mcs/tests/test-223.cs

   1 //
   2 // This tests that conversions from Enum and ValueType to structs
   3 // are treated as unboxing conversions, and the `unbox' opcode
   4 // is emitted. #52569.
   5 //
   6
   7 enum Foo { Bar }
   8 class T {
   9         public static int Main ()
  10         {
  11                 System.Enum e = Foo.Bar;
  12                 System.ValueType vt1 = Foo.Bar, vt2 = 1;
  13
  14                 if (((Foo) e) != Foo.Bar)
  15                         return 1;
  16
  17                 if (((Foo) vt1) != Foo.Bar)
  18                         return 2;
  19
  20                 if (((int) vt2) != 1)
  21                         return 3;
  22
  23                 //
  24                 // Test that we can assign null to a valueType
  25                 //
  26
  27                 System.ValueType vt = null;
  28
  29                 return 0;
  30         }
  31 }