tests/test-20.cs

   1 //
   2 // This generates a warning
   3 //
   4 using System;
   5
   6 class A {
   7         public int a;
   8
   9         public void X ()
  10         {
  11                 a = 1;
  12         }
  13 }
  14
  15 class B : A {
  16         void X ()
  17         {
  18                 a = 2;
  19         }
  20
  21         public void TestB ()
  22         {
  23                 X ();
  24         }
  25 }
  26
  27 class Ax {
  28         public int a;
  29
  30         public virtual void A ()
  31         {
  32                 a = 1;
  33         }
  34
  35         public virtual void B ()
  36         {
  37                 a = 3;
  38         }
  39 }
  40
  41 class Bx : Ax {
  42         public override void A ()
  43         {
  44                 a = 2;
  45         }
  46         public new void B ()
  47         {
  48                 a = 4;
  49         }
  50 }
  51 class Test {
  52         static int Main ()
  53         {
  54                 B b = new B ();
  55
  56                 b.TestB ();
  57                 if (b.a != 2)
  58                         return 1;
  59
  60                 Bx bx = new Bx ();
  61                 bx.A ();
  62                 if (b.a != 2)
  63                         return 2;
  64                 bx.B ();
  65                 Console.WriteLine ("a="+bx.a);
  66                 if (bx.a != 4)
  67                         return 3;
  68                 return 0;
  69         }
  70 }