24 lines
1 KiB
PowerShell
24 lines
1 KiB
PowerShell
Describe 'conversion syntax' -Tags "innerloop", "DRT" {
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# these test suite covers ([<type>]<expression>).<method>() syntax.
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# it mixes two purposes: casting and super-class method calls.
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It 'converts array of single enum to bool' {
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# This test relies on the fact that [ConsoleColor]::Black is 0 and all other values are non-zero
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[bool]@([ConsoleColor]::Black) | Should Be $false
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[bool]@([ConsoleColor]::Yellow) | Should Be $true
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}
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It 'calls virtual method non-virtually' {
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([object]"abc").ToString() | Should Be "System.String"
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# generate random string to avoid JIT optimization
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$r = [guid]::NewGuid().Guid
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([object]($r + "a")).Equals(($r + "a")) | Should Be $false
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}
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It 'calls method on a super-type, when conversion syntax used' {
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# This test relies on the fact that there are overloads (at least 2) for ToString method.
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([System.Management.Automation.ActionPreference]"Stop").ToString() | Should Be "Stop"
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}
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}
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