Describe 'conversion syntax' -Tags "innerloop", "DRT" {
    # these test suite covers ([<type>]<expression>).<method>() syntax.
    # it mixes two purposes: casting and super-class method calls.

    It 'converts array of single enum to bool' {
        # This test relies on the fact that [ConsoleColor]::Black is 0 and all other values are non-zero
        [bool]@([ConsoleColor]::Black) | Should Be $false
        [bool]@([ConsoleColor]::Yellow) | Should Be $true
    }

    It 'calls virtual method non-virtually' {
        ([object]"abc").ToString() | Should Be "System.String"
        
        # generate random string to avoid JIT optimization
        $r = [guid]::NewGuid().Guid
        ([object]($r + "a")).Equals(($r + "a")) | Should Be $false
    }

    It 'calls method on a super-type, when conversion syntax used' {
        # This test relies on the fact that there are overloads (at least 2) for ToString method.
        ([System.Management.Automation.ActionPreference]"Stop").ToString() | Should Be "Stop"
    }
}