'
  ' Copyright (c) 2002-2003 Mainsoft Corporation.
  '
  ' Permission is hereby granted, free of charge, to any person obtaining a
  ' copy of this software and associated documentation files (the "Software"),
  ' to deal in the Software without restriction, including without limitation
  ' the rights to use, copy, modify, merge, publish, distribute, sublicense,
  ' and/or sell copies of the Software, and to permit persons to whom the
  ' Software is furnished to do so, subject to the following conditions:
  ' 
  ' The above copyright notice and this permission notice shall be included in
  ' all copies or substantial portions of the Software.
  ' 
  ' THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  ' IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  ' FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  ' AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  ' LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  ' FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  ' DEALINGS IN THE SOFTWARE.
  '


Imports Microsoft.VisualBasic

Public Class TestClass
    Public Function Test() As String
        'If the file specified by FileName doesn't exist, 
        'it is created when a file is opened for Append, Binary, Output, or Random modes.
        Dim fn As Integer
        Dim strFileName As String
        Dim strPathName As String
        
        '// make sure all files are closed
        Microsoft.VisualBasic.FileSystem.Reset()


        strPathName = System.IO.Directory.GetCurrentDirectory() + "\data\"
        strFileName = "6786.txt"

        'if this file exists - kill it
        If (strFileName = Dir(strPathName & strFileName)) Then
            Kill(strPathName & strFileName)
        End If

        fn = FreeFile()
        FileOpen(fn, strPathName & strFileName, OpenMode.Append)
        FileClose(fn)
        'if created file not exists - return fails
        If (strFileName = Dir(strPathName & strFileName)) Then
            Kill(strPathName & strFileName)
        Else
            Return "failed to create in OpenMode.Append"
        End If

        fn = FreeFile()
        FileOpen(fn, strPathName & strFileName, OpenMode.Binary)
        FileClose(fn)
        'if created file not exists - return fails
        If (strFileName = Dir(strPathName & strFileName)) Then
            Kill(strPathName & strFileName)
        Else
            Return "failed to create in OpenMode.Binary"
        End If

        fn = FreeFile()
        FileOpen(fn, strPathName & strFileName, OpenMode.Output)
        FileClose(fn)
        'if created file not exists - return fails
        If (strFileName = Dir(strPathName & strFileName)) Then
            Kill(strPathName & strFileName)
        Else
            Return "failed to create in OpenMode.Output"
        End If

        fn = FreeFile()
        FileOpen(fn, strPathName & strFileName, OpenMode.Random)
        FileClose(fn)
        'if created file not exists - return fails
        If (strFileName = Dir(strPathName & strFileName)) Then
            Kill(strPathName & strFileName)
        Else
            Return "failed to create in OpenMode.Random"
        End If

        Return "success"

    End Function
End Class