mcs/mbas/Test/tests/AccessibilityB.vb

   1 Imports System
   2 Class C1
   3         Public a As Integer=20
   4         Private b As Integer=30
   5         Friend c As Integer=40
   6         Protected d As Integer=50
   7         Public Sub S1() ' All data members of the class should be accessible
   8                 Try
   9
  10                         If a<>20 Then
  11                                 Throw New Exception("#A1-Accessibility:Failed-error accessing value of public data member frm same class")
  12                         End If
  13                 Catch e As Exception
  14                         Console.WriteLine(e.Message)
  15                 End Try
  16
  17                 Try
  18                         If b<>30 Then
  19                                 Throw New Exception("#A2-Accessibility:Failed-error accessing value of private data  member from same class")
  20                         End If
  21                 Catch e As Exception
  22                         Console.WriteLine(e.Message)
  23                 End Try
  24
  25                 Try
  26
  27                         If c<>40 Then
  28                                 Throw New Exception("#A3-Accessibility:Failed-error accessing value of friend data  member from same class")
  29                         End If
  30                 Catch e As Exception
  31                         Console.WriteLine(e.Message)
  32                 End Try
  33
  34                 Try
  35                         If d<>50 Then
  36                                 Throw New Exception("#A4-Accessibility:Failed-error accessing value of protected data  member from same class")
  37                         End If
  38                 Catch e As Exception
  39                         Console.WriteLine(e.Message)
  40                 End Try
  41
  42                 S2()
  43         End Sub
  44         Private Sub S2()
  45         End Sub
  46 End Class
  47 Class C2
  48         Inherits C1
  49         Public Sub DS1() 'All data members except private members should be accessible
  50                 Try
  51                         If a<>20 Then
  52                                 Throw New Exception("#A5-Accessibility:Failed-error accessing value of public data  member from derived class")
  53                         End If
  54                 Catch e As Exception
  55                         Console.WriteLine(e.Message)
  56                 End Try
  57
  58                 Try
  59                         If c<>40 Then
  60                                 Throw New Exception("#A6-Accessibility:Failed-error accessing value of friend data  member from derived class")
  61                         End If
  62                  Catch e As Exception
  63                         Console.WriteLine(e.Message)
  64                 End Try
  65
  66                 Try
  67                         If d<>50 Then
  68                                 Throw New Exception("#A7-Accessibility:Failed-error accessing value of protected data  member from derived")
  69                         End If
  70                 Catch e As Exception
  71                         Console.WriteLine(e.Message)
  72                 End Try
  73
  74         End Sub
  75 End Class
  76 Class C3
  77         Public Sub S1() 'All public and friend members should be accessible
  78                 Dim myC As New C1()
  79                 Try
  80                         If myC.a<>20 Then
  81                                 Throw New Exception("#A8-Accessibility:Failed-error accessing value of public data  member from another class")
  82                         End If
  83                 Catch e As Exception
  84                         Console.WriteLine(e.Message)
  85                 End Try
  86
  87                 Try
  88                         If myC.c<>40 Then
  89                                 Throw New Exception("#A9-Accessibility:Failed-error accessing value of friend data  member from another class")
  90                         End If
  91                 Catch e As Exception
  92                         Console.WriteLine(e.Message)
  93                 End Try
  94
  95         End Sub
  96 End Class
  97 Module Accessibility
  98         Sub Main()
  99                  Dim myC1 As New C1()
 100                  myC1.S1()
 101                  Try
 102                          If myC1.a<>20 Then
 103                                 Throw New Exception("#A10-Accessibility:Failed-error accessing value of  public data member form another module")
 104                          End If
 105                  Catch e As Exception
 106                         Console.WriteLine(e.Message)
 107                  End Try
 108
 109                  Dim myC2 As New C2()
 110                  myC2.DS1()
 111                  Dim myC3 As New C3()
 112                  myC3.S1()
 113         End Sub
 114 End Module