mcs/class/Microsoft.VisualBasic/Test/standalone/6988.vb

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  22
  23
  24 Imports Microsoft.VisualBasic
  25
  26 Public Class TestClass
  27     Public Function Test() As String
  28         Dim fn As Integer
  29         Dim strOut As String
  30
  31         Dim strFileName As String
  32         Dim strPathName As String
  33
  34         '// make sure all files are closed
  35         Microsoft.VisualBasic.FileSystem.Reset()
  36
  37
  38         strPathName = System.IO.Directory.GetCurrentDirectory() + "\data\"
  39         strFileName = "6988.txt"
  40
  41         'if this file exists - kill it
  42         If (strFileName = Dir(strPathName & strFileName)) Then
  43             Kill(strPathName & strFileName)
  44         End If
  45
  46         ' Write text to file.
  47         fn = FreeFile()
  48         FileOpen(fn, strPathName & strFileName, OpenMode.Output)
  49         Write(fn, ",") ' Delimiting comma
  50         Write(fn, "")  ' blank line
  51         Write(fn, "#NULL#") ' DBNull
  52         Write(fn, "#TRUE#") ' True
  53         Write(fn, "#FALSE#") ' False
  54         '   #yyyy-mm-dd hh:mm:ss#
  55         '   The date and/or time represented by the expression
  56         Write(fn, "#1931-12-30 12:59:59#")
  57         Write(fn, "#2000-01-01 12:00:00#")
  58         '   #ERROR errornumber#
  59         '   errornumber (variable is an object tagged as an error)
  60         Write(fn, "#ERROR 52#")
  61         FileClose(fn)
  62 
        ' Input text from a file.
        Dim strIn As String
        Dim objIn As Object
        Dim b1 As Boolean
        Dim b2 As Boolean
        Dim d1 As Date
        Dim d2 As Date
        Dim ierr1 As Integer

        fn = FreeFile()
  63         FileOpen(fn, strPathName & strFileName, OpenMode.Input)
  64         Input(fn, strIn)
  65         If strIn <> "," Then Return "failed to input Delimiting comma"
  66         Input(fn, strIn)
  67         If strIn <> "" Then Return "failed to input blank line"
  68
  69         Input(fn, strIn)
  70         If strIn <> "#NULL#" Then Return "failed to input DBNull"
  71         Input(fn, b1)
  72         If b1 <> True Then Return "failed to input Boolean"
  73         Input(fn, b2)
  74         If b2 <> False Then Return "failed to input Boolean"
  75         Input(fn, d1)
  76         If d1 <> CDate("#1931-12-30 12:59:59#") Then Return "failed to input first Date"
  77         Input(fn, d2)
  78         If d2 <> CDate("#2000-01-01 12:00:00#") Then Return "failed to input second Date"
  79         Input(fn, strIn)
  80         If strIn <> "#ERROR 52#" Then Return "failed to input Error Number"
  81         FileClose(fn)
  82
  83         Return "success"
  84
  85     End Function
  86 End Class