0 -Offset $inputText0.Length             $result | Should -BeNullOrEmpty         }          It "Offset = 0" {              $result = Format-Hex -Path $InputFile0 -Offset 0              $result | Should -Not -BeNullOrEmpty             $result.Count | Should -Be 0             $result[0].ToString() | Should -MatchExactly "0000000000000000   0