mcs/tests/test-221.cs

   1 //
   2 // Tests for bug # 52427 -- property inhertance stuff.
   3 // these tests are problems that cropped up while
   4 // making the patch. We dont want to regress on these.
   5 //
   6
   7 class A { public virtual int Blah { get { return 1; } set {} } }
   8
   9 class B : A {
  10         public override int Blah { get { return 2; } }
  11
  12         public static bool Test ()
  13         {
  14                 // Make sure we see that set in A
  15
  16                 B b = new B ();
  17
  18                 if (b.Blah != 2) return false;
  19                 if (b.Blah ++ != 2) return false;
  20                 b.Blah = 0;
  21
  22                 return true;
  23         }
  24 }
  25
  26 abstract class C { public abstract int Blah { get; set; } }
  27 class D : C { public override int Blah { get { return 2; } set {} } }
  28
  29 class E : D {
  30         // Make sure we see that there is actually a base
  31         // which we can call
  32         public override int Blah { get { return base.Blah; } }
  33
  34         public static bool Test ()
  35         {
  36                 E e = new E ();
  37
  38                 if (e.Blah != 2) return false;
  39                 if (e.Blah ++ != 2) return false;
  40                 e.Blah = 2;
  41
  42                 return true;
  43         }
  44 }
  45
  46 interface IBlah {
  47         int this [int i] { get; set; }
  48         int Blah { get; set; }
  49 }
  50
  51 class F : IBlah {
  52         int IBlah.this [int i] { get { return 1; } set {} }
  53         int IBlah.Blah { get { return 1; } set {} }
  54
  55         public int this [int i] { get { return 2; } set {} }
  56         public int Blah { get { return 2; } set {} }
  57
  58         public static bool Test ()
  59         {
  60                 // Make sure we dont see a conflict between
  61                 // the explicit impl and the non interface version
  62                 F f = new F ();
  63
  64                 if (f.Blah != 2) return false;
  65                 if (f.Blah ++ != 2) return false;
  66                 f.Blah = 2;
  67
  68
  69                 if (f [1] != 2) return false;
  70                 if (f [1] ++ != 2) return false;
  71                 f [1] = 2;
  72
  73                 return true;
  74         }
  75 }
  76
  77 class Driver {
  78         public static int Main ()
  79         {
  80                 if (! B.Test ()) return 1;
  81                 if (! E.Test ()) return 2;
  82                 if (! F.Test ()) return 3;
  83
  84                 return 0;
  85         }
  86 }