################################################################ |
| 181 | + |
| 182 | +#region InnerException |
| 183 | + |
| 184 | +# Invoke-InnerException |
| 185 | + |
| 186 | +#endregion |
| 187 | +############################################################################################################ |
| 188 | + |
| 189 | +#region Demo catching specific exception |
| 190 | + |
| 191 | +# try { |
| 192 | +# Invoke-ThrowTerminatingError -inputObject 'apple', "forbiddenFruit", 'orange' #-ErrorAction stop |
| 193 | +# Write-Output "Script still running" |
| 194 | +# }catch [System.ArgumentException] { |
| 195 | +# Write-Output "caught ArgumentException error" |
| 196 | +# $_ |
| 197 | +# }catch [System.IO.FileNotFoundException] { |
| 198 | +# Write-Output "caught FileNotFoundException error" |
| 199 | +# $_ |
| 200 | +# }catch { |
| 201 | +# Write-Output "caught other error" |
| 202 | +# $_ |
| 203 | +# } |
| 204 | + |
| 205 | +#endregion |
| 206 | + |
| 207 | +############################################################################################################ |
| 208 | + |
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